Chapter 27 Study Guide Review

How many milligrams equal 150 mcg?

0.15 mg

One inch is equal to ____ cm.

2.5

How many ounces are equal to 10 Tbsp? A. 10 oz B. 12 oz C. 15 oz D. 5 oz

D. 5 oz

The lot number of the drug is an important item on the label, in case the medication is recalled by the pharmaceutical company that produced it. (true/false)

True

The meter is the measurement of length in the metric system. (true/false)

True

The prefix milli in the metric system means:

0.001. & 1/1,000

Convert 524 mg to g.

0.524 g

A physician prescribes administration of 100 mg of a drug. The drug label states that there are 150 mg per milliliter in a multidose vial that contains 5 mL. How many mLs should be given? (Round to the nearest tenth.)

0.7 mL

The physician prescribes 0.25 g of penicillin. The available drug is 250 mg/tablet. What would you administer to the patient?

1 tab

How many liters equal 1,500 cc?

1.5 L

The physician orders 75 mg of Demerol IM. The drug label states, "Demerol 50 mg/mL." How many milliliters should be administered?

1.5 mL

The physician orders 7.5 mL of Cipro for a pediatric patient. How many teaspoons should the parent administer?

1.5 tsp

The physician prescribes 0.125 mg of Synthroid. On hand you have 0.25-mg tabs. What should you administer?

1/2 tab

The physician prescribes 500 mg of Keflex. The available dose is 1 g/tab. How many tablets should the patient receive.

1/2 tab

You need to give Lanoxin 0.125 mg. All you have is 0.250-mg tablets. How much do you give?

1/2 tablet

Which of the following fractions reflect the lowest possible term of 5/15?

1/3

The metric system of weights and measures is a decimal system based on units of

10

How many cubic centimeters equal 2.5 teaspoons?

12.5 cc

What is the ratio for the decimal 0.20?

1:5

What is the answer for the proportion 6:4 = 3:x?

2

2.2 L would equal how many mL?

2,200

How many fluid ounces equal 90 mL?

3 fl oz

One fluid ounce is equal to ____ mL.

30

How many tablespoons equal 16 ounces?

32 Tbsp

A child who weighs 70 pounds weighs how many kilograms?

32 kg

One teaspoon is equal to _____ mL.

5

The physician prescribes 0.5 g of ampicillin. The label states, "Ampicillin 500 mg/5 mL." How many milliliters should be administered?

5 mL

How many ounces equal 150 mL?

5 oz

5.7 mg equals how many mcg?

5,700

A total of 180 mg of a medication is to be taken each day, and the medication is ordered tid. What would be the individual dose?

60 mg

How many milligrams equal 0.75 g?

750 mg

Your patient is to receive Precef 20 mg/kg every 12 hours. The patient weighs 88 pounds. What is the correct dose?

800 mg

A pediatric patient weighing 20 pounds is prescribed amoxicillin; the label states that 10 mg/kg should be administered each day. What is the total daily dose?

91 mg/day Correct

How many milliliters are equal to one fluid ounce? A. 30 B. 20 C. 15 D. 10

A. 30

A patient weighs 140 lbs. What is the weight in kilograms? A. 64 kg B. 70 kg C. 68 kg D. 140 kg

A. 64 kg

Decimal numbers can be converted to percentages by?

A. Dividing the number by 100 B. Moving the decimal point two spaces to the right C. Both A and B

When using Clark's rule for medication calculation, the formula is based on: A. child weight/adult weight B. child age/child weight C. adult weight/child age D. child weight/child height

A. child weight/adult weight

What is the abbreviation for microgram? A. mcg B. microg C. mc D. mg

A. mcg

What must a pill or tablet have on its surface to be broken for accurate dosing? A. score B. numbers C. colors D. name

A. score

A drug name written all in capital letters is the _____ name A. manufacturer B. trade C. generic D. chemical

B. trade

What must be done to divide fractions?

