Pharmaceutical Calculations (GREEN)
A 35-mL aliquot was obtained from a mixture of 98% unknown solution. If half the sample is diluted to 100 mL, what is its final concentration? a. 17.15% b. 2.94% c. 280.0% d. 34.3%
A
A sterile solution of potassium chloride ( mol wt 74.5) contains 2 mEq/ mL. If a 20-ml ampoule of the solution is diluted to 1 liter, what is the percentage strength of the resulting solution? a. 0.298 b. 0.124 c. 1.298 d. .3241
A
Acetazolamide sodium is available in 500-mg vials to be reconstituted to 5 mL with sterile water for injection prior to use. The dose of the drug for children is 5mg/ kg of body weight. How many mL of the injection should be administered to a child weighing 25 lbs? a. 0.57 mL b. 0.52 mL c. 0.50 mL d. 0.54 mL
A
Ammonium chloride (NH4Cl, mol wt 53.5) is to be used as a urinary acidifier with a dose of 150 mEq. How many 500 mg tablets should be administered? a. 16 tablets b. 20 tablets c. 15 tablets d. 13 tablets
A
An antacid tablet contains 80 mg off dried aluminum hydroxide gel and 20 g of magnesium trisilicate. How many kilograms of aluminum hydroxide gel are required to manufacture 250000 bottles of the product, each containing 100 tablets? a. 2000 Kg b. 20,000 Kg c. 200 Kg d. 8000 Kg
A
An antihypertensive drug lists as P180.00 per dozen tablets, less a discount of 33 1/3 % for a purchase of 100 dozens, plus an additional promotional discount of 10%. Calculate the net cost per unit. a. P9.00 b. P9.15 c. P9.25 d. P9.50
A
How many mL of a 0.5% gentian violet stock solution are needed to prepare one gallon of a 1:500 solution? a. 151.4 b. 15.14 c. 9.46 d. 94.6
A
How many mL of a 3% solution can be made from 27g of ephedrine sulfate? a. 900 mL b. 930 mL c. 850 mL d. 880 mL
A
How many mL of a 5% (w/v) solution of lidocaine hydrochloride should be used in preparing 500 mL of a solution containing 25 mg of lidocaine hydrochloride per mL of solution? a. 250 mL b. 260 mL c. 240 mL d. 270 mL
A
How many mg of magnesium sulfate (MW 120) should be added to an IV solution to provide 5 mEq of Mg+2 per liter? a. 300 mg b. 210 mg c. 307 mg d. 200 mg
A
How many milligrams of gentian violet should be used in preparing the following solution? Rx Gentian violet (1:10,000) 50mL Signa: Instill as directed. a. 50 b. 0.05 c. 0.50 d. 500
A
How many milliliters of a 2% (w/v) solution of lidocaine hydrochloride should be used in preparing 500 mL of a solution containing 4 mg of lidocaine hydrochloride per milliliter of solution? a. 100 mL b. 150 mL c. 250 mL d. 120 mL
A
How many milliliters of resorcinol monoacetate should be used to prepare 1 pint of a 15% (v/v) lotion? a. 71 mL b. 65 mL c. 76 mL d. 69 mL
A
How many milliliters of two liquids with specific gravities of 0.950 and 0.875 should be used to prepare 1500 mL of a liquid having a specific gravity of 0.925? a. 1000 mL (sp gr 0.950) c. 500 mL (sp gr 0.950) 500 mL (sp gr 0.875) 1000 mL (sp gr 0.875) b. 2250 mL (sp gr 0.950) d. 1125 mL (sp gr 0.950) 1125 mL (sp gr 0.875) 2250 mL (spgr 0.875)
A
How many proof gallons are represented y 54 wine gallons of alcoholic beverage with a proof strength of 50? a. 54 b. 27 c. 108 d. 100
A
How much water should be added to 2500mL of 83% (v/v) alcohol to prepare 50% (v/v) alcohol? a. 1650 b. 1660 c. 1550 d. 1560
A
How much water should be mixed with 250 grams of 93% solution to make a 10% solution? a. 2 L b. 20 mL c. 9.2 mL d. 200 mL
A
If 10 mg of a drug are added to a 500 mL large-volume parenteral fluid, what should be the rate of flow, in mL/hour, to deliver 1 mg of drug per hour? a. 50 mL/hour b. 20 mL/hour c. 500 mL/hour d. 5 mL/hour
A
If 500 mL of mineral oil which has a specific gravity of 0.87, is used to prepare 2 pints of mineral oil emulsion, how many g of the oil would be used to prepare 1 gallon of the emulsion? a. 1740.4 b. 1430.4 c. 1750.4 d. 1741.4
A
If 75 pounds of chemical costs P250, what will be the cost of 95 pounds? a. P316.67 b. P197.37 c. P28.50 d. P400
A
If 800 g of a 5% coal tar ointment is mixed with 1200 g of a 10% coal tar ointment, what is the concentration of coal tar in the finished product? a. 8% b. 8.5% c. 9% d. 9.5%
A
If one tablespoonful is prescribed as the dose, approximately how many doses will be contained in one pint of the medicine? a. 32 b. 16 c. 22 d. 10
A
If the adult dose of a drug is 90 mg, what should be the dose for a child with a body surface area of 0.60 sq. m.? a. 31.21 mg b. 54 mg c. 150 mg d. 540 mg
A
If the cost of human growth hormone is P40/mg q 4 h six times daily. How many will a 180-lb patient receive daily? a. 12 mg b. 164 mg c. 650 mg d. 980 mg
A
How many mL of methyl salicylate should be used to prepare 1 pt of a 5% (v/v) solution? a. 24.10 mL b. 23.60 mL c. 23.70 mL d. 24.50 mL
B
How many mL of water should be added to 300 mL of 1:750 (w/v) solution of benzalkonium chloride to make a 1:2500 (w/v) solution? a. 997.5 mL b. 700 mL c. 90.23 mL d. 60000 mL
B
How many milliequivalents are there in 15 mL of a 50% MgSO4 solution? (mol. Wt. 246) a. 6.097 mEq b. 60.97 mEq c. 6.96 mEq d. 69.7 mEq
B
How many milligrams of a drug will be needed to prepare 74 dosage forms if each is to contain 1/10 grain? a. 58 mg b. 480 mg c. 4800 mg d. 4.8mg
B
How many milliliters of a 3% (w/v) solution of ammonium chloride (mol wt 53.5) should be administered intravenously to provide 50 mEq? a. 99.2 b. 89.2 c. 69.2 d. 79.2
B
How many proof gallons are contained in 500 wine gallons of Diluted Alcohol NF that contain 49% (v/v) of pure alcohol? a. 480 b. 490 c. 470 d. 489
B
How many teaspoonfuls are there in 3 tablespoonfuls? a. 6 b. 9 c. 12 d. none of the above
B
How much cod liver oil is necessary to make 2500 capsules, each containing 0.33 mL? a. 7.57 mL b. 825 mL c. 757 mL d. 0.0012 mL
B
If 150 mL of polyethylene glycol 400 weighs 74.1 g, what is its specific gravity? a. 0.88 b. 0.494 c. 2.35 d. 1.3
B
If 400 ml of a 20% (w/v) solution are diluted to 2 liters, what will be the percentage strength (w/v)? a. 8% b. 4% c. 5% d. 2%
B
If 5 fluidounce of a 1:1000 (w/v) solution of sterile alcohol diluted to 2 pts what will be the ratio strength w/v of the solution? a. 1:3200 b. 1:6400 c. 1:8000 d. 1:6300
B
If 50 tablets contain 0.625 g of an active ingredient, how many tablets can e prepared from 31.25 g of the ingredient? a. 1000 tablets b. 2500 tablets c. 3030 tablets d. none of the above
