Deck 6: Conversions and Calculations

Question 1

The fraction 3/4 has the same value as:

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

Answer 1

A and B

Question 2

Acetaminophen liquid suspension contains 160 mg per 5 mL. How many milligrams of acetyl-p-aminophenol (APAP) are in 1 _1/12 tsp?

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

Answer 2

240

Question 3

One fluid dram is often approximated to equal:

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

Answer 3

1 tsp

Question 4

One fluid ounce is equivalent to _____ mL.

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

Question 5

Which of the following is the same value as 2/5?

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

Question 6

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 7

A prescription order for 1/2 gram would best be written as:

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

Question 8

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 9

What is 99 in Roman numerals?

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

Question 10

What is the Arabic number for the Roman numeral XXXIV?

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

Question 11

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 12

What is 12:30 AM in military time?

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

Question 13

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 14

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 15

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 16

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 17

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

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

Question 18

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 19

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

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

Question 20

The numerical value of any conversion factor is always:

A) 1
B) 2
C) 5
D) 10

Question 21

A patient is to receive 50 units of insulin each day. How many days will a 10-mL vial of NPH insulin last?

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

Question 22

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 23

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 24

How much 1% boric acid solution and 5% boric acid solution are needed to make 60 mL of a 3% boric acid solution?

A) 10 mL of 1% boric acid solution; 50 mL of 5% boric acid solution
B) 20 mL of 1% boric acid solution; 40 mL of 5% boric acid solution
C) 30 mL of 1% boric acid solution; 30 mL of 5% boric acid solution
D) 40 mL of 1% boric acid solution; 20 mL of 5% boric acid solution

Question 25

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 26

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

Question 27

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 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

What is the infusion rate in millimeters per hour if 500 mL is infused over 4 hours?

A) 62.5 mL/hr
B) 100 mL/hr
C) 125 mL/hr
D) 200 mL/hr

Question 30

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

Question 31

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 32

A 60-pound child is prescribed amoxicillin 20 mg/kg at bedtime * 10days for otitis media prophylaxis. How many milligrams should be administered per dose?

A) 545
B) 600
C) 1090
D) 1200

Question 33

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

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

Question 34

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 35

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

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

Question 36

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 37

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 38

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 39

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 40

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

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

Question 41

A physician has instructed a patient to purchase one pint of Phisohex from the pharmacy. How many milliliters will the patient receive?

A) 240 mL
B) 480 ml
C) 960 mL
D) 1920 mL