B.Invert the divisor C. Multiply the numerators and the denominators E. Both B and C Correct

Two mL is equal to ______ cc A. 6 B. 3 C. 2 D. 4

C. 2

A physician orders amoxicillin 500 mg. The available dose is 250 mg per capsule. How many capsules should be administered? A. 1 B. 4 C. 2 D. 3

C. 2 Capsules

What is the first thing you should do if the dose of the supplied drug does not exactly match your calculation?

Check your calculation for accuracy

The correct dosage of medication may depend on which of the following factors? A. Patient's age and weight B. State of health C. Other drugs being taken D. All of the above

D. All of the above

When performing dosage calculations and using the formula D/H x Q, the D stands for? A. dose per quantity B. dose for weight C. dose per hour D. dose as prescribed

D. dose as prescribed

Starting at the top of a drug label, the drug's name is directly followed by what information?

Dosage and strength of the medication

Which of the following is a household measure?

Drop

What is the formula DxQ/H used to calculate?

Drug doses

A drug label that states the percentage of the drug in the container (e.g., 4%) is identifying the dose of the medication to be administered. (true/false)

False

A drug label that states the percentage of the drug in the container (e.g., 4%) is identifying the dose of the medication to be administered. (true/false)

False

For pediatric doses, it is important to round calculations to the nearest tenth for accuracy of the medication dosage. (true/false)

False

If the drug label states, "250 mg/mL," this means that each tablet has 250 mg of the drug. (true/false)

False

If the drug label states, "250 mg/mL," this means that each tablet has 250 mg of the drug. (true/false)

False

The physician orders 140 mcg of a drug, which is equal to 1.4 mg. (true/false)

False

The solvent is the powdered base of a drug that must be mixed with a sterile liquid before administration. (true/false)

False

The solvent is the powdered base of a drug that must be mixed with a sterile liquid before administration. (true/false)

False

The units of measure mL and cc are not the same. (true/false)

False

The units of measure mL and cc are not the same. (true/false)

False

To convert a larger unit of measure to a smaller one in the metric system, move the decimal point three spaces to the left. (true/false)

False

To convert a smaller unit of measurement to a larger one in the metric system, move the decimal point three places to the right. (true/false)

False

To prevent dosage errors, use a zero before and a terminal zero after the decimal point. (true/false)

False

With the standard formula, the "ordered strength" of a drug is the amount of the drug identified on the label. (true/false)

False

Which of the following measures the weight or strength of a solid medication such as a tablet, powder, or topical preparation?

Gram

Federal law requires that all drug labels have a _________ that identifies that particular drug.

National Drug Code number

The comparison of two ratios is called a(n) __________.

Proportion

__________ is one way of expressing a fraction or division problem; it shows the relationship of the numerator to the denominator.

Ratio

When calculating dosage based on body weight, which step is to calculate a single dose of the drug based on how frequently the medication is to be given throughout the day?

Step 3

Which of the following is true about a drug's brand name on a medication label?

The brand name is followed by a symbol that designates patent protection.

Round the following calculations to the nearest tenth: a. 1.673 b. 7.829 c. 4.556 d. 9.16 e. 12.325

This was the correct response: a. 1.7 b. 7.8 c. 4.6 d. 9.2 e. 12.3

367 mL of a solution is equal to 0.367 L. (true/false)

True

For children, to calculate the total daily dose of the medication the medical assistant must multiply the child's weight in grams by the amount of drug stated on the label that should be administered per kg per day. (true/false)

True

If a medication has been on the market for a long time, the generic name may be the only one listed on the label. (true/false)

True

If a medication has been on the market for a long time, the generic name may be the only one listed on the label. (true/false)

True

If a tablet is scored, the medication has been manufactured with an impression or a groove down the center of the tablet. (true/false)

True

If a tablet is scored, the medication has been manufactured with an impression or a groove down the center of the tablet. (true/false)

True

The basic measure of weight in the household system is the pound (lb). (true/false)

True

The basic measure of weight in the household system is the pound (lb). (true/false)

True

The correct dosage of a medication may depend on the patient's age, weight, and state of health or on what other drugs the patient may be taking. (true/false)