B
A pharmacist adds 120 mL of aluminum acetate solution USP containing 5% aluminum acetate to one liter of sterile water for irrigation. What is the % w/v concentration of aluminum acetate present? a. 0.5% b. 0.54% c. 0.6% d. 1.07% e. 1.20%
B
Equivalent to 1:2500: a. 0.4% b. 0.04% c. 0.01%
B
Express in percentage the fluoride concentration in drinking water given in 0.6 ppm. a. 0.06% b. 0.00006% c. 0.0006% d. 0.006%
B
Five pints of HCl weigh 2.79 kg. Calculate its specific gravity. a. 0.810 b. 1.180 c. 2.180 d. 3.180
B
Hepatitis B immune globulin is preserved with 1:10,000 (w/v) of thimerosal. If the dose of the injection is 0.06 mL/Kg of body weight, how many micrograms of thimerosal would be contained in the dose for a 150-lb patient? a. 400 mcg b. 409 mcg c. 415 mcg d. 450 mcg
B
How many 1-fluidounce bottles of lagundi syrup can e prepared form 5 gallons of the syrup? a. 740 b. 640 c. 639 d. 540
B
How many 5 cc doses may be obtained from 1 L of a liquid? a. 20 b. 200 c. 2000 d. 2
B
How many fl.oz. bottles of lagundi syrup can be prepared from 5 gallons of the syrup? a. 639 b. 640 c. 540 d. 740
B
How many gallons of 95% (v/v) alcohol would contain 91.2 proof gallons? a. 137 b. 48 c. 173.28 d. 52 e. none
B
How many grams of 10% (w/w) ammonia solution can be made from 1800g of 28% (w/w) strong ammonia solution? a. 6428.57 g b. 5050 g c. 50400 g d. 342.86 g
B
How many grams of a drug substance are required to make 160 mL of a solution, each tsp of which contains 2 mg of the drug substance? a. 64 g b. 0.064 g c. 0.015 g d. 0.64 g
B
How many grams of a drug substance should be dissolved in 250 mL of water to make a 5% (w/w) solution? a. 9.6 g b. 13.16 g c. 60 g d. 10 g
B
How many grams of dextrose are required to prepare 4500 L of a 5% solution? a. 80,000 g b. 225,000g c. 4 f3 d. 8 f3
B
How many grams of ethyl estradiol are needed to prepare 2,500 tablets, each containing 50 mcg of the medicinal substance? a. 1.25 g b. 12.5 g c. 0.125 g d. 125 g
B
How many grams of glacial acetic acid (99.9% w/w) must be added to 1 galloon of purified water to obtain a solution containing 0.25% acetic acid? a. 1.2 g b. 9.5 g c. 12 g
B
How many grams of lactose should be added to 80 g belladonna extract assaying 2.5% (w/w) of alkaloids to reduce its strength to 1.4%? a. 52.5 b. 62.8 c. 42.8 d. 60.2
B
How many grams of silver nitrate should be used in preparing 500 mL of a solution such that 10 mL diluted to a liter will yield 1:5000 solution? a. 5 b. 10 c. 15 d. 20
B
How many grams of sucrose are required to prepare 2000 mL of a 4% solution? a. 50 g b. 80 g c. 90 g d. 100 g
B
How many grams of water are needed to make 300 g of an 8% w/w solution of lime water? a. 275 g b. 276 g c. 300 g d. 277 g
B
How many grams of zinc oxide should be added to 3,400 g of a 10% zinc oxide ointment to prepare a product containing 15% of zinc oxide? a. 150 g b. 200 g c. 250 g d. 210 g dipole
B
How many liters of 2% (w/v) iodine tincture can be made from 123 g of iodine? a. 6150 L b. 6.15 L c. 61.15 L d. none of the given
B
How many liters of a mouthwash can be prepared from 100 mL of cinnamon flavor if its concentration is to be 0.5% (v/v)? a. 10 L b. 20 L c. 15 L d. 18 L
B
How many mL of 1:16 solution of sodium hypochlorite should be used in preparing 5000 mL of a 0.5% solution of sodium hypochlorite for irrigation? a. 200 mL b. 400 mL c. 600 mL d. 800 mL e. 100 mL
B
How many mL of 1:50 stock solution of ephedrine sulfate would be needed to prepare 30 mL of the ff. prescription? Rx Ephedrine sulfate 0.25% Normal saline solution q.s. 10 mL a. 1.25 b. 3.75 c. 4 d. 7.5 e. 12.5
B
How many mL of 1:50 stock solution of ephedrine sulfate would be needed to prepare 30 mL of the prescription? Rx Ephedrine sulfate 0.25% Normal saline q.s. 10 Ml a. 1.25 b. 3.75 c. 4 d. 7.5 e. 12.5
B
How many mL of a 1:400 (w/v) stock solution should be used to make 4 L of a 1:2000 (w/v) solution? a. 1000 mL b. 800 mL c. 1600 mL d. 200 mL
B
How many mL of a syrup having asp gr of 1.350 should be mixed with 3000mL of a syrup having a sp gr of 1.250 to obtain a product having a sp gr of 1.310? a. 3500mL b. 4500mL c. 4600mL d. 5500mL
B
Calculate the sodium (Na) content, in terms of mEq, of 1 g of ampicillin sodium (C16H18N3NaO4S, mol wt 371) a. 2.5 mEq b. 2.8 mEq c. 2.7 mEq d. 3 mEq
C
Change 1/10% to a common fraction. a. 1/100 b. 1/10 c. 1/1000 d. 1/.01
C
Concentration of a weak solution of liquid preparation is expressed in terms of: a. proof strength b. percentage strength c. ratio strength d. mEq
C
Concentrations of electrolytes in solution are expressed in terms of: a. g% b. g/mL c. mEq d. millimole
C
Convert 100°C to °F. a. 221°F b. 312°F c. 212°F d. 215°F
C
Convert 104°F to centigrade. a. 20.0°C b. 30.0°C c. 40.0°C d. 50.0°C
C
Express 0.2% as a ratio strength. a. 1:5000 b. 1:50 c. 1:500 d. 1:5
C
Express 1:2000 as a percentage strength a. 0.5% b. 5% c. 0.05% d. 0.0005%
C
How many fluidounces of a 7% solution can be made from 142 grains of potassium iodide? a. 4.6 b. 5 c. 4.5 d. 4.4
C
How many gallons of water are needed to dilute 1 gallon of 6^ conc. Of antiseptic solution to make 2% final concentration? a. 1 gallon b. 3 gallons c. 2 gallons d. 1.5 gallons
C
How many grams of a 1:10 trituration of atropine sulfate are required to obtain 25 mg of atropine sulfate? a. 250 b. 25 c. 0.25 d. 2.5
C
How many mL of glycerin would be needed to prepare 1 lb of an ointment containing 5% w/w glycerin? The density of glycerin is 1.25 g/mL. a. 1.2 b. 22.7 c. 18.2 d. 24
C
How many mg are there in 3/8 grains? a. 23 mg b. 23.5 mg c. 24 mg d. 24.5 mg
C
How many milligrams of a certified red color should be used in preparing 5 L of a 0.1% solution? a. 0.005 g b. 0.5 g c. 5 g d. 0.05 g
C
How many milliliter of U-100 insulin should be used to obtain 50 units of insulin? a. 5 mL b. 50 mL c. 0.5 mL d. 500 mL
C
How many milliliters of a 23.5% (w/v) concentrate of sodium chloride solution should be used in preparing 650 mL of a stock solution such that 30 mL diluted to a liter will yield a 1:5000 solution? a. 0.2 mL b. 4.33 mL c. 18.44 mL d. 11.75 mL
C
