RELIAS
RN Basic Math Ability
RN Basic Math Medication Calculation
Academic Year: 2026/2027 Complete Question Bank
Question 1
The physician has ordered 100 mcg of medication IV Push. It is available in a pre-
mixed syringe with a concentration of 1 mg/mL. You will give ____mL.
A. 0.1
B. 0.2
C. 0.3
D. 0.4
CORRECT ANSWER: A. 0.1
RATIONALE
100 mcg = 0.1 mg. Volume = 0.1 mg ÷ 1 mg/mL = 0.1 mL.
, Question 2
The physician has ordered a medication to be given 0.05 mg/kg/day in 1,000 mL of
fluid. The patient weighs 246 lbs. The dose added to the 1,000 mL bag of fluid should
be ____ mg. (round your answer to one decimal place)
A. 5.6
B. 5.4
C. 5.8
D. 6.0
CORRECT ANSWER: A. 5.6
RATIONALE
Weight in kg: 246 ÷ 2.2 = 111.8 kg. Dose = 0.05 mg × 111.8 = 5.6 mg.
Question 3
The surgeon orders for 75 mg of a medication to be given IV push. The medication is
available in a concentration of 125 mg/2 mL. You will administer ____mL to the
patient. (record your answer using one decimal place)
A. 1.2
B. 1.0
C. 1.5
D. 2.0
CORRECT ANSWER: A. 1.2
RATIONALE
Concentration = 125 mg/2 mL = 62.5 mg/mL. Volume = 75 ÷ 62.5 = 1.2 mL.
, Question 4
Your patient's blood sugar is 201 mg/dL. The sliding scale insulin order says to use
the following formula to calculate the number of units to administer: [FORMULA:
(BG-100)÷30+10]= number of units to administer. Based upon your patient's blood
sugar, the nurse should administer ____units of insulin.(round to the nearest whole
number)
A. 13
B. 12
C. 14
D. 15
CORRECT ANSWER: A. 13
RATIONALE
Units = (201 - 100) ÷ 30 + 10 = 101 ÷ 30 + 10 = 3.366 + 10 = 13.366 → 13 units.
Question 5
The physician orders 10 mg of a drug IV. Available is 16 mg/mL. You should
administer ____mL.(record your answer using one decimal place)
A. 0.6
B. 0.5
C. 0.7
D. 0.8
CORRECT ANSWER: A. 0.6
RATIONALE
Volume = 10 mg ÷ 16 mg/mL = 0.625 → 0.6 mL.
RN Basic Math Ability
RN Basic Math Medication Calculation
Academic Year: 2026/2027 Complete Question Bank
Question 1
The physician has ordered 100 mcg of medication IV Push. It is available in a pre-
mixed syringe with a concentration of 1 mg/mL. You will give ____mL.
A. 0.1
B. 0.2
C. 0.3
D. 0.4
CORRECT ANSWER: A. 0.1
RATIONALE
100 mcg = 0.1 mg. Volume = 0.1 mg ÷ 1 mg/mL = 0.1 mL.
, Question 2
The physician has ordered a medication to be given 0.05 mg/kg/day in 1,000 mL of
fluid. The patient weighs 246 lbs. The dose added to the 1,000 mL bag of fluid should
be ____ mg. (round your answer to one decimal place)
A. 5.6
B. 5.4
C. 5.8
D. 6.0
CORRECT ANSWER: A. 5.6
RATIONALE
Weight in kg: 246 ÷ 2.2 = 111.8 kg. Dose = 0.05 mg × 111.8 = 5.6 mg.
Question 3
The surgeon orders for 75 mg of a medication to be given IV push. The medication is
available in a concentration of 125 mg/2 mL. You will administer ____mL to the
patient. (record your answer using one decimal place)
A. 1.2
B. 1.0
C. 1.5
D. 2.0
CORRECT ANSWER: A. 1.2
RATIONALE
Concentration = 125 mg/2 mL = 62.5 mg/mL. Volume = 75 ÷ 62.5 = 1.2 mL.
, Question 4
Your patient's blood sugar is 201 mg/dL. The sliding scale insulin order says to use
the following formula to calculate the number of units to administer: [FORMULA:
(BG-100)÷30+10]= number of units to administer. Based upon your patient's blood
sugar, the nurse should administer ____units of insulin.(round to the nearest whole
number)
A. 13
B. 12
C. 14
D. 15
CORRECT ANSWER: A. 13
RATIONALE
Units = (201 - 100) ÷ 30 + 10 = 101 ÷ 30 + 10 = 3.366 + 10 = 13.366 → 13 units.
Question 5
The physician orders 10 mg of a drug IV. Available is 16 mg/mL. You should
administer ____mL.(record your answer using one decimal place)
A. 0.6
B. 0.5
C. 0.7
D. 0.8
CORRECT ANSWER: A. 0.6
RATIONALE
Volume = 10 mg ÷ 16 mg/mL = 0.625 → 0.6 mL.