True

The correct dosage of a medication may depend on the patient's age, weight, and state of health or on what other drugs the patient may be taking. (true/false)

True

The lot number of the drug is an important item on the label, in case the medication is recalled by the pharmaceutical company that produced it. (true/false)

True

The meter is the measurement of length in the metric system. (true/false)

True

The value 0.25 is equal to 25.0% and is commonly written as 25%. (true/false)

True

The value 0.25 is equal to 25.0% and is commonly written as 25%. (true/false)

True

When a powdered injectable medication is to be mixed with a solvent, the label states how much sterile solution to add. (true/false)

True

The most frequently used method for calculating pediatric doses relies on which of the following factors?

Weight in kg

Correctly convert the following metric units of measurement a. 14 mcg = ____ mg b. 3.7 g = ____ kg c. 1.12 kg = ____ g d. 0.33 L = ____ mL e. 49.6 mg = ____ g f. 96.4 mL = ____ L

a. 0.014 mg b. 0.0037 kg c. 1,120 g d. 330 mL e. 0.0496 g f. 0.0964 L

Determine the following equivalents 1. 0.47 = ____ (percent) = ____ (fraction) = ____ (ratio). 2. 92% = ____ (decimal) = ____ (fraction) = ____ (ratio). 3. 3/8 = ____ (ratio) = ____ (percent) = ____ (decimal). 4. 2:5 = ____ (fraction) = ____ (decimal) = ____ (percent).

a. 0.47 = 47 (percent) = 47/100 (fraction) = 47:100 (ratio) b. 92% = 0.92 (decimal) = 92/100 = 43/50 (fraction) = 92:100 (ratio) c. 3/8 = 3:8 (ratio) = 38 (percent) = 0.38 (decimal) d. 2:5 = 2/5 (fraction) = 0.4 (decimal) = 40 (percent)

Convert the following fractions into decimals, rounding the last digit to the hundredth place a. 3/4 = ________. b. 2/3 = ________. c. 9/12 = _______. d. 10/12 = _______.

a. 0.75 b. 0.67 c. 0.75 d. 0.83

What are the correct doses of the following medications, rounded to the nearest tenth? a. 1.38 cc = _____ cc b. 2.13 mL = _____ mL c. 0.62 mL = _____ mL d. 3.15 cc = _____ cc

a. 1.4 b. 2.1 c. 0.6 d. 3.2

Convert the following improper fractions to whole number or decimal equivalents: a. 12/7 = ________. b. 18/9 = ________. c. 4/3 = ________. d. 5/2 = ________.

a. 1.7 b. 2 c. 1.3 d. 2.5

Convert the following (round to the nearest tenth) a. 23 lb = ____ kg. b. 286 lb = ____ kg. c. 220 lb = ____ kg. d. 15.6 kg = ____ lb. e. 3 kg = ____ lb. f. 98 kg = ____ lb.

a. 10.5 kg b. 130 kg c. 100 kg d. 34.3 lb e. 6.6 lb f. 215.6 lb

Perform the following math problems with the fractions reduced to their lowest terms a. 2/3 × 8/7 = ______. b. 9/8 ÷ 6/10 = _____. c. 3/4 × 1/2 = _____. d. 2/5 ÷ 2/3 = _____.

a. 16/21 b. 90/48 c. 3/8 d. 3/5

Which of the following is a metric unit of length?

cm

Always in a proportion, the problem is solved by __________.

cross-multiplication

The __________ is the bottom number of a fraction.

denominator

In the formula D/H × Q, the H stands for the

dosage strength identified on the label.

The fraction 9/8 is an example of a(n) __________ fraction.

improper

Which of the following is a metric unit of volume?

mL

The __________ system of measurement is the most common measurement system used in pharmacology throughout the world.

metric

To convert liters to milliliters

multiply by 1,000

The top number in a fraction is the __________.

numerator

The fraction 3/4 is an example of a(n) __________ fraction.

proper

Medications delivered from the pharmacy in individual doses are called __________ packs.

unit dose