Deck 4: Calculation of Oral Medicationssolids and Liquids

Question 1

Which is the correct equation to use when solving dosage calculations using the method where the proportion is expressed using two fractions?

A) Desire/Have * Supply = x
B) Supply : Have :: x : Desire
C) Supply/Have = x/Desire
D) Desire/Supply *Have = x

Answer 1

Supply/Have = x/Desire

Question 2

The patient/client is to receive Paxil (paroxetine hydrochloride) 40 mg po daily. Each tablet contains 20 mg. Select the correct equation to use when solving this medication problem using the formula method.

A) 40 mg/20 mg * tablet = x
B) 1 tablet : 20 mg : : x : 40 mg
C) 1 tablet/20 mg = x/40 mg x
D) 40 mg/1 tablet * 20 mg = x

Answer 2

40 mg/20 mg * tablet = x

Question 3

What is the correct equation name for "Supply : Have :: x : Desire"?

A) Formula method
B) Dimensional analysis
C) Proportion expressed as two ratios
D) Proportion expressed as two fractions

Answer 3

Proportion expressed as two ratios

Question 4

The patient/client is to receive Zyprexa (olanzapine) 10 mg po twice a day. Each tablet contains 2.5 mg. How many tablets would the patient/client receive for each dose?

A) 3
B) 3.5
C) 4
D) 4.5

Question 5

The patient/client is to receive Synthroid (levothyroxine sodium) 0.05 mg po daily. Each tablet contains 0.025 mg. How many tablets would the patient/client receive?

A) $1 / 4$
B) $1 / 2$
C) 1
D) 2

Question 6

The patient/client is to receive Tagamet (cimetidine) 0.8 g po three times a day. Each tablet contains 0.4 g. How many tablets would the patient/client receive for each dose?

A) 2
B) 3
C) 4
D) 5

Question 7

The patient/client is to receive Hydrodiuril (hydrochlorothiazide) 12.5 mg po daily. Each scored tablet contains 25 mg. How many tablets would the patient/client receive?

A) $1 / 4$
B) $1 / 2$
C) 1
D) 2

Question 8

The patient/client is to receive digoxin 0.1 mg po daily. Each scored tablet contains 0.05 mg. How many tablets would the patient/client receive?

A) $1 / 4$
B) $1 / 2$
C) 1
D) 2

Question 9

The patient/client is to receive Zyloprim (allopurinol) 0.25 g po every day. Each scored tablet contains 100 mg. How many tablets would the patient/client receive?

A) 1.5
B) 2
C) 2.5
D) 3

Question 10

The patient/client is to receive Lopressor (metoprolol tartrate) 0.05 g po every day. Each scored tablet contains 50 mg. How many tablets would the patient/client receive?

A) $1 / 2$
B) 1
C) $1 \frac{1}{2}$

D) 2

Question 11

The patient/client is to be given Cymbalta (duloxetine hydrochloride) 0.04 g po twice a day. Each scored tablet contains 0.02 g. How many tablets would the patient/client receive?

A) $1 / 2$
B) 1
C) $1 \frac{1}{2}$

D) 2

Question 12

The patient/client is to receive Ery-Tab (erythromycin) 0.666 g po every 6 hours. Each tablet contains 333 mg. How many tablets would the patient/client receive?

A) $1 / 2$
B) 1
C) $1 \frac{1}{2}$

D) 2

Question 13

The patient/client is to receive Prozac (fluoxetine hydrochloride) oral solution 40 mg po every day. The medication is available as Prozac (fluoxetine hydrochloride) oral solution 20 mg per 5 mL. How many milliliters of medication would the patient/client receive?

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

Question 14

The patient/client is to receive Dilantin (phenytoin) oral solution 100 mg po three times a day. The medication is available as Dilantin (phenytoin) oral solution 125 mg per 5 mL. How many milliliters of medication would the patient/client receive?

A) 3
B) 3.5
C) 4
D) 4.5

Question 15

The patient/client is to receive theophylline elixir 120 mg po twice a day. The medication is available as theophylline elixir 80 mg per 15 mL. How many milliliters of medication would the patient/client receive?

