DOSAGE CALCULATION PAPER 1: MEDICATION
MATHEMATICS & SAFE DRUG ADMINISTRATION – 40
EXAM-STYLE QUESTIONS WITH VERIFIED ANSWERS &
DETAILED RATIONALES | NURSING CALCULATION EXAM
PREPARATION
COURSE NAME
Dosage Calculation
LEVEL
College / University Level
YEAR
Year 1–2 Nursing
1. A patient is prescribed 500 mg of a medication. Tablets available are 250
mg each. How many tablets should be administered?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Answer B
500 mg ÷ 250 mg = 2 tablets.
, 2. A medication order is for 750 mg. The available suspension contains 250 mg
per 5 mL. How many milliliters should be administered?
A. 10 mL
B. 15 mL
C. 20 mL
D. 25 mL
Answer B
750 mg ÷ 250 mg × 5 mL = 15 mL.
3. A patient requires 1 g of medication. How many milligrams is this?
A. 10 mg
B. 100 mg
C. 1,000 mg
D. 10,000 mg
Answer C
1 gram equals 1,000 milligrams.
4. Convert 2.5 g to milligrams.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Answer C
2.5 × 1,000 = 2,500 mg.
5. A patient is prescribed 0.5 g of medication. How many milligrams should be
given?
MATHEMATICS & SAFE DRUG ADMINISTRATION – 40
EXAM-STYLE QUESTIONS WITH VERIFIED ANSWERS &
DETAILED RATIONALES | NURSING CALCULATION EXAM
PREPARATION
COURSE NAME
Dosage Calculation
LEVEL
College / University Level
YEAR
Year 1–2 Nursing
1. A patient is prescribed 500 mg of a medication. Tablets available are 250
mg each. How many tablets should be administered?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Answer B
500 mg ÷ 250 mg = 2 tablets.
, 2. A medication order is for 750 mg. The available suspension contains 250 mg
per 5 mL. How many milliliters should be administered?
A. 10 mL
B. 15 mL
C. 20 mL
D. 25 mL
Answer B
750 mg ÷ 250 mg × 5 mL = 15 mL.
3. A patient requires 1 g of medication. How many milligrams is this?
A. 10 mg
B. 100 mg
C. 1,000 mg
D. 10,000 mg
Answer C
1 gram equals 1,000 milligrams.
4. Convert 2.5 g to milligrams.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Answer C
2.5 × 1,000 = 2,500 mg.
5. A patient is prescribed 0.5 g of medication. How many milligrams should be
given?
