HESI A2 EXAM WITH FULL QUESTIONS AND ACCURATE
ANSWERS AND RATIONALS – 50 QUESTIONS PER SUBJECT
MATHEMATICS
1. A patient drank 3/4 of a 240 mL cup of water. How many mL did they drink?
- A) 160 mL
- B) 180 mL
- C) 200 mL
- D) 220 mL
**Answer: B) 180 mL**
*Rationale:* 240 × 3/4 = 240 × 0.75 = 180 mL.
**2.** Convert 0.625 to a fraction in simplest form.
- A) 5/8
- B) 3/5
- C) 7/8
- D) 2/3
**Answer: A) 5/8**
*Rationale:* 0.625 = 625/1000 = 5/8.
**3.** A nurse must give 2.5 mg of a medication. The vial says 5 mg per 2 mL. How many mL should be
given?
- A) 0.5 mL
- B) 1 mL
- C) 1.5 mL
- D) 2 mL
**Answer: B) 1 mL**
*Rationale:* (2.5/5) × 2 = 0.5 × 2 = 1 mL.
,**4.** What is 15% of 200?
- A) 20
- B) 25
- C) 30
- D) 35
**Answer: C) 30**
*Rationale:* 200 × 0.15 = 30.
**5.** Solve: 12 + 8 × 3 – 4 = ?
- A) 32
- B) 36
- C) 40
- D) 56
**Answer: A) 32**
*Rationale:* Order of operations: 8×3=24, 12+24=36, 36–4=32.
**6.** A patient weighs 165 lbs. Convert to kg (1 kg = 2.2 lbs).
- A) 65 kg
- B) 70 kg
- C) 75 kg
- D) 80 kg
**Answer: C) 75 kg**
*Rationale:* 165 ÷ 2.2 = 75 kg.
**7.** What is the least common denominator of 1/3, 1/4, and 1/6?
- A) 12
- B) 24
- C) 36
,- D) 48
**Answer: A) 12**
*Rationale:* Multiples of 3,4,6 → LCM = 12.
**8.** A tablet is 0.25 mg. How many tablets for 1.5 mg?
- A) 4
- B) 5
- C) 6
- D) 7
**Answer: C) 6**
*Rationale:* 1.5 ÷ 0.25 = 6.
**9.** 7/8 – 1/4 = ?
- A) 3/8
- B) 5/8
- C) 6/8
- D) 1/2
**Answer: B) 5/8**
*Rationale:* 1/4 = 2/8; 7/8 – 2/8 = 5/8.
**10.** 3.6 × 0.05 = ?
- A) 0.18
- B) 1.8
- C) 0.018
- D) 0.0018
**Answer: A) 0.18**
*Rationale:* 3.6 × 0.05 = 0.18.
**11.** What is the ratio of 8 to 20 in simplest form?
, - A) 2:5
- B) 4:10
- C) 1:2.5
- D) 8:20
**Answer: A) 2:5**
*Rationale:* Divide both by 4.
**12.** If a nurse works 12-hour shifts for 5 days, how many total hours?
- A) 50
- B) 55
- C) 60
- D) 65
**Answer: C) 60**
*Rationale:* 12 × 5 = 60.
**13.** Convert 3/5 to a percent.
- A) 30%
- B) 40%
- C) 50%
- D) 60%
**Answer: D) 60%**
*Rationale:* 3 ÷ 5 = 0.60 = 60%.
**14.** Solve for x: 4x + 7 = 31
- A) 4
- B) 5
- C) 6
- D) 7
**Answer: C) 6**
ANSWERS AND RATIONALS – 50 QUESTIONS PER SUBJECT
MATHEMATICS
1. A patient drank 3/4 of a 240 mL cup of water. How many mL did they drink?
- A) 160 mL
- B) 180 mL
- C) 200 mL
- D) 220 mL
**Answer: B) 180 mL**
*Rationale:* 240 × 3/4 = 240 × 0.75 = 180 mL.
**2.** Convert 0.625 to a fraction in simplest form.
- A) 5/8
- B) 3/5
- C) 7/8
- D) 2/3
**Answer: A) 5/8**
*Rationale:* 0.625 = 625/1000 = 5/8.
**3.** A nurse must give 2.5 mg of a medication. The vial says 5 mg per 2 mL. How many mL should be
given?
- A) 0.5 mL
- B) 1 mL
- C) 1.5 mL
- D) 2 mL
**Answer: B) 1 mL**
*Rationale:* (2.5/5) × 2 = 0.5 × 2 = 1 mL.
,**4.** What is 15% of 200?
- A) 20
- B) 25
- C) 30
- D) 35
**Answer: C) 30**
*Rationale:* 200 × 0.15 = 30.
**5.** Solve: 12 + 8 × 3 – 4 = ?
- A) 32
- B) 36
- C) 40
- D) 56
**Answer: A) 32**
*Rationale:* Order of operations: 8×3=24, 12+24=36, 36–4=32.
**6.** A patient weighs 165 lbs. Convert to kg (1 kg = 2.2 lbs).
- A) 65 kg
- B) 70 kg
- C) 75 kg
- D) 80 kg
**Answer: C) 75 kg**
*Rationale:* 165 ÷ 2.2 = 75 kg.
**7.** What is the least common denominator of 1/