A) 20
B) 22.5
C) 25
D) 27.5

Question 16

The patient/client is to receive Mellaril (thioridazine) 150 mg po twice a day. The medication is available as Mellaril (thioridazine) 30 mg per milliliter. How many teaspoons should the nurse instruct the patient/client to take for each dose?

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

Question 17

The patient/client is to receive Tagamet (cimetidine) 300 mg po every 6 hours. The medication is available as Tagamet (cimetidine) 300 mg per 5 mL. How many teaspoons should the nurse instruct the patient/client to take?

A) $1 / 2$
B) 1
C) $1 \frac{1}{2}$

D) 2

Question 18

The patient/client is to receive Augmentin (amoxicillin/clavulanate potassium) 0.25 g po every 8 hours. The medication Augmentin (amoxicillin/clavulanate potassium) is available as an oral suspension 125 mg per 5 mL. How many teaspoons should the nurse instruct the patient/client to take?

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

Question 19

The patient/client is to receive Zantac (ranitidine hydrochloride) 150 mg bid via nasogastric tube. The medication is available as Zantac (ranitidine hydrochloride) 15 mg per milliliter. How many milliliters does the nurse need to administer?

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

Question 20

The patient/client is to receive Aldomet (methyldopa) 300 mg bid via nasogastric tube. The medication is available as Aldomet (methyldopa) 250 mg per 5 mL. How many milliliters does the nurse need to administer?

A) 6
B) 6.5
C) 7
D) 7.5

Question 21

When the medication dosage ordered is different from the supply, it is necessary to make sure that both are in the same weight measure. You can either convert one or the other amount to its equivalent or use a conversion factor. Select the calculation method that uses a conversion factor to set up the problem.

A) Desire/Have *Supply = x
B) Supply/Have = x/Desire
C) Supply: Have :: x : Desire
D) Supply/Have * Desire = x

Question 22

The patient/client is to receive Catapres (clonidine) 600 mcg po daily. The medication is available as Catapres (clonidine) 0.2 mg per tablet. How many tablets should the patient/client receive daily?

A) $1 / 2$
B) 1
C) 2
D) 3

Question 23

The patient/client is to receive Keflex (cephalexin) 2 g, twice daily. The medication is available as Keflex (cephalexin) 500 mg per capsule. How many capsules would the patient/client receive at each dose?

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

Question 24

The patient/client is to receive Vistaril (hydroxyzine) 40 mg po twice daily. The medication is available as Vistaril (hydroxyzine) 10 mg per 5 mL. How many milliliters would the patient/client receive for each dose?

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

Question 25

The patient/client is to receive Lasix (furosemide) 20 mg po four times a day. The medication is available in liquid form as Lasix (furosemide) 10 mg per milliliter. The patient/client should receive how many milliliters per dose?

A) 0.5
B) 1
C) 1.5
D) 2

Question 26

The patient/client is to receive Ativan (lorazepam)) 0.25 mg po three times a day. Each tablet contains 0.5 mg. How many tablets would the patient/client receive for each dose?

A) 1/2
B) 1
C) 1 1/2
D) 2

Question 27

The patient/client is to receive Prozac Liquid ( fluoxetine hydrochloride) 450 mg po every 8 hours. The medication is available as Prozac Liquid ( fluoxetine hydrochloride) 300 mg per 5 mL. How many teaspoons should the nurse instruct the patient/client to take?

A) 0.5
B) 1
C) 1.5
D) 2

Question 28

The patient/client is to receive Nexium (esomeprazole magnesium) 0.04 g po every day. Each capsule contains 20 mg. How many capsules would the patient/client receive?

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

Question 29

The patient/client is to receive Amoxil (amoxicillin) oral suspension 500 mg po two times a day. The medication is available as Amoxil (amoxicillin) oral suspension 250 mg per 5 mL. How many milliliters of medication would the patient/client receive for each dose?

A) 5
B) 10
C) 20
D) 30

Question 30

The patient/client is to receive Lanoxin (digoxin) 500 mcg po daily. The medication is available as Lanoxin (digoxin) 0.25 mg per tablet. How many tablets should the patient/client receive daily?

A) $1 / 2$
B) 1
C) 2
D) 4