How many milliliters of a syrup containing 85% (w/v) of sucrose should be mixed with 150mL of a syrup containing 60% (w/v) of sucrose to make a syrup containing 80% (w/v) of sucrose? a. 500 mL b. 550 mL c. 600 mL d. 650 mL
C
How many milliliters of water must be added to 250 mL of a 25% (w/v) stock solution of sodium chloride to prepare a 0.9% (w/v) sodium chloride solution? a. 6,5100 mL b. 6,600 mL c. 6,694 mL d. 6,490 mL
C
How many proof gallons are contained in 3 wine gallons of a 50% (v/v) alcohol? a. 5 proof gallons b. 4 proof gallons c. 3 proof gallons d. 2 proof gallons
C
If 10 mL f a nitroglycerin injection (5mg of nitroglycerin per milliliter) are added to make a liter of intravenous fluid, what is the percentage (w/v) of nitroglycerin in the final product? a. 0.025% b. 0.05% c. 0.005% d. 0.0005%
C
If 1000 mL of syrup with a specific gravity of 1.313 contains 850 g of sucrose. What is the % (w/w)? a. 6.5% b. 65.5% c. 64.74% d. 64%
C
If 250 mL of a 1:800 (v/v) solution are diluted to 1000 mL, what will be the ratio strength (v/v)? a. 1:320 b. 1:3000 c. 1: 3,200 d. 1: 32,000 DNA
C
If 250 units of an antibiotic weighs 1 mg, how many units are in 25 mg? a. 6,256 b. 6,255 c. 6,250 d. 6,500
C
If 800g of a 5% coal tar ointment is mixed with 1200 g of a 10% coal tar ointment, what is the concentration of coal tar in the finished product? a. 8.5% b. 9.5% c. 8% d. 9%
C
If a cough syrup contains 0.24 g of codeine phosphate in 120 mL, how many milligrams are contained in each tsp dose? a. 20 mg b. 15 mg c. 10 mg d. 5 mg
C
If a patient's blood urea nitrogen is determined to be 15 mg/ dL, what is the equivalent percent concentration? a. 0.015 b. 1.5 c. 15 d. 0.15
C
If a pharmacist dissolves the contents of 8 capsules, each containing 250mg of clindamycin hydrochloride, into a sufficient amount of Ionex Astringent to prepare 120 mL of solution, what is the percentage strength (w/v) of clindamycin hydrochloride in the prescription? a. 1% b. 1.5% c. 1.67% d. 2%
C
If ampules of amyl nitrate inhalant each contain 0.3 mL of amyl nitrate, having a sp gr of 0.87, how many grams of the drug would be used in preparing 4000 ampules? a. 4401 g b. 4014 g c. 1044 g d. 1404 g e. 1440 g
C
If the ratio 1:250 is expressed as %, the result is: a. 0.004% b. 0.04% c. 0.4% d. 0.004% e. 0.05%
C
If we divide 5L into 10 equal parts, what is the volume of 1 part? a. 50 mL b. 0.005 L c. 0.500 L d. 0.05 L
C
In preparing 250 mL of a certain lotion, a pharmacist used 16 mL of liquefied phenol. What was the percentage of liquefied phenol in the lotion? a. 15.63% b. 0.064% c. 6.4% d. none
C
In using isoproterenol hydrochloride solution (1:5000 w/v), 1 mL of the solution is diluted to 10 mL with sodium chloride injection prior to IV administration. What is he percentage concentration of the diluted solution? a. 0.001 b. 0.005 c. 0.002 d. 0.008
C
In what proportion should 10% and 2% coal tar ointments be mixed to prepare a 5% ointment? a. 3:7 b. 2:5 c 3:5 d. 2:3
C
Lanoxin pediatric elixir contains 0.05 mg of digoxin / mL. How many micrograms (mcg) are there in 3 mL of the elixir? a. 1.5 b. 0.0015 c. 150 d. 15 e. NOTA
C
Using a vial containing 200,000 units of Pen G sodium, how many mL of solvent should be added to the dry powder in preparing a solution having a concentration of 25, 000 units/mL? a. 5 mL b. 10 mL c. 8 mL d. 12 mL e. 15 mL
C
What is the molarity of a solution that is prepared by dissolving 10 g of KCl (mol wt 74.5) in enough water to make 500 mL of solution? a. 0.288 b. 0.258 c. 0.268 d. 0.168
C
What is the percent concentration of cholesterol if a patient's blood serum level is determined to be 260mg%? a. 26% b. 2.6% c. 0.26% d. 0.26% e. 260%
C
What is the percent concentration of cholesterol in a patient's blood serum if the cholesterol level is determined to be 260 mg%? a. 2.6% b. 26% c. 0.26% d. 0.026%
C
What is the percentage of alcohol in a mixture of 400 mL of 95% v/v alcohol, 100 mL of 70% v/v alcohol and 0.6 L of 50% v/v alcohol? a. 75% b. 7.5% c. 68% d. 69% e. 72.7%
C
q.s. a. pint b. right eye c. a sufficient quantity d. when required
C
If a physician prescribed 4 grams of aspirin to be taken by a patient daily, about how many 5-grain tablets should the patient take each day? a. 10 tablets b. 12 tablets c. 15 tablets d. 8 tablets
B
If a physician prescribed Keflex, 250 mg q.i.d. x 10 days, how many milliliters of Keflex suspension containing 250 mg per 5 mL should be dispensed? a. 250 mL b. 200 mL c. 150 mL d. 100 mL
B
If a serum sample is determined to contain 270 mg/dL of cholesterol, what is the concentration of cholesterol (mol wt 386) in terms of millimoles per liter? a. 6.5 mmol/L b. 6.9 mmol/L c. 69.9 mmol/L d. 5.66 mmol/L
B
If an intravenous dose of mannitol is 1.5% (w/v) sodium chloride solution can be made from 1 lb of sodium chloride? a. 50,444 mL b. 30,000 mL c. 50,400 mL d. 1,000 mL
B
If some moist crude drug contains 7.2% (w/w) of active ingredient and 21.6% of water, what will be the percentage (w/w) of active ingredient after the drug is dried? a. 7.2 b. 9.2 c. 11.2 d. 13.2
B
If the dose of the drug is 100 mg how many doses are there in 100 mg? a. 100 b. 1000 c. 10000 d. 100000 e. 1000000
B
If the specific gravity of alcohol is 0.812, what is the weight in kilograms of 10 L? a. 2.81 kg b. 8.12 kg c. 2.18 kg d. 1.82 kg e. 8.21 kg
B
The normal body temperature is 37°C. Express this in °Fahrenheit. a. 96.8°F b. 98.6°F c. 28.3°F d. 100°F
B
The normal range of specific gravity of urine is about 1.003 to 1.030. Using 5-mL urine samples, what would be the difference in weight, in mg, between these extremes? a. 145 mg b. 135 mg c. 136 mg d. 155 mg
B
The term expresses the number of milligrams of a substance in 100 mL of liquid: a. milligram percent c. both b. mg %
B
What does 0.5mg/ 500 g capsule mean when expressed in %w/w? a. 0.5% b. 0.1% c. 5% d. 1% e. none
B
What is the dose of a drug for a 6-year old child if the average adult dose is 1 ½ grains? a. ½ g b. ½ gr c. ½ mg d. ½ mcg
B
What is the specific gravity of a liquid having a specific volume of 0.825? a. 0.825 b. 1.212 c. none of the choices
B
What is weight of 60 mL of oil whose density is 0.9624 g/mL? a. 5.770 g b. 57.7 g c. 6.0 g d. 0.577 g
B
White ointment has a label claim of 5 g/ 1000g. When expressed in % w/w, this is equal to: a. 5% b. 0.5% c. 0.05% d. 50% e. 0.005%
B
