BSN Dosage Calculation Examination
Practice Questions & [Verified Answers],
Plus Explained Rationales|2026 Latest
Update| Instant Download PDF
1. The nurse is preparing to administer amoxicillin 500 mg PO. The
available capsules contain 250 mg each. How many capsules
should the nurse administer?
A. 0.5 capsule
B. 1 capsule
C. 2 capsules
D. 3 capsules
Answer: C. 2 capsules
Rationale: The dosage calculation is 500 mg ÷ 250 mg/capsule = 2
capsules.*
2. A patient is prescribed acetaminophen 650 mg PO. Available
tablets contain 325 mg each. How many tablets should the nurse
administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Answer: C. 2 tablets
,Rationale: Calculate 650 mg ÷ 325 mg/tablet = 2 tablets.
3. The provider orders furosemide 40 mg IV. The vial is labeled 10
mg/mL. How many milliliters should the nurse administer?
A. 2 mL
B. 4 mL
C. 5 mL
D. 10 mL
Answer: B. 4 mL
Rationale: Using D/H × Q: 40 mg ÷ 10 mg/mL = 4 mL.
4. A patient is prescribed morphine 6 mg IV. The available solution
contains 10 mg/mL. How many milliliters should the nurse
administer?
A. 0.4 mL
B. 0.5 mL
C. 0.6 mL
D. 1 mL
Answer: C. 0.6 mL
Rationale: 6 mg ÷ 10 mg/mL = 0.6 mL.
5. The nurse must administer 750 mg of cefazolin IV. After
reconstitution, the concentration is 250 mg/mL. How many
milliliters are required?
,A. 2 mL
B. 2.5 mL
C. 3 mL
D. 4 mL
Answer: C. 3 mL
Rationale: 750 mg ÷ 250 mg/mL = 3 mL.
6. An order reads levothyroxine 0.125 mg PO daily. The available
tablets are 125 mcg. How many tablets should the nurse
administer?
A. 0.5 tablet
B. 1 tablet
C. 1.25 tablets
D. 2 tablets
Answer: B. 1 tablet
Rationale: 0.125 mg equals 125 mcg. Therefore, one 125-mcg tablet
provides the prescribed dose.
7. A patient is ordered digoxin 0.25 mg PO. The available tablets
contain 125 mcg. How many tablets should be administered?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 2.5 tablets
Answer: C. 2 tablets
, Rationale: 0.25 mg = 250 mcg. Then 250 mcg ÷ 125 mcg/tablet = 2
tablets.
8. The nurse is administering 1.5 L of IV fluid over 12 hours. What
rate should the infusion pump be programmed to deliver in
mL/hr?
A. 100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
Answer: B. 125 mL/hr
Rationale: 1.5 L = 1,500 mL. Divide 1,500 mL by 12 hours to obtain 125
mL/hr.
9. An IV prescription requires 2,400 mL of fluid over 24 hours. What
is the hourly infusion rate?
A. 80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 120 mL/hr
Answer: C. 100 mL/hr
Rationale: 2,400 mL ÷ 24 hours = 100 mL/hr.
10. A patient must receive 1,000 mL of IV fluid over 8 hours.
What rate should the nurse set?
Practice Questions & [Verified Answers],
Plus Explained Rationales|2026 Latest
Update| Instant Download PDF
1. The nurse is preparing to administer amoxicillin 500 mg PO. The
available capsules contain 250 mg each. How many capsules
should the nurse administer?
A. 0.5 capsule
B. 1 capsule
C. 2 capsules
D. 3 capsules
Answer: C. 2 capsules
Rationale: The dosage calculation is 500 mg ÷ 250 mg/capsule = 2
capsules.*
2. A patient is prescribed acetaminophen 650 mg PO. Available
tablets contain 325 mg each. How many tablets should the nurse
administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Answer: C. 2 tablets
,Rationale: Calculate 650 mg ÷ 325 mg/tablet = 2 tablets.
3. The provider orders furosemide 40 mg IV. The vial is labeled 10
mg/mL. How many milliliters should the nurse administer?
A. 2 mL
B. 4 mL
C. 5 mL
D. 10 mL
Answer: B. 4 mL
Rationale: Using D/H × Q: 40 mg ÷ 10 mg/mL = 4 mL.
4. A patient is prescribed morphine 6 mg IV. The available solution
contains 10 mg/mL. How many milliliters should the nurse
administer?
A. 0.4 mL
B. 0.5 mL
C. 0.6 mL
D. 1 mL
Answer: C. 0.6 mL
Rationale: 6 mg ÷ 10 mg/mL = 0.6 mL.
5. The nurse must administer 750 mg of cefazolin IV. After
reconstitution, the concentration is 250 mg/mL. How many
milliliters are required?
,A. 2 mL
B. 2.5 mL
C. 3 mL
D. 4 mL
Answer: C. 3 mL
Rationale: 750 mg ÷ 250 mg/mL = 3 mL.
6. An order reads levothyroxine 0.125 mg PO daily. The available
tablets are 125 mcg. How many tablets should the nurse
administer?
A. 0.5 tablet
B. 1 tablet
C. 1.25 tablets
D. 2 tablets
Answer: B. 1 tablet
Rationale: 0.125 mg equals 125 mcg. Therefore, one 125-mcg tablet
provides the prescribed dose.
7. A patient is ordered digoxin 0.25 mg PO. The available tablets
contain 125 mcg. How many tablets should be administered?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 2.5 tablets
Answer: C. 2 tablets
, Rationale: 0.25 mg = 250 mcg. Then 250 mcg ÷ 125 mcg/tablet = 2
tablets.
8. The nurse is administering 1.5 L of IV fluid over 12 hours. What
rate should the infusion pump be programmed to deliver in
mL/hr?
A. 100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
Answer: B. 125 mL/hr
Rationale: 1.5 L = 1,500 mL. Divide 1,500 mL by 12 hours to obtain 125
mL/hr.
9. An IV prescription requires 2,400 mL of fluid over 24 hours. What
is the hourly infusion rate?
A. 80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 120 mL/hr
Answer: C. 100 mL/hr
Rationale: 2,400 mL ÷ 24 hours = 100 mL/hr.
10. A patient must receive 1,000 mL of IV fluid over 8 hours.
What rate should the nurse set?