Question 1

MMMXXXVII = ____

Accepted Answer

MMM = 3000; XXX = 30; VII = 7.

Question 2

CMLII = ____

Accepted Answer

CM = 900; L = 50; II = 2.

Question 3

A patient is to receive 405 ml of an IV infusion over a period of 9 hours.The IV set is calibrated to deliver 4 gtt/ml.How many drops per minute should the patient receive? ____ gtt/min

Accepted Answer

405 *  4 = 1620 total drops.Then change 9 hours to minutes: 9 *  60 = 540 minutes.Then divide total drops by total minutes to get drops/min: 1620 divided by 540 = 3 gtt/min.

Question 4

Acetaminophen elixir contains 250 mg of APAP per 2 ml.How many milligrams of APAP are in 15 ml of the elixir? ____ mg

Accepted Answer

This is a simple ratio/proportion: 250 mg/2 ml = x/15 ml; 250 ´ 15 divided by 2 = 1875 mg.

Question 5

CI = ____

Accepted Answer

C = 100; I = 1.

Question 6

The physician orders 500 ml of a drug solution to be administered at a rate of 20 gtt/min.The IV set is calibrated to deliver 15 gtt/ml.How long will it take to administer the entire infusion? ____ hours

Accepted Answer

500 ml ´ 15 gtt/ml = 7500 total gtt. Then divide total drops by drops per minute: 7500 gtt divided by 20 gtt/min = total of 375 minutes. Then change minutes to hours by dividing by 60: 375 divided by 60 = 6.25 hours.

Question 7

A medication contains 5.25 g of a drug in power form.If 5 ml of sterile water is added to the drug,how many milligrams of the drug will be contained in 1 ml of solution (assuming that the powder does not add volume to the final solution)? ____ mg

Accepted Answer

Change 5.25 g to milligrams by multiplying by 1000: 5.25 ´ 1000 = 5250 mg. Then divide 5250 mg by 5 ml to determine the number of mg in 1 ml: 5250 divided by 5 = 1050 mg in 1 ml.

Question 8

A medication is supplied in a 400 mg scored tablet.A physician prescribes 200 mg every 6 hours for 14 days.How many tablets will be dispensed for the entire course of therapy? ____ tablets

Accepted Answer

200 mg ´ 4 (every 6 hours is 4 times a day) ´ 14 days = 11,200 mg total. Then divide 11,200 mg by 400 mg tab = 28 tablets for the entire 14 days.

Question 9

A recommended dose for administration of a medication is 21 mg/lb/day.How many milligrams of this drug must be administered daily to a 115 kg adult? ____ mg/day

Accepted Answer

115 ′ 2.2 ′  21 = 5313 mg per day.

Question 10

A medication is labeled as having 351 mg/9 ml.A physician writes an order for 58.5 mg of the medication to be given every 4 hours.How many milliliters of the drug will be dispensed for a 10-day supply? ____ ml

Accepted Answer

First find the milliliters per dose: 58.5 ´ 9 divided by 351 = 1.5 ml per dose. Then multiply the dose ´ 6 (every 4 hours would be 6 times per day) = 9 ml per day; 9 ml/day ´ 10 days = 90 ml.

Question 11

The recommended dose of a medication for a pediatric patient is 32 mg/kg/day.How many milligrams must be given daily to a 42 lb child? ____ mg/day

Accepted Answer

42 lb divided by 2.2 ′  32 = 611 mg per day.

Question 12

MCMXLIX = ____

Accepted Answer

M = 1000; CM = 900; XL = 40; IX = 9.

Question 13

A recommended dose for the administration of a drug is 15 mg/lb/day in three divided doses.How many milligrams of this drug must be administered for one dose to a 90 kg adult? ____ mg

Accepted Answer

First change pounds to kilograms: 220 divided by 2.2 = 100 kg; 100 kg ´ 22 mg = 2200 mg/day.

Question 14

A physician orders 10.5 mg of morphine sulfate to be administered to a patient.Morphine is labeled 7 mg/ml.How many milliliters are required to fill the order? ____ ml

Accepted Answer

Ratio/proportion: 7 mg/1 ml = 10.5 mg/x ml; 10.5 ′ 1 divided by 7 = 1.5 ml.

Question 15

An IV piggyback containing 6 g of drug in 190 ml is to be infused over 2 hours.The IV set is calibrated to deliver 12 gtt/ml.How many drops per minute should be administered? ____ gtt/min

Accepted Answer

190 ml ´ 12 gtt/ml = 2280 total gtt; 2 hours ´ 60 = 120 total minutes; 2280 gtt divided by 120 total minutes = 19 gtt/min.