You are directed to weigh 10 grams of a substance so as to limit the error to 0.2%. Calculate the maximum potential error, in terms of grams, that you would not be permitted to exceed. a. 0.05 g b. 0.02 g c. 0.002 g d. 0.2 g
B
A pharmacist purchased 5 gallons of alcohol. At different times, 2pints, 2 gallons, 8 fluidounces, and ½ gallon were used by the pharmacist. What volume, in fluidounces, remained? a. 256 b. 264 c. 280 d. 296
C
A physician places a patient on a daily dose of 48 units of U-80 insulin. How many ml should the patient inject each day? a. 0.4 b. 0.5 c. 0.6 d. 0.25
C
A physician requests that an iso-alcoholic elixir containing 30.0% alcohol be prepared. How much low alcoholic elixir (10.0% of alcohol) and high alcoholic elixir (78% of alcohol) must be mixed to prepare 1 gallon of iso-alcoholic elixir? a. 1481 mL of low and 953 mL of high b. 1520 mL of low and 953 mL of high c. 1407.35 mL of low and 3377.64 mL of high d. 2925 mL of low and 1450 mL of high
C
A prescription calls for 0.3 g of phosphoric acid with a sp gr of 1.71. How many mL should be used in compounding the prescription? a. 0..5 b. 5.7 c. 0.18 d. 3
C
A prescription calls for 0.3 g of phosphoric acid with a specific gravity of 1.71. How many mL should be used in compounding the prescription? a. 0.5 mL b. 0.7 mL c. 0.18 mL d. 0.3 mL
C
A sunscreen lotion contains 5 g of methyl salicylate (sp gr 1.045) per 1000 mL. How many milliliters of methyl salicylate should be used in preparing 1 gallon of the lotion? a. 189.25 mL b. 197.77 mL c. 181.10 mL d. 190 mL
C
Admixture with solutions or mixture of greater strength or by evaporation of the diluent: a. diluted b. saturated c. concentrated d. none
C
An elixir is to contain 250 mcg of an alkaloid in each teaspoon dose. How many g of the alkaloid will be required to prepare 5L of the elixir? a. 25 g b. 2.5 g c. 0.25 g d. 5 g e. 0.5 g
C
A patient is determined to have 0.8 mg of glucose in each mL of blood. Express the concentration of glucose in the blood as mg%. a. 800 mg% b. 0.8 mg% c. 8 mg% d. 80 mg%
D
A patient is t receive 260 mcg of a drug 4 times a day for 14 days. How many 1/250 grain tablets must be dispensed? a. 66 b. 58 c. 46 d. 56
D
A pharmacist attempts to weigh 80 mg of sodium carbonate on a balance having a sensitivity requirement of 4 mg. Calculate the maximum potential error in terms of percentage. a. 2% b. 3% c. 4% d. 5%
D
A physician orders meprobamate 0.2 g. How much is to be administered if the dose on hand is 400 mg in each tablet? a. Do not dispense c. give 1 tablet b. Give 2 tablets d. give 1/2 tablet
D
If glycerin (sp gr 1.25) costs P131.00 per pint, how much would 10 lbs cost? a. 105.90 b. 1105.90 c. 1025.90 d. 1005.90
D
In what proportion should alcohol of 95% and 50% strengths be mixed to make 70% alcohol? a. 3 parts and 5 parts c. 5 parts and 4 parts b. 5 parts and 5 parts d. 4 parts and 5 parts
D
Methotrexate sodium in action contains 25 mg of methotrexate sodium per mL. Express the % concentration of methotrexate in the injection. a. 0.25% b. 25% c. 0.025% d. 2.5% e. 0.0025%
D
You have a stock solution of 50% sodium nitrate and you were asked to prepare 300 mL of a 10% solution. How many mL are needed? a. 20 b. 15 c. 30 d. 60
D
q.i.d. means: a. once a day b. twice a day c. three times a day d. four times a day
D
2 gr of a drug is equivalent to: a. 129.6 mg b. 127.4 mg c. 132.1 mg d. 200 mg
A
90% of alcohol is how many proof? a. 180 proof b. 45 proof c. 135 proof d. none
A
1 milliliter is 1,000x greater than: a. microliter b. picoliter c. nanoliter d. liter
A
1.5 mg/ 5 mL of echothipate acetonide ointment is also equivalent to: a. 0.3% b. 30% c. 0.003% d. 0.03% e. none
A
10 pints of a 5% solution are diluted with 30 pints of diluent, what is the percentage strength of the dilution? a. 1.25% b. 1.67% c. 60% d. 15%
A
160 proof strength alcohol is equivalent to: a. 80% b. 320% c. 100% d. all of the above
A
A Ferrous Sulfate syrup contains 220 mg of FeSO4.7H2O per teaspoon dose. How many milligrams of elemental iron are present in the dose? (mol wt FeSO4.7H2O = 278; at. Wt. of Fe = 55.9, s = 32.1, O = 16, H = 1.0) a. 44 mg b. 50 mg c. 88 mg d. 100 mg
A
A commercial package contains thirty-six 200-mg tablets of ibuprofen. How many kilograms of ibuprofen were used in the manufacture of 1000 packages of product? a. 7.2 Kg b. 5 Kg c. 7.8 Kg d. 6.9 Kg
A
A cupric chloride injection (0.4 mg/mL) is used as an additive to IV solutions for TPN. What is the final ratio strength of copper in the TPN solution if 2.5 mL of the injection is added to enough of the IV solution to prepare 500mL? a. 1:500 b. 1:5000 c. 1:500000 d. 1:50000
A
A glucose meter shows that a patient's blood contains 125mg% of glucose. Express this value as mg/mL. a. 1.25 mg/mL b. 12.5 mg/mL c. 125 mg/mL d. 0.125 mg/mL
A
A manufacturing pharmacist received a drawback of P1500 on the alcohol that was used during a certain period. If the drawback on alcohol is P12.50 per proof gallon, how many wine gallons of95% alcohol were used during the period? a. 63.2 b. 60 c. 58 d. 65
A
A patient weighing 8 lbs is prescribed 2mEq/kg/day of potassium chloride (mol wt 74.5). How many mg of potassium chloride will be administered to the patient per day? a. 541.8 b. 538 c. 436.4 d. 648
A
A perfume oil has a specific gravity of 0.960 and costs P776.25 per kg. How much would 5 fluidounces cost? a. P110.15 b. P111.15 c. P109.15 d. P 180.15
A
A pharmacist aide adds 76 mL of strong iodine solution USP (5.0%) to 1 L of sterile water for irrigation. What is the % w/v iodine present? a. 0.35% b. 0.53% c. 0.60% d. 0.375%
A
A pharmacist buys 20,000 tablets for P4000.00 with discounts of16% and 2%. At what price per 10 must the tablets be sold to yield a gross profit of 40% on the selling price? a. P27.50 b. P25.50 c. P27.00 d. P28.00
A
A pharmacist had, on the first month, 54 gallons of 95% alcohol. During the month, 35 gallons were used in the manufacture of pharmaceutical products. How many proof gallons of alcohol were on hand at the end of the month? a. 36.1 b. 36.5 c. 36.4 d. 36.3
A
A pharmacy aide adds 75 mL of strong iodine solution USP (t.o%w/v) to 1 L of sterile water for irrigation. What is the %w/v of iodine present? a. 0.35% b. 0.375% c. 0.53% d. 0.60%
A
