MEDICATION MATHEMATICS, IV THERAPY & CLINICAL
DOSAGE COMPUTATIONS – 40 EXAM-STYLE QUESTIONS
WITH VERIFIED ANSWERS & DETAILED RATIONALES |
NURSING CALCULATION EXAM PREPARATION
COURSE NAME
Dosage Calculation
LEVEL
College / University Level
YEAR
Year 1–3 Nursing
1. A patient is prescribed 875 mg of amoxicillin. The suspension available
contains 250 mg per 5 mL. How many mL should be administered?
A. 15 mL
B. 17.5 mL
C. 20 mL
D. 22.5 mL
Answer B
875 ÷ 250 × 5 = 17.5 mL.
2. An order is written for 1.2 g of medication. How many milligrams is this?
, A. 120 mg
B. 1,200 mg
C. 12,000 mg
D. 120,000 mg
Answer B
1.2 g × 1,000 = 1,200 mg.
3. A patient needs 400 mg of a drug. Tablets available are 200 mg each. How
many tablets are required?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Answer B
400 ÷ 200 = 2 tablets.
4. Convert 0.8 g to milligrams.
A. 80 mg
B. 800 mg
C. 8,000 mg
D. 80,000 mg
Answer B
0.8 × 1,000 = 800 mg.
5. A medication order is for 75 mg. Available concentration is 25 mg/mL. How
many mL should be administered?