Question 16

A vial contains 1.125 g of Unasyn in 5 ml of solution.How many milligrams of Unasyn are contained in 4.7 ml of solution? ____ mg

Accepted Answer

Ratio/proportion: 1.125 g/5 ml = x mg/ 4.7 ml; 1.125 ´ 4.7 divided by 5 = 1.0575 g.Then change grams to milligrams: 1.0575 ´ 1000 = 1057.5 mg.

Question 17

DLXXXIV = ____

Accepted Answer

D = 500; LXXX = 80; IV = 4.

Question 18

The physician orders 392 ml of D₅W solution to be administered over a 14-hour period.The IV set is calibrated to deliver 15 gtt/ml.How many drops per minute should the patient receive? ____ gtt/min

Accepted Answer

392 ml ′  15 gtt/ml = 5880 total gtt.Then change 14 hours to minutes: 14 ′  60 = 840 min.Then divide total gtt by total minutes to get gtt/min: 5880 divided by 840 = 7 gtt/min.

Question 19

An IV infusion containing 945 ml is to be administered at a drop rate of 84 gtt/min.The IV set is calibrated to deliver 18 gtt/ml.How long will it take to administer the entire infusion? ____ hours

Accepted Answer

945 ′  18 = 17,010 total gtt.17,010 gtt divided by 84 gtt/min = a total of 202.5 minutes.Then divide 202.5 minutes by 60,which will give you 3.4 hours.

Question 20

A recommended dose for the administration of a drug is 22 mg/kg/day.How many milligrams of this drug must be administered per day to a 220 lb adult? ____ mg

Accepted Answer

First change pounds to kilograms: 220 divided by 2.2 = 100 kg; 100 kg × 22 mg = 2200 mg/day.

Quiz 4: Conversions and Calculations Used by Pharmacy Technicians

MMMXXXVII = ____

CMLII = ____

A patient is to receive 405 ml of an IV infusion over a period of 9 hours.The IV set is calibrated to deliver 4 gtt/ml.How many drops per minute should the patient receive? ____ gtt/min

Acetaminophen elixir contains 250 mg of APAP per 2 ml.How many milligrams of APAP are in 15 ml of the elixir? ____ mg

CI = ____

The physician orders 500 ml of a drug solution to be administered at a rate of 20 gtt/min.The IV set is calibrated to deliver 15 gtt/ml.How long will it take to administer the entire infusion? ____ hours

A medication contains 5.25 g of a drug in power form.If 5 ml of sterile water is added to the drug,how many milligrams of the drug will be contained in 1 ml of solution (assuming that the powder does not add volume to the final solution) ? ____ mg

A medication is supplied in a 400 mg scored tablet.A physician prescribes 200 mg every 6 hours for 14 days.How many tablets will be dispensed for the entire course of therapy? ____ tablets

A recommended dose for administration of a medication is 21 mg/lb/day.How many milligrams of this drug must be administered daily to a 115 kg adult? ____ mg/day

A medication is labeled as having 351 mg/9 ml.A physician writes an order for 58.5 mg of the medication to be given every 4 hours.How many milliliters of the drug will be dispensed for a 10-day supply? ____ ml

The recommended dose of a medication for a pediatric patient is 32 mg/kg/day.How many milligrams must be given daily to a 42 lb child? ____ mg/day

MCMXLIX = ____

A recommended dose for the administration of a drug is 15 mg/lb/day in three divided doses.How many milligrams of this drug must be administered for one dose to a 90 kg adult? ____ mg

A physician orders 10.5 mg of morphine sulfate to be administered to a patient.Morphine is labeled 7 mg/ml.How many milliliters are required to fill the order? ____ ml

An IV piggyback containing 6 g of drug in 190 ml is to be infused over 2 hours.The IV set is calibrated to deliver 12 gtt/ml.How many drops per minute should be administered? ____ gtt/min

A vial contains 1.125 g of Unasyn in 5 ml of solution.How many milligrams of Unasyn are contained in 4.7 ml of solution? ____ mg

DLXXXIV = ____

The physician orders 392 ml of D₅W solution to be administered over a 14-hour period.The IV set is calibrated to deliver 15 gtt/ml.How many drops per minute should the patient receive? ____ gtt/min

An IV infusion containing 945 ml is to be administered at a drop rate of 84 gtt/min.The IV set is calibrated to deliver 18 gtt/ml.How long will it take to administer the entire infusion? ____ hours

A recommended dose for the administration of a drug is 22 mg/kg/day.How many milligrams of this drug must be administered per day to a 220 lb adult? ____ mg