A physician places a patient on a daily dose of 60 units of u-80 units' insulin. How many ml should the patient inject each day? a. 0.75 b. 1.33 c. 0.6 d. 0.5
A
A sample of white petrolatum contains 10 mg of tocopherol per kilogram as a preservative. Express the amount of tocopherol as a ratio strength. a. 1:100,000 b. 1:1,000 c. 1:1,000,000 d. 1:10,000
A
An initial dose of not less than 150 units/kg of body weight has been recommended for open heart surgery. How many mL of an injection containing 5000 heparin units per mL should be administered to a 300-lb patient? a. 4.1 mL b. 4.1 microliter c. 5.1 mL d. 5.1 microliter
A
Calculate the number of kg of a 20% (w/w) solution which can e made from a kg of solute. a. 5.0 b. 5000 c. 0.5 d. 50.0
A
Calculate the volume, in wine gallons, represented by 175 proof gallons of 75% (v/v) alcohol. a. 125 b. 135 c. 115 d. 145
A
Convert -12°C to °K. a. 261 K b. 285 K c. 500 K d. 48 K
A
Convert 5% to mg/mL: a. 50 mg/mL b. 500 mg/mL c. 5000 mg/mL d. 5 mg/mL
A
Dilutions of potent medicinal substances: a. triturations b. diluents c. extracts d. extractives e. none
A
Expression of concentrations of weak solutions or liquid preparations: a. ratio strength d. concentration gradient b. concentrations per se e. all of the given c. strength volume
A
Find the difference in the net cost of a bill of goods amounting to P100,000 if the bill is discounted at 45% and if it is discounted at 33% and 12%. a. P3960 b. P3860 c. P3550 d. P3750
A
From the ff. formula: Benzyl benzoate 250 mL Triethanolamine 5 mL Purified water, to make 1000 mL Calculate the quantity of benzyl benzoate required to make 6 fl. Oz. of benzyl benzoate lotion. a. 45 mL b. 40 mL c. 4.5 mL d. 25 mL
A
From the following formula, calculate the quantity of sodium carbonate required to make 1500 g of powder. Rx Calcium carbonate 5 parts Magnesium oxide 1 part Sodium carbonate 4 parts Bismuth subcarbonate 3 parts a. 576.9 g b. 461.5 g c. 346.2 g d. 115.4 g
A
Give anti-diphtheria serum 6000 U by intramuscular 2injections to a patient. The patient stock is 10000 U/ 5mL vial. How many mL are you going to inject? a. 3 mL b. 5 mL c. 2 mL d. 1 mL
A
How many capsules of an antibiotic are needed to provide 25 mg/kg/day for 6 days for a man weighing 180 lbs if one capsule contains 250 mg of the antibiotic? a. 49 b. 59 c. 58 d. 39 e. 45
A
How many chloramphenicol capsules, each containing 250 mg of chloramphenicol, are needed to provide 25 mg/kg of body weight per day for 1 week for a person weighing 132 lb? a. 42 b. 24 c. 6 d. 10
A
How many colchicines tablets, each containing 600 mcg, may be prepared from 30 g of colchicines? a. 50,000 tablets b. 20,000 tablets c. 20 tablets d. 50 tablets
A
How many drops would be prescribed in each dose of a liquid medicine if 20 mL contained 60 doses? The dispensing dropper calibrates 35 gtts per mL. a. 12 gtts b. 15 gtts c. 8 gtts d. 23 gtts
A
How many gallons of 20% alcohol (v/v) would be equivalent to 20 proof gallons? a. 50 b. 60 c. 75 d. 100
A
How many grams of opium containing 15% (w/w) of morphine and how many grams of lactose should be used to prepare 150 g of opium containing 10% of morphine? a. 50 g b. 5 g c. 0.5 g d. 500 g e. none
A
How many grams of petrolatum (diluent) should be added to 925 g of zinc oxide paste to prepare an ointment containing 6% of coal tar? a. 59 g b. 60 g c. 50 g d. 55 g
A
How many grams of petrolatum should be added to 250 g of a 25% sulfur ointment to make a 5% ointment? a. 1000 g b. 1250 g c. 500 g d. 100 g
A
How many mEq of KCl are represented in 15 mL of a 10% (w/v) potassium chloride elixir? a. 20.1 mEq b. 60 mEq c. 0.06 mEq d. 167 mEq
A
Nitrostat Sublingual tablets are available as 1/200-gr tablets. What is the approximate equivalent in milligrams? a. 0.325 b. 0.077 c. 0.005 d. 0.65
A
One teaspoonful is equivalent to: a. 5 mL b. 10 mL c. 15 mL d. 20 mL
A
Peppermint spirit contains 10% (w/v) of peppermint oil. How many mL of peppermint oil should be used in preparing 1 gallon of the spirit? a. 379 mL b. 3.79 mL c. 37.9 mL d. 3,785 mL e. 0.400 mL
A
Pico denotes _____ of the basic unit: a. 10-12 b. 10-15 c. 10-18 d. 10-10
A
Roman numeral for 1050: a. ML b. MC c. MD d. DC
A
Rx Potassium permanganate tablets 0.30 g Dispense 50 tablets. Signa: three tablets in 6 pt of water and use as directed. Express the concentration as a ratio strength of the solution prepared according to the direction given in the prescription. a. 1:3153 b. 1:3253 c. 1:3053 d. 1:3000
A
Rx Procaine hydrochloride 1% Sodium chloride q.s. Sterile water for injection ad 100.0 Make isoton. Sol. Sig. for injection How many grams of sodium chloride should be used in compounding the prescription? (NaCl equivalent of procaine HCl is 0.21) a. 0.690 g b. 0.5 g c. 0.6 g d. 0.65 g
A
Rx Zinc sulfate 0.06 Boric acid q.s. Purified water ad 30.0 Make isoton. Sol. How many grams of boric acid should be used in compounding the prescription? The sodium, chloride equivalents of zinc sulfate and boric acid are 0.16 and 0.52, respectively. a. 0.50 g b. 0.45 g c. 0.59 g d. 0.30 g
A
Rx Dextrose anhydrous 25% Sodium chloride q.s. Sterile water for injection ad 1000mL Label: Isotonic Dextrose and Saline Solution. How many grams of sodium chloride should be used in preparing the solution? The sodium chloride equivalent of dextrose anhydrous is 0.18. a. 4.7 g b. 4.2 g c. 4.5 g d. 4.0 g
A
Terpin hydrate and codeine elixir contains 60 mg of codeine per 30 mL. How much additional codeine should be added to 180 mL of the elixir so that each teaspoonful will contain 15 mg of codeine? a. 180 mg b. 200 mg c. 170 mg d. 190 mg
A
The adult dose of a liquid medication is 0.1 mL/kg body weight to be administered as a single dose. How many teaspoonfuls should be given to a patient weighing 220 lb? a. 2 tsp b. 2.5 tsp c. 3 tsp d. 2 tbsp
A
The concentration of NaF in a community's dinking water is 0.6 ppm. Express this concentration as percentage. a. 0.00006% b. 0.0006% c. 0.006% d. 0.06% e. 0.6%
A
The dose of beclamethasone, an aerosolized inhalant, is 200 cg twice daily. The commercial inhaler delvers 50 mcg per metered inhalation and contains 200 inhalations. How many inhalers should be dispensed to a patient if a 60-day supply is prescribed? a. 3 b. 2 c. 4 d. 5
A
