HESI Dosage Calculation Exam Question
and correct answers (verified answers
100%) Q&A
2026/2027 INSTANT DOWNLOAD PDF
1. A physician orders 500 mg of a medication. The vial contains 250 mg per tablet. How many
tablets should the nurse administer?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer: B. 2 tablets
Rationale: 500 mg ÷ 250 mg = 2 tablets.
2. A medication order reads 750 mg. Available tablets contain 250 mg each. How many tablets
are needed?
A. 1
B. 2
C. 3
D. 4
Correct Answer: C. 3
Rationale: 750 mg ÷ 250 mg = 3 tablets.
3. The provider orders 1 g of medication. How many milligrams is this?
A. 100 mg
B. 500 mg
C. 1,000 mg
D. 10,000 mg
,Correct Answer: C. 1,000 mg
Rationale: 1 gram equals 1,000 milligrams.
4. A patient is prescribed 0.5 g of medication. Convert to milligrams.
A. 50 mg
B. 500 mg
C. 5,000 mg
D. 0.5 mg
Correct Answer: B. 500 mg
Rationale: 0.5 × 1,000 = 500 mg.
5. The order is for 25 mg. The available medication is 50 mg/tablet. How many tablets should
be given?
A. ¼ tablet
B. ½ tablet
C. 1 tablet
D. 2 tablets
Correct Answer: B. ½ tablet
Rationale: 25 mg ÷ 50 mg = 0.5 tablet.
6. The nurse needs to administer 125 mg. The medication is supplied as 250 mg/5 mL. How
many mL should be administered?
A. 1.5 mL
B. 2 mL
C. 2.5 mL
D. 5 mL
Correct Answer: C. 2.5 mL
Rationale: (125 × 5) ÷ 250 = 2.5 mL.
7. An order reads 1,500 mL IV fluid over 12 hours. What is the hourly rate?
, A. 100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
Correct Answer: B. 125 mL/hr
Rationale: 1,500 ÷ 12 = 125 mL/hr.
8. The nurse must infuse 1,000 mL over 8 hours. Calculate mL/hr.
A. 100
B. 115
C. 125
D. 150
Correct Answer: C. 125
Rationale: 1,000 ÷ 8 = 125 mL/hr.
9. Convert 2.5 liters to milliliters.
A. 250 mL
B. 2,500 mL
C. 25,000 mL
D. 250,000 mL
Correct Answer: B. 2,500 mL
Rationale: 1 L = 1,000 mL.
10. An infant weighs 8 kg. What is the weight in pounds?
A. 13.6 lb
B. 15.6 lb
C. 17.6 lb
D. 19.6 lb
Correct Answer: C. 17.6 lb
Rationale: 8 × 2.2 = 17.6 lb.
and correct answers (verified answers
100%) Q&A
2026/2027 INSTANT DOWNLOAD PDF
1. A physician orders 500 mg of a medication. The vial contains 250 mg per tablet. How many
tablets should the nurse administer?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer: B. 2 tablets
Rationale: 500 mg ÷ 250 mg = 2 tablets.
2. A medication order reads 750 mg. Available tablets contain 250 mg each. How many tablets
are needed?
A. 1
B. 2
C. 3
D. 4
Correct Answer: C. 3
Rationale: 750 mg ÷ 250 mg = 3 tablets.
3. The provider orders 1 g of medication. How many milligrams is this?
A. 100 mg
B. 500 mg
C. 1,000 mg
D. 10,000 mg
,Correct Answer: C. 1,000 mg
Rationale: 1 gram equals 1,000 milligrams.
4. A patient is prescribed 0.5 g of medication. Convert to milligrams.
A. 50 mg
B. 500 mg
C. 5,000 mg
D. 0.5 mg
Correct Answer: B. 500 mg
Rationale: 0.5 × 1,000 = 500 mg.
5. The order is for 25 mg. The available medication is 50 mg/tablet. How many tablets should
be given?
A. ¼ tablet
B. ½ tablet
C. 1 tablet
D. 2 tablets
Correct Answer: B. ½ tablet
Rationale: 25 mg ÷ 50 mg = 0.5 tablet.
6. The nurse needs to administer 125 mg. The medication is supplied as 250 mg/5 mL. How
many mL should be administered?
A. 1.5 mL
B. 2 mL
C. 2.5 mL
D. 5 mL
Correct Answer: C. 2.5 mL
Rationale: (125 × 5) ÷ 250 = 2.5 mL.
7. An order reads 1,500 mL IV fluid over 12 hours. What is the hourly rate?
, A. 100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
Correct Answer: B. 125 mL/hr
Rationale: 1,500 ÷ 12 = 125 mL/hr.
8. The nurse must infuse 1,000 mL over 8 hours. Calculate mL/hr.
A. 100
B. 115
C. 125
D. 150
Correct Answer: C. 125
Rationale: 1,000 ÷ 8 = 125 mL/hr.
9. Convert 2.5 liters to milliliters.
A. 250 mL
B. 2,500 mL
C. 25,000 mL
D. 250,000 mL
Correct Answer: B. 2,500 mL
Rationale: 1 L = 1,000 mL.
10. An infant weighs 8 kg. What is the weight in pounds?
A. 13.6 lb
B. 15.6 lb
C. 17.6 lb
D. 19.6 lb
Correct Answer: C. 17.6 lb
Rationale: 8 × 2.2 = 17.6 lb.
