Page 1 of 32
BSN 215 HESI Dosage Calculation Exam
Study Bundle: 50-Question Practice Exam +
104-Question Comprehensive Test with
Verified Answers – Nightingale College
(2026/2027 Update)
Q1. Convert 2.5 L to mL.
a) 25 mL
b) 250 mL
c) 2500 mL
d) 25,000 mL
Answer: c) 2500 mL
Rationale: 1 L = 1000 mL; 2.5 × 1000 = 2500 mL.
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Q2. Scenario: A patient drinks 6 oz of juice. How many mL is
that?
a) 120 mL
b) 180 mL
c) 240 mL
d) 300 mL
Answer: b) 180 mL
Rationale: 1 oz = 30 mL; 6 × 30 = 180 mL.
Q3. Convert 0.25 mg to mcg.
a) 2.5 mcg
b) 25 mcg
c) 250 mcg
d) 2500 mcg
Answer: c) 250 mcg
Rationale: 1 mg = 1000 mcg; 0.25 × 1000 = 250 mcg.
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Q4. A child weighs 44 lb. Convert to kg (round to nearest
tenth).
a) 18 kg
b) 19 kg
c) 20 kg
d) 21 kg
Answer: c) 20 kg
Rationale: 44 lb ÷ 2.2 = 20 kg exactly.
Q5. Convert 75 kg to lb.
a) 150 lb
b) 165 lb
c) 175 lb
d) 185 lb
Answer: b) 165 lb
Rationale: 75 × 2.2 = 165 lb.
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Q6–15 continue with tsp/tbsp conversions, °C to °F, and
household/metric equivalents.
Domain 2: Oral Medications (16–30)
Q16. Order: Metoprolol 50 mg PO daily. Available: 25 mg
tablets. How many tablets?
a) 0.5
b) 1
c) 2
d) 2.5
Answer: c) 2
Rationale: 50 ÷ 25 = 2 tablets.
Q17. Scenario: Order: Amoxicillin 500 mg PO q8h. Available:
250 mg/5 mL suspension. How many mL per dose?
BSN 215 HESI Dosage Calculation Exam
Study Bundle: 50-Question Practice Exam +
104-Question Comprehensive Test with
Verified Answers – Nightingale College
(2026/2027 Update)
Q1. Convert 2.5 L to mL.
a) 25 mL
b) 250 mL
c) 2500 mL
d) 25,000 mL
Answer: c) 2500 mL
Rationale: 1 L = 1000 mL; 2.5 × 1000 = 2500 mL.
,Page 2 of 32
Q2. Scenario: A patient drinks 6 oz of juice. How many mL is
that?
a) 120 mL
b) 180 mL
c) 240 mL
d) 300 mL
Answer: b) 180 mL
Rationale: 1 oz = 30 mL; 6 × 30 = 180 mL.
Q3. Convert 0.25 mg to mcg.
a) 2.5 mcg
b) 25 mcg
c) 250 mcg
d) 2500 mcg
Answer: c) 250 mcg
Rationale: 1 mg = 1000 mcg; 0.25 × 1000 = 250 mcg.
,Page 3 of 32
Q4. A child weighs 44 lb. Convert to kg (round to nearest
tenth).
a) 18 kg
b) 19 kg
c) 20 kg
d) 21 kg
Answer: c) 20 kg
Rationale: 44 lb ÷ 2.2 = 20 kg exactly.
Q5. Convert 75 kg to lb.
a) 150 lb
b) 165 lb
c) 175 lb
d) 185 lb
Answer: b) 165 lb
Rationale: 75 × 2.2 = 165 lb.
, Page 4 of 32
Q6–15 continue with tsp/tbsp conversions, °C to °F, and
household/metric equivalents.
Domain 2: Oral Medications (16–30)
Q16. Order: Metoprolol 50 mg PO daily. Available: 25 mg
tablets. How many tablets?
a) 0.5
b) 1
c) 2
d) 2.5
Answer: c) 2
Rationale: 50 ÷ 25 = 2 tablets.
Q17. Scenario: Order: Amoxicillin 500 mg PO q8h. Available:
250 mg/5 mL suspension. How many mL per dose?