The dose that can kill the patient: a. lethal dose b. toxic dose c. therapeutic dose d. maintenance dose
A
The drawback on alcohol is $11.50 per proof gallon. If an eligible claimant used 18 gallons of 95% alcohol, how much drawback will be allowed? a. 2941 mL b. 850 mL c. 11765 mL d. 85 mL
A
The number of mL of a liquid that would provide a patient with 2 teaspoonfuls twice a day for 7 days is: a. 140 b. 70 c. 35
A
The ratio expressed decimally of the weights of a substance chosen as a standard. a. specific gravity b. percentage c. ratio d. density e. percent
A
Unit of weight of metric system: a. gram b. scruple c. dram d. grain e. liter
A
What is the concentration, in milligrams per milliliter, of a solution containing 5 mEq of potassium chloride (KCl) per milliliter? a. 372.5 mg b. 375 mg c. 370 mg d. 368.5 mg
A
What is the percentage of alcohol in a mixture of 4000 mL of 60% and 3000 mL of 30% alcohol? a. 47% b. 3666% c. 82.5% d. 110%
A
What is the ratio strength (w/v) of a solution made by dissolving 5 tablets, each containing 2.25 g of sodium chloride in enough water to make 1800mL? a. 1:160 b. 1:360 c. 1:1000 d. 1:300
A
What is the single dose for a child weighing 53 lbs if the usual pediatric dose of cefazolin sodium is 25 mg/kg/day divided equally into 3 doses? a. 200 mg b. 210 mg c. 200 g d. 220 mg
A
Which expression is the largest number? a. 2/4 b. 1/150 c. 1/50 d. 1/300
A
Zinc chloride is a three-ion electrolyte, dissociating 80% in a certain concentration. Calculate its dissociation factor (I): a. 2.6 b. 1.6 c. 2.9 d. 3
A
______ grams is also equivalent to 10 milliliters of water. a. 10 b. 100 c. 1.00 d. 0.01 e. 0.01
A
ss is equal to: a. one half b. one whole c. one d. none of the above
A
system of measurement used only in compounding of prescriptions a. metric system b. apothecary system c. avoirdupois system d. all
A/B
. How many grams of reserpine would be required to prepare 10,000 tablets, each containing 250 mg of reserpine? a. 2.5 b. 2500 c. 250 d. 25
B
100 proof strength of alcohol is equivalent to: a. 100% b. 50% c. 70% d. 45%
B
12 bottles of 100-tablet multivitamins cost P3000 when bought on a promotional deal. If the tablets sell for P450 per bottle, what percent of gross profit is realized on the selling price? a. 45% b. 44.44% c. 35.44% d. 40.44%
B
A formula for a cough syrup contains 1/8 grain f codeine phosphate per teaspoonful. How many grams of codeine phosphate should be used to prepare a quart of the cough syrup? a. 1.75 g b. 1.54 g c. 1.84 g d. 2.54 g
B
A formula for a dermatologic cream calls for a 15 g of an emulsifier blend consisting of Tween 20 and Span 40. If the required HLB is 11.70, how many grams of each emulsifier should be used in emulsifying the cream? (HLB of Tween 20 is 16.7 and Span 40 is 6.7) a. 5 g Tween 20 and 10 g Span 40 b. 7.5 g Tween 20 and 7.5 g Span 40 c. 2.5 g Tween 20 and 12.5 g of Span 40 d. none of the above
B
A formula for a dermatological cream calls for 15 g of an emulsive blend consisting of Tween 20 and Span 40. If the required HLB is 11.70 how many grams of each emulsifier should be used in emulsifying the cream? a. 5 g Tween 20 and 10 g Span 40 b. 7.5 g Tween 20 and 7.5 g Span 40 c. 2.5 g Tween 20 and 12.5 g Span 40 d. none of the above
B
A gallon of a certain lotion contains 946 mL of benzyl benzoate. Calculate the % v/v of benzyl benzoate in the lotion. a. 20% b. 25% c. 18% d. 28% e. 15%
B
A pharmacist receives a bill of goods amounting to P35,400 less a 5% discount for quantity buying and a 2% cash discount for paying the bill within 10 days. What is the net amount of the bill? a. P32,950.40 b. P32,957.40 c. P32,930.40 d. P32,951.60
B
A pharmacist weighed 800 mg of a substance on a balance of dubious accuracy. When checked on a balance of high accuracy, the weight was found to be 785 mg. Calculate the %error in the first weighing. a. 2% b. 1.88% c. 1.9% d. 1.78%
B
A physician prescribes Tetracycline Oral Suspension (125 mg/5mL) for Mr. Dela Cruz to be taken in doses of 2 teaspoons four times a day for four days, and then 1 teaspoonful four times a day for 2 days. How many mL of the suspension should be dispensed to provide the quantity for the prescribed dosage form? a. 250 mL b. 200 mL c. 210 mL d. 150 mL
B
A prescription is to be taken as follows: 1 tablet q.i.d. the first day; 1 tablet t.i.d. the second day; 1 tablet b.i.d. x 5 d; and 1 tablet q.d. thereafter. How many tablets should be dispensed to equal a 3-day supply? a. 18 tablets b. 40 tablets c. 22 tablets d. 47 tablets
B
A saturated solution of sodium chloride boils at 227.1°F. What is its boiling point on the centigrade scale? a. 100°C b. 108.24°C c. 105°C d. 107°C
B
A solution contains 10mg% Mg+2 (at. Wt. 24). How many mEq are there in a liter? a. 4.33 b. 8.33 c. 6.21 d. 8.55
B
A vaginal foam contains 0.01% (w/v) of dienestrol. Express this concentration as a ratio strength. a. 1:100 b. 1:10,000 c. 1:1,000 d. 1:100,000
B
A vitamin capsule contains 6.25 mcg of Vit B12. How many capsules can be prepared from 1 g of vit B12? a. 106000 b. 160000 c. 100600 d. none
B
An estradiol transdermal system contains in each skin patch 4 mg of estradiol and 0.3mL of alcohol. How many liters of alcohol would be required to manufacture a half-million patches? a. 15 L b. 150 l c. 1,500 L d. 300 L
B
An instrument for measuring temperature, or intensity of heat: a. barometer q b. thermometer c. pycnometer d. spectrophotometer
B
An order calls for 500mL of a solution of potassium sulfate to be made so that it contains 10 mEq of potassium sulfate. How many grams of potassium sulfate is required to prepare the solution? a. 0.495 b. 0.870 c. 4.44 d. 0.440
B
Aqueous solution containing 50% (v/v) of absolute alcohol. a. proof solution b. proof spirit c. % proof d. %solution e. none
B
B.i.d. means: a. once a day b. twice a day c. three times a day d. four times a day
B
In dosing the drug gentamicin in pediatric patients, for every 1 mg/kg of gentamicin administered, serum drug concentrations are expected to increase by 2.5mcg/mL. What would be the expected serum drug concentration following an administration of a 2.5 mg/kg dose of gentamicin? a. 5 mcg / mL b. 6.25 mcg/ mL c. 10 mcg/ mL d. 2.5 mcg/ mL
B
