,BSN 215 HESI Dosage Calculation Exam | LATEST
2026
Complete Questions 1-200 with Answers, Rationales,
and NCLEX-Style Math
SECTION 1: BASIC DOSAGE CALCULATIONS (Questions
1-30)
QUESTION 1
The healthcare provider prescribes 500 mg of a medication. The available
medication is 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: * 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.
QUESTION 2
The healthcare provider prescribes 0.25 mg of a medication. The available
medication is 0.125 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: * Desired / Have × Quantity = 0.25 mg / 0.125 mg × 1 tablet =
2 tablets. Always confirm that the calculated dose is appropriate for the
patient and within safe dosing parameters.
QUESTION 3
The healthcare provider prescribes 1000 mg of a medication. The available
medication is 500 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: * Desired / Have × Quantity = 1000 mg / 500 mg × 1 tablet = 2
tablets. Always check the MAR and the medication label to verify the
prescribed dose and available concentration.
QUESTION 4
The healthcare provider prescribes 125 mg of a medication. The available
concentration is 250 mg per 5 mL. How many mL should the nurse
administer?
A. 1.5 mL
B. 2.0 mL
C. 2.5 mL
D. 5.0 mL
*Correct Answer: C. 2.5 mL
*Rationale: * Desired / Have × Quantity = 125 mg / 250 mg × 5 mL = 2.5
mL. Always use a calibrated oral syringe for accurate measurement and
double-check calculations.
2026
Complete Questions 1-200 with Answers, Rationales,
and NCLEX-Style Math
SECTION 1: BASIC DOSAGE CALCULATIONS (Questions
1-30)
QUESTION 1
The healthcare provider prescribes 500 mg of a medication. The available
medication is 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: * 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.
QUESTION 2
The healthcare provider prescribes 0.25 mg of a medication. The available
medication is 0.125 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: * Desired / Have × Quantity = 0.25 mg / 0.125 mg × 1 tablet =
2 tablets. Always confirm that the calculated dose is appropriate for the
patient and within safe dosing parameters.
QUESTION 3
The healthcare provider prescribes 1000 mg of a medication. The available
medication is 500 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: * Desired / Have × Quantity = 1000 mg / 500 mg × 1 tablet = 2
tablets. Always check the MAR and the medication label to verify the
prescribed dose and available concentration.
QUESTION 4
The healthcare provider prescribes 125 mg of a medication. The available
concentration is 250 mg per 5 mL. How many mL should the nurse
administer?
A. 1.5 mL
B. 2.0 mL
C. 2.5 mL
D. 5.0 mL
*Correct Answer: C. 2.5 mL
*Rationale: * Desired / Have × Quantity = 125 mg / 250 mg × 5 mL = 2.5
mL. Always use a calibrated oral syringe for accurate measurement and
double-check calculations.
