LATEST 2026-2027
Complete Questions with Answers, Rationales,
and NCLEX-Style Math
BSN 215 HESI Dosage Calculation Exam | LATEST
2026
QUESTION 1
The healthcare provider prescribes amoxicillin 500 mg PO every 8 hours.
The available medication is amoxicillin 250 mg per tablet. How many tablets
should the nurse administer per dose?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer: B. 2 tablets
*Rationale: * Use the formula: Desired / Have × Quantity = 500 mg / 250
mg × 1 tablet = 2 tablets. Always verify the dose is within safe limits and
,double-check calculations before administration. The medication should be
administered every 8 hours as prescribed.
QUESTION 2
The healthcare provider prescribes cefalexin 250 mg PO every 6 hours. The
available medication is cefalexin 125 mg per 5 mL. How many mL should
the nurse administer per dose?
A. 5 mL
B. 10 mL
C. 15 mL
D. 20 mL
*Correct Answer: B. 10 mL
*Rationale: * Desired / Have × Quantity = 250 mg / 125 mg × 5 mL = 10
mL. Always use a calibrated oral syringe for accurate measurement. Verify
the dose is within safe limits for the patient.
QUESTION 3
The healthcare provider prescribes furosemide 40 mg IV push. The available
medication is furosemide 10 mg/mL. How many mL should the nurse
administer?
A. 2 mL
B. 3 mL
, C. 4 mL
D. 5 mL
*Correct Answer: C. 4 mL
*Rationale: * Desired / Have × Quantity = 40 mg / 10 mg × 1 mL = 4 mL.
IV push medications should be administered at the recommended rate.
Always verify the medication and dose with a second nurse for high-alert
medications.
QUESTION 4
The healthcare provider prescribes morphine sulfate 4 mg IV push. The
available medication is morphine sulfate 2 mg/mL. How many mL should
the nurse administer?
A. 1 mL
B. 2 mL
C. 3 mL
D. 4 mL
*Correct Answer: B. 2 mL
*Rationale: * Desired / Have × Quantity = 4 mg / 2 mg × 1 mL = 2 mL.
Morphine is a controlled substance requiring double verification of the
dose and waste. Always monitor respiratory status before and after
administration.