In what proportion should alcohols of 90% and 50% strengths should be mixed to make 70% alcohol? a. 3 parts / 5 parts b. 1 part / 1 part c. 5 parts / 4 parts d. 4 parts / 5 parts
B
Number of mL of constituents per 10 mL of solution: a. percent weight per volume d. % w/w b. % v/v e. none of the given c. percent volume in weight
B
One avoirdupois pound is equivalent to: a. 373.2 g b. 454 g c. 28.35 g d. 31.1 g
B
One fluidounce of a cough syrup contains 10 gr of sodium citrate, how many mg are contained in 5 mL? a. 50 b. 109 c. 40 d. 108 e. 30
B
One thousand nanograms equals one: a. kilogram b. microgram c. milligram
B
Paregoric acid contains the equivalent pf 0.4% opium. How many mg of opium are represented in a tablespoon dose of equal parts of paregoric and kaopectate? a. 20 mg b. 25 mg c. 15 mg d. 30 mg e. 28 mg
B
Prepare 30% alcohol cooling sponge from 1 pint of 70% isopropyl rubbing alcohol using the whole bottle. a. add 500 ml of distilled water to 1 pt of 70% alcohol b. add 656.6 ml of distilled water to 1 pt of 70% alcohol c. add 333.33 ml of distilled water to 1 pt of 70% alcohol d. add 200 ml of distilled water to 1 pt of 70% alcohol
B
Prescription calls for 250 mL of a liquid medicine contains 0.025 g of atropine sulfate and specific dose of 5 mL . Each dose contains ____ mg of atropine sulfate. a. 0.0005 b. 0.5 c. 5 d. 25
B
Purified water contains not ore than 10 ppm of total solids. Express this concentration as a percentage. a. 1.00% b. 0.001% c. 0.01% d. 10%
B
Reduce 25 mcg to g a. 2.5 x 10-6 b. 2.5 x 10-5 c. 2.5 x 10-4 d. 2.5 x 10-3
B
Tetracycline has been shown to form a calcium complex in bone-forming tissue in infants given oral tetracycline in doses of 0.011 g/lb body weight every 6 hours. Express the dose in terms of milligrams per kilogram of body weight. a. 5 mg/Kg b. 24.2 mg/Kg c. 25 mg/Kg d. 11 mg/Kg
B
The average body surface area of an adult is: a. 1.76 m2 b. 1.73 m2 c. 1.7 v d. 1.73 cm
B
The dose of a drug for children based on body surface are based on: a. weight and age b. weight and height c. age and height d. width and height
B
__________ is the fundamental unit for volume of the metric system: a. grain b. liter c. meter d. gram
B
he prophylactic dose of riboflavin is 2 mg. How many micrograms of riboflavin are in a multiple vitamin capsule containing 1/5 the prophylactic dose? a. 500 mcg b. 300 mcg c. 5000 mcg d. 200 mcg
B
. What is the % of alcohol in a mixture of 400 mL of 40% alcohol and 600 mL of a 60% alcohol? a. 50% b. 57% c. 52%
C
2 solutions that have the same osmotic pressure: a. hypotonic b. hypertonic c. isoosmotic d. isotonic
C
A 250 mL infusion bottle contains 2.0 mEq of calcium per mL. How much calcium in grams does it contain? Ca: mol wt = 40.0 a. 3.0 g b. 5.0 g c. 10.0 g d. none of the above
C
A cough syrup is labeled as containing 20% alcohol by volume. Which of the ff. statement is/are true? a. Each 100mL of syrup contains exactly 20mL alcohol USP. b. The proof strength of this product is 40. c. All of these d. There is the equivalent of 20mL of absolute alcohol present in every 100mL of syrup.
C
A jar of cleansing cream is sold for P7.50, thereby yielding a gross profit of 60% on the cost. What did it cost? a. P5.00 b. P4.00 c. P4.69 d. P4.50
C
A method of solving problems that involved the mixing of solutions or mixture of solids a. alligation medial b. alligation alternate c. both a and b d. none
C
A pain reliever tablet is listed at P100 per dozen, less a discount of 33.5%. The manufacturer offers 12 tablets free for every 6 dozens purchased. What is the net cost per tablet when the drug is bought on the deal? a. P4.25 b. P4.35 c. P4.75 d. P4.50
C
Number of grams of constituents per 100 mL solution: a. % w/w b. % v/v c. % w/v d. none of the given
C
One kilogram is equivalent to: a. 1000 mg b. 2.5 lb c. 1000 g d. 5.432 gr
C
One pound of a fungicidal ointment contains 9.08 g of undecylenic acid. Calculate the percentage (w/w) of undecylenic acid in the ointment. a. 1.81% b. 1.5% c. 2% d. 2.5%
C
Physicians prefer the calculation of doses for children based on: a. age b. weight c. body surface area d. height
C
Sudafed cough syrup contains 0.09 g of dextromethorphan hydrobromide in each fluidounce. How many milligrams of this agent would be present in each teaspoonful dose? a. 10 mg b. 12 mg c. 15 mg d. 20 mg
C
Temperature at which specific gravity should be performed according to USP/ NF: a. 4°C b. -40°C c. 25°C d. 25°C e. -40°C
C
The USP states that 1 g of a chemical is soluble in 10mL of alcohol. What is the percentage strength of a saturated solution of this chemical if alcohol has a sp gr of 0.80? a. 10.0% w/w b. 11.1% w/v c. 11.1% w/w d. 12.5% w/v
C
The directions intended for the patient on a prescription read 1 Tbsp a.c. and h.s. for 10 days. What is the minimum volume the pharmacist should dispense? a. 200 mL b. 150 mL c. 600 mL d. 450 mL
C
The inhalant dose of amyl nitrite is 0.18 mL. Express the dose in minims. a. 4 m b. 2 m c. 3 m d. 5 m
C
The injection form of calcium gluconate (Ca(C7H13O8)2 contains 1 g of drug in 10 mL of solution. How many mEq of calcium are present? (Ca=40, (Ca(C7H13O8)2 =430) a. 0.78 b. 2.3 c. 4.7 d. 503
C
The pediatric dose of cefadroxil is 30 mg/kg/day. If a child is given a daily dose of 2 teaspoonfuls of a suspension containing 125 mg of cefadroxil per 5 mL, what is the weight in lb. of the child? a. 18.5 lbs b. 18.8 lbs c. 18.3 lbs d. 18.1 lbs
C
The pediatric dose of cefadroxil is 30mg/Kg/day. If a child was given a daily dose of 2 teaspoonfuls of pediatric suspension containing 125 mg of cefadroxil per 5 mL, what was the weight, in pounds, of the child? a. 19 lbs b. 17.3 lbs c. 18.3 lbs d. 18.5 lb
C
.A prescription calls for 10 units of a drug to be taken 3 ties a day. How much will the patient have taken after 7 days? a. 21.0 units b. 0.21 units c. 2.10 units d. 210 units
D
A formula for a mouth rinse contains 1/10% (w/v) of zinc chloride. How many grams of zinc chloride should be used in preparing 25 liters of the mouth rinse? a. 35 g b. 30 g c. 20 g d. 25 g
D
A prescription item costs P13.50. Using a markup of 50% on the cost, what would be the selling price for the prescription? a. P20.50 b. P20.35 c. P20.35 d. P20.25
D
A prescription item costs a pharmacist P122.00. Using a markup of 25% on the cost plus a professional fee of P50.00, calculate the prescription price. a. P200.00 b. P250.00 c. P215.00 d. P202.50
