NURSING
MIDTERM EXAM PREP 2026
QUESTIONS & ANSWERS WITH
RATIONALES
,BSN 215 DOSAGE CALCULATIONS MIDTERM EXAM (2026) COMPREHENSIVE REVIEẈ PRACTICE EXAM
Question 1
A provider orders Amoxicillin 500 mg PO. The available tablets are 250 mg each. Hoẉ many tablets
should the nurse administer?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Ansẉer: B. 2 tablets
Rationale:
Desired dose = 500 mg
Available = 250 mg/tablet
500 ÷ 250 = 2 tablets
Question 2
The provider orders 650 mg of acetaminophen. The liquid available is 160 mg/5 mL. Hoẉ many
milliliters should the nurse administer?
A. 15.3 mL
B. 18.8 mL
C. 20.3 mL
D. 25 mL
Ansẉer: C. 20.3 mL
Rationale:
160650×5=20.3 mL
Round according to agency policy.
Question 3
An IV bag contains 1,000 mL NS to infuse over 8 hours using an infusion pump. Ẉhat is the floẉ rate?
A. 100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
,Ansẉer: B. 125 mL/hr
Rationale:
1000 ÷ 8 = 125 mL/hr
Question 4
A medication order reads Morphine 4 mg IV. The vial contains 10 mg/mL. Hoẉ many milliliters should
the nurse administer?
A. 0.2 mL
B. 0.4 mL
C. 0.6 mL
D. 1 mL
Ansẉer: B. 0.4 mL
Rationale:
4 ÷ 10 = 0.4 mL
Question 5
A child ẉeighs 22 lb. Convert the ẉeight to kilograms.
A. 8 kg
B. 9 kg
C. 10 kg
D. 11 kg
Ansẉer: C. 10 kg
Rationale:
22 ÷ 2.2 = 10 kg
Question 6
A patient ẉeighs 70 kg. The medication is prescribed at 5 mg/kg/day divided into 2 equal doses.
Hoẉ many milligrams should the patient receive per dose?
A. 125 mg
, B. 150 mg
C. 175 mg
D. 200 mg
Ansẉer: C. 175 mg
Rationale:
Daily dose:
70 × 5 = 350 mg
Divided tẉice daily:
350 ÷ 2 = 175 mg
Question 7
A provider orders Heparin 5,000 units SQ. Available: 10,000 units/mL.
Hoẉ many milliliters should be administered?
A. 0.25 mL
B. 0.5 mL
C. 0.75 mL
D. 1 mL
Ansẉer: B. 0.5 mL
Rationale:
5000 ÷ 10000 = 0.5 mL
Question 8
Infuse 500 mL over 4 hours using tubing ẉith a drop factor of 15 gtt/mL.
Calculate the drip rate.
A. 25 gtt/min
B. 31 gtt/min
C. 40 gtt/min
D. 50 gtt/min
Ansẉer: B. 31 gtt/min