C HAPTER 17: D OSAGE C ALCULATION AND
M EDICATION A DMINISTRATION
Cooper: Foundation of Nursing, 9th Edition
MULTIPLE CHOICE
1. Tylenol gr V is ordered. The available tablet is 0.3 g. What dosage should
the nurse administer?
a. 1 tablet
b. 1.5 tablets
c. tablet
d. 2 tablets
ANS: A
Gram to grain, multipl y by 15. (0.3 15 = 4.5 grains).
DIF: Cognitive Level: Application REF: pp. 426 -427 OBJ: 2
TOP: Math KEY: Nursing Process Step: Implementat ion
MSC: NC LEX: Safe, Effective Care Environment
2. Lanoxin 0.125 mg is to be given. The nurse converts the dose to how many
grams?
a. 1.250 g
b. 1250 g
c. 0.000125 g
d. 0.00125 g
, ANS: C
Small, arrow to big, move the decimal point three places in the
direction the a rrow points; move decimal three places to the left.
DIF: Cognitive Level: Application REF: p. 424 OBJ: 1
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
3. Atropine 0.4 mg is to be given. Ampule is labe led gr 1/150/mL. What dose
should the nurse administer?
a. 1.5 m L
b. 0.25 mL
c. 0.5 m L
d. 1 mL
ANS: D
To convert mg to gr, divide by 60.
DIF: Cognitive Level: Application REF: p. 425 OBJ: 2
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
4. A 150-lb man is to receive a medication based on milligrams/kilograms.
He is to receive 1 mg/kg. What dosage should the nurse administer?
a. 50 mg
, b. 68 mg
c. 75 mg
d. 80 mg
ANS: B
2.2 lb equals 1 kg.
DIF: Cognitive Level: Application REF: p. 423 OBJ: 1
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
5. 0.5 g of medication is ordered. The label reads 125 mg/mL. What is the
correct dose to be administered?
a. 1 mL
b. 2 mL
c. 3 mL
d. 4 mL
ANS: D
Desired dose over available dose the unit. Unit is what the available
dose is contained in.
DIF: Cognitive Level: Application REF: p. 423 OBJ: 3
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
M EDICATION A DMINISTRATION
Cooper: Foundation of Nursing, 9th Edition
MULTIPLE CHOICE
1. Tylenol gr V is ordered. The available tablet is 0.3 g. What dosage should
the nurse administer?
a. 1 tablet
b. 1.5 tablets
c. tablet
d. 2 tablets
ANS: A
Gram to grain, multipl y by 15. (0.3 15 = 4.5 grains).
DIF: Cognitive Level: Application REF: pp. 426 -427 OBJ: 2
TOP: Math KEY: Nursing Process Step: Implementat ion
MSC: NC LEX: Safe, Effective Care Environment
2. Lanoxin 0.125 mg is to be given. The nurse converts the dose to how many
grams?
a. 1.250 g
b. 1250 g
c. 0.000125 g
d. 0.00125 g
, ANS: C
Small, arrow to big, move the decimal point three places in the
direction the a rrow points; move decimal three places to the left.
DIF: Cognitive Level: Application REF: p. 424 OBJ: 1
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
3. Atropine 0.4 mg is to be given. Ampule is labe led gr 1/150/mL. What dose
should the nurse administer?
a. 1.5 m L
b. 0.25 mL
c. 0.5 m L
d. 1 mL
ANS: D
To convert mg to gr, divide by 60.
DIF: Cognitive Level: Application REF: p. 425 OBJ: 2
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
4. A 150-lb man is to receive a medication based on milligrams/kilograms.
He is to receive 1 mg/kg. What dosage should the nurse administer?
a. 50 mg
, b. 68 mg
c. 75 mg
d. 80 mg
ANS: B
2.2 lb equals 1 kg.
DIF: Cognitive Level: Application REF: p. 423 OBJ: 1
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
5. 0.5 g of medication is ordered. The label reads 125 mg/mL. What is the
correct dose to be administered?
a. 1 mL
b. 2 mL
c. 3 mL
d. 4 mL
ANS: D
Desired dose over available dose the unit. Unit is what the available
dose is contained in.
DIF: Cognitive Level: Application REF: p. 423 OBJ: 3
TOP: Math KEY: Nursing Process Step: Implementation
MSC: NC LEX: Safe, Effective Care Environment
