Ballington Chapter 6

A patient has a prescription for sucralfate 1 g po AC & HS. The liquid formulation has 500 mg/tsp. Using dimensional analysis, how many milliliters should the patient take per dose?

10 mL

Which fraction is the largest?

36/48

You need to draw up a syringe with 50 mcg of cyanocobalamine. The manufactured product is 1,000 mcg/mL. If you need to make a dilution with a final concentration of 1,000 mcg/5 mL, how much sterile water will you add to the original product and how much of the new product will you draw up into a syringe?

4 mL; 0.25 mL

Lactulose syrup is available in pint (480 mL) bottles. The patient needs to take 30 mL po BID. How many pints need to be dispensed for a month's supply?

4 pint

When converting a number to a larger unit, move the decimal point to the _______________

left.

In relation to water, a substance with a specific gravity of 2.9 would be

thicker than water.

A mother calls and says the refrigerator with her child's insulin in it is reading 25ºF. Calculate the temperature in degrees Celsius

-3.9ºC

Regular insulin is available as 100 units/mL. You need to make a solution for a continuous insulin drip with a concentration of 1 unit/mL for a final volume of 50 mL. How much insulin will need to be added to the normal saline solution?

0.5 mL

You need to mix cefazolin 1 gm lyophilized powder with sterile water for a final concentration of 1 gram in 4 mL. You use 3.4 mL of sterile water, what is the powder volume?

0.6 mL

A patient needs to take amoxicillin every 8 hours starting at 6 a.m. At what times should the medication be taken?

0600; 1400; 2200

Convert the dosage of pramipexole, 0.125 mg, to a fraction.

1/8mg

You need to make a 0.25% hydrocortisone cream using 2% hydrocortisone cream and Eucerin®. How much Eucerin® will you need to make 4 ounces?

105 g

Calcium has an atomic weight of 40.1 g. How many mEq in 500 mg of calcium?

12.5 mEq

Calculate the molecular weight of MgSO 4. (atomic weight of Magnesium = 24.31 g, Sulfur = 32.1 g, Oxygen = 16 g)

120.41 g

A patient takes one-half teaspoonful at breakfast, three-quarters teaspoonful at lunch, and 1 teaspoon at dinner of a liquid antacid. How many teaspoons does he take a day?

2 and one-quarter

The antipyretic dose of ibuprofen for a child is 10 mg/kg po q6h. What is the appropriate dose of a 100 mg/tsp ibuprofen suspension for a 4-year-old who weighs 45 pounds?

2 tsp

If the ratio of diphenhydramine is 1:5 in a 100 mL solution, what percent of the solution is diphenhydramine?

20%

You need to draw up oral syringes with 12.5 mg of diphenhydramine. The oral solution is available as 25 mg/10 mL. How many oral syringes can be filled from 4 ounces of solution?

24 oral syringes

You are asked to create a clonidine 0.025mg tablet from a clonidine 0.1 mg tablet. What percentage of the original tablet will you use?

25%

A patient needs a 120 g jar of 2.5% hydrocortisone in petrolatum. How much hydrocortisone powder do you need to compound the ointment?

3 g

If a patient receives three 1-liter bags of normal saline in a day, how many milliliters will they receive?

3,000 mL

A patient weighs 165 pounds and the physician prescribes a loading dose of gentamicin of 6 mg/kg. How many milligrams will be ordered?

450 mg

Which value is the largest?

5 kilograms

How many milligrams does 1 mEq of NaCl weigh? (Sodium = 16 g, Chloride = 35.5 g, valence = 1)

51.5 mg

A prescription is written for clindamycin 150 mg, Sig : 2 po q6h, Disp: LVI. How many capsules should you dispense?

56

Convert 0500, 1700, and 2100 to Greenwich Mean Time.

5:00 a.m., 5:00 p.m., 9:00 p.m.

Match the unit of measure with its equivalent 1 gr 1 lb 1 tbsp 960 mL 30 mL 2.2 lb 1 L

65 mg 454 g 15 mL 1 qt 1 fl oz 1 kg 1,000 mL

A 2-year-old child with a body surface area of 0.45 m 2 is prescribed methotrexate maintenance therapy for acute lymphoblastic leukemia. The dose is 20 mg/m 2 by mouth once a week. What is the weekly dose for this patient?

9 mg

The metric system is a standardized system for pharmaceutical measuring unlike the apothecary, avoirdupois, and household systems which are ____________________

All of the choices are correct.

A prescription for amoxicillin 125 mg/tsp oral suspension has the sig: ss tsp po tid. What directions should be printed on the label?

Take one-half teaspoon by mouth three times a day.

When compounding together two different manufactured products, what is the term for the product's last date for recommended use?

beyond-use date

What dosage form is commonly expressed as a weight-in-weight concentration?

cream

Which of the following units of measure is used in the apothecary system?

grain

When writing a number less than one, it should __________________

have a leading zero