D
Change to percent the number 1/300. a. 3% b. 33% c. 3.3% d. 1/3%
D
Cocoa butter, which is solid at room temperature and melts at 34°C, has a specific gravity of 0.86. If a formula calls for 48 mL of theobroma oil, what would be the corresponding weight of cocoa butter to use? a. 40 g b. 55.81 g c. 50 g d. 41.3 g
D
Convert 6:1000 (w/v) to mg/mL: a. 60 mg/ 10 mL b. 6 mg/ mL c. 600 mg/ 100 mL d. all of the above
D
Digitoxin is available for parenteral pediatric use in a concentration of 0.1mg/mL. How many milliliters would provide dose of 40 mcg? a. 0.04 mL b. 40 Ml c. 40 mL d. 0.4 mL
D
Expression of taking 50% (v/v) alcohol or proof spirits as 100 proof: a. 50% v/v alcohol b. 50% proof spirit c. proof spirit d. proof strength e. none
D
Four equal amounts of belladonna extract, containing 1.15%, 1.30%, 1.35% and 1.20% of alkaloids respectively, were mixed. What was the percentage strength of the mixture? a. 1.2% b. 1.4% c. 1.5% d. 1.25%
D
Four thousand (4000) nanograms equals 4: a. centigrams b. grams c. milligrams d. micrograms
D
How many 8-fluidounce bottles can be packed from a 2-gallon bottle of cough syrup? a. 15 b. 20 c. 28 d. 32
D
How many fluidounce-bottles can be packed from a 3-gallon bottle of antipyretic syrup? a. 90 b. 70 c. 85 d. 96
D
How many g of isoflurophate are contained in 15 g of a 1:10,000 ophthalmic solution of isoflurophate in peanut oil? a. 1.8 mg b. 1.9 mg c. 1.7 mg d. 1.5 mg
D
How many grams of silver nitrate should be used in preparing 500 mL of a solution such that 10 mL diluted to a liter will yield 1:5000 solution? a. 5 b. 10 c. 15 d. 20
D
How many grams of sodium chloride (mol wt 58.5) should be used to prepare 1 gallon of an isotonic solution? a. 24 b. 28 c. 32 d. 34.1
D
How many mL of 1:5000 (w/v) solution of phenyl mercuric nitrate can be made from 125 mL of a 0.5% solution? a. 1050 b. 5 c. 80 d. 3125 e. none
D
How many mL of 24% (w/v) concentrate of saline solution should be used in preparing 600mL of a solution such that 10 mL diluted to a liter will yield a 0.09% solution? a. 300mL b. 150 mL c. 50.0mL d. 225mL
D
How many mg are there in 3/8 grains? a. 23.5 mg b. 24 mg c. 23 mg d. 24.5 mg
D
How many milliliters of 95% (w/w) sulfuric acid having a specific gravity of 1.820 should be used in preparing 2 liters of 10% (w/v) sulfuric acid? a. 110 mL b. 120 mL c. 114 mL d. 116 mL
D
How many milliliters of a 37% (w/v) concentrate of saline solution should be used in preparing 750 mL of a solution such that 10 mL diluted to a liter will yield a 9% solution? a. 225 mL b. 156.5 mL c. 67.5 mL d. 182.4 mL
D
How many of a grams of a drug, tannic acid should be dissolved in 320 mL of glycerine having a specific gravity of 1.25 to make a 20% (w/w) solution? a. 8 g b. 0.8 g c. 80 g d. 100 g e. 0.008 g
D
If 2 tablets contain 550 mg of paracetamol, how many tablets should contain 3000 mg? a. 10 b. 12 c. 8 d. 11
D
If a patient is determined to have 100 g% of blood glucose, what is the equivalent concentration in terms of mg/dL? a. 1 b. 10 c. 40 d. 100
D
If a pint of a certain liquid weighs 9200 grains, what is the specific gravity of the liquid? a. 1.0 b. 1.32 c. 1.276 d. 1.26
D
If alcohol is taxed at P12.50 per proof gallon, what is the tax on 30 wine gallons of 95% v/v alcohol? a. P197 b. P57 c. P16 d. P712.50 e. P85
D
Peppermint spirit contains 10% (v/v) of peppermint oil. How many mL of peppermint oils should be used in preparing 1 gallon of the spirit? a. 390 mL b. 400 mL c. 377 mL d. 378.5 mL
D
Prepare 1000 mL of KMnO4 1:12000 compresses out of KMnO4 1:8000. a. add 333.3mL water to 1000mL KMnO4 1:8000 b. add 666.6mL water to 333.3mL KMnO4 1:8000 c. add 333.3mLKMnO4 1:8000 and enough water to make a final volume of 1000mL d. add 333.3mL water to 666.6mL KMnO4 1:8000
D
Rx Antipyrine 7% Glycerin ad 60.0 Signa: Five drops in the right eye. How many grams of antipyrine should be used in compounding the prescription? a. 2 b. 7 c. 5.5 d. 4.2
D
The drawback on alcohol is P450 per proof gallon. If an eligible claimant used 8 gallons of 95% alcohol, how much drawback will be allowed? a. 1,937 b. 3,680 c. 5,275 d. 6,992
D
The usual dose of digoxin for rapid digitalization is a total of 1.0 mg, divide into two or more portions at intervals of 6 to 8 hours. How many milliliters of digoxin elixir containing 50 mcg/ mL would provide this dose? a. 15 mL b. 10 mL c. 25 mL d. 20 mL
D
Ung means: a. cream b. cataplasm c. cerate d. ointment
D
What is the HLB of a mixture of 20.0% of Span 80 and 80.0% of Tween 80? HLB of Span 80=5.3; HLB of Tween 80=15.0 a. 6.3 b. 8.9 c. 10.3 d. 12.9
D
What is the solubility of anhydrous chemical if 100 g of a saturated aqueous solution leaves a residue of 25 g after evaporation? a. 1:5 b. 1:4 c. 1:2 d. 1:3
D
What is the weight in grams of 4 fluidounces of orange oil with a specific gravity of 0.844? a. 105 g b. 110 g c. 95 g d. 99.83 g
D
A 20 ml vial of a biological solution is labeled 2.0 megaunits. How many units of the drug are present in every ml of the solution? a. 100 b. 1000 c. 2000 d. 10000 e. 100000
E
A child weighing 25 lbs is to receive 5 mg of phenytoin per kg of body weight daily as anticonvulsant. How many mL of pediatric phenytoin suspension containing 30 mg per 5 mL should this child receive? a. 1.5 mL b. 5.5 mL c. 7.5 mL d. 6.5 mL e. 9.47 mL
E
A pharmacist has 50 mL of 0.5% gentian violet solution. What will be the final ratio if he dilutes the solution to 1250 mL with purified water? a. 1:8 b. 1:200 c. 1:50 d. 1:1000 e. 1:5000
E
A solution contains 660 mg of NaF per 120 mL and has a dose of 10 gtts. If the dispensing dropper calibrates 30 gtts per mL. How many mg of NaF are contained in each dose? a. 2.2 b. 0.5 c. 2.75 d. 5.5 e. 1.83
E
How many grams of a dug substance should be dissolved in 1800 mL of water to make 10% (w/w) solution? a. 100 g b. 50 g c. 300 g d. 25 g e. 200 g
E
Lidocaine HCl syringe contains 100 mg per 5 mL injection. Express this concentration in % (w/v). a. 0.2% b. 20% c. 10% d. 1.0% e. 2%
E
Sixty capsules of atropine, each to contain 1/250 gram, are to be made. How many tablets of atropine sulfate 0.5 mg each are needed to make the capsules? a. 32 tab b. 10 tab c. 130 tab d. 25 tab e. NOTA
E
