Deck 6: Conversions and Calculations

Question 1

What is 99 in Roman numerals?

A)LXXXXIX
B)CIX
C)XCIX
D)XCVIIII

Answer 1

C
XC is 90 (100 - 10) and IX is 9 (10 - 1) totaling 99. CIX is 109. Answers A and D break the rules for Roman numerals by repeating one numeral more than three times.

Question 2

What is 12:30 AM in military time?

A)1200
B)0000
C)1230
D)0030

Answer 2

D
Starting at 0000 (midnight) and continuing with 0100 (1 AM), the clock runs through to 2300 (11 PM) and restarts again at 0000 (midnight). Since the clock starts at midnight with 0000, 12:30 AM would be 0030.

Question 3

What is the Arabic number for the Roman numeral XXXIV?

A)24
B)34
C)35
D)36

Answer 3

B
XXX is 30, and IV is 4, resulting in a total of 34.

Question 4

Which of the following is not a true statement regarding a drop factor?

A)Drop factor is the size of drops coming through the tubing.
B)It is measured in drops per milliliter.
C)Drop factor is specific to the tubing used.
D)It is measured in drops per minute (gtt/min).

Question 5

Which of the following is the same value as

A)0.04
B)4%
C)40%
D)20%

Question 6

The numerical value of any conversion factor is always:

A)One
B)Two
C)Five
D)Ten

Question 7

To round 0.2347 to the nearest tenth, what number determines whether to round up or down?

A)2
B)3
C)4
D)7

Question 8

How many capsules are needed to fill the following prescription: amoxicillin (Amoxil) 250 mg po qid ´ 10 d? (Amoxil is available in 250 mg capsules.)

A)20
B)40
C)60
D)80

Question 9

The fraction has the same value as:

A)75%
B)0.75
C)0.075
D)A and B

Question 10

A prescription order for gram would best be written as:

A)0.5 g
B).5 g
C)0.50 g
D)500.0 mg

Question 11

A 50-pound child is prescribed cephalexin 75 mg/kg/d in four divided doses for otitis media. How many milligrams should be administered per dose?

A)426
B)563
C)938
D)1705

Question 12

How many milligrams would be needed to fill a prescription for ranitidine 75 mg bid ´ 30 days? (Ranitidine syrup is supplied in 15-mg/mL strength.)

A)280
B)300
C)480
D)600

Question 13

A fraction that is used to convert one unit to another without changing the value of the number is called:

A)Converter
B)Conversion factor
C)Unit converter
D)None of the above

Question 14

One fluid dram is often approximated to equal:

A)1 tsp
B)15 mL
C)1 Tbsp
D)A and B

Question 15

How much of an error would occur if a technician filled a 1-microgram (mcg) order with a 1-milligram (mg) dose?

A)10 times the requested dose
B)100 times the requested dose
C)1000 times the requested dose
D)10,000 times the requested dose

Question 16

Acetaminophen liquid suspension contains 160 mg per 5 mL. How many milligrams of acetyl-p-aminophenol (APAP) are in 1 tsp?

A)240
B)320
C)400
D)480

Question 17

A patient with cancer is to receive hydromorphone (Dilaudid) 1 mg SUBCUT q3h prn for severe pain. The available strength is 4 mg/mL. How many milligrams should be administered for one dose?

A)0.2
B)0.25
C)0.45
D)0.5

Question 18

When measuring volume using the metric system, a pharmacy technician will use:

A)mL
B)L
C)Fluid ounces
D)A and B

Question 19

One fluid ounce is equivalent to _____ milliliters.

A)5
B)10
C)15
D)30

Question 20

A bottle with the measurement 4 fl would hold:

A)2 fluid ounces
B)4 fluid ounces
C)120 mL
D)B and C

Question 21

An order calls for 500 mL of heparin is to be administered over 18 hours. The tubing size delivers 15 drops per milliliter (gtt/mL). What is the drip rate?

A)3 gtt/min
B)7 gtt/min
C)50 gtt/min
D)125 gtt/hr

Question 22

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?

A)7
B)14
C)28
D)56

Question 23

How many milliliters of U-100 insulin should be administered for a 45-unit dose?

A)0.23
B)0.45
C)2.3
D)4.5

Question 24

The pharmacy purchases 1000 tablets for $99.99. The pharmacist wants to mark up a prescription of 30 tablets by 60%. What is the cost for the patient?

A)$2.40
B)$4.80
C)$24.00
D)$48.00

Question 25

How many milliliters of 0.9% sodium chloride solution can be made from 20 g of sodium chloride?

A)22.2
B)222
C)2222
D)4444

Question 26

How many grams of dextrose are needed to prepare 500 mL of 20% dextrose solution?

A)10
B)20
C)60
D)100

Question 27

A total parenteral nutrition (TPN) order calls for 500 mL of 10% Travasol, 250 mL of 50% dextrose in 250 mL of sterile water. What is the final concentration of the Travasol?

A)0.5%
B)3%
C)5%
D)8%

Question 28

A 44-pound child is prescribed azithromycin (Zithromax) oral suspension 10 mg/kg/d for 3 days. What is the daily dose in milliliters? The available strength is 100 mg/5 mL.

A)5
B)10
C)15
D)20

Question 29

How many milliliters of diluent is needed to dilute 500 mL of 70% dextrose to 50% dextrose?

A)200
B)500
C)700
D)1000

Question 30

What is the percent strength of a 1:10,000 solution?

A)0.01%
B)0.1%
C)1%
D)10%

Question 31

A 1 L IV is ordered to be administered over 8 hours. What is the infusion rate in milliliters per hour (mL/hr)?

A)100
B)125
C)200
D)250

Question 32

How many 1-pound jars of petroleum jelly should be ordered to prepare 600 g of 1% ointment?

A)1
B)2
C)3
D)4

Question 33

How many milliliters of 10% dextrose is needed to prepare 1 L of 50% dextrose from a mixture of 10% dextrose in water (D₁₀W) and 70% dextrose in water (D₇₀W)?

A)222
B)333
C)667
D)778

Question 34

How many tablets are needed for a 0.375 mg dose of digoxin (Lanoxin)? The available strength of digoxin is a 250-mcg tablet.

A)
B)
C)1
D)1

Question 35

How many milliliters of potassium chloride (KCl) solution should be added to 1 L of intravenous (IV) normal saline if 65 mEq total is needed? KCl is supplied in 2 mEq/mL.

A)15
B)30
C)32.5
D)65

Question 36

A pharmacy buys $2300 worth of inventory in the month of September. If the invoice is paid before October 10th, a 7.5% discount is applied to the total. How many dollars would the pharmacy save after the discount is applied?

A)$17.25
B)$172.50
C)$2127.50
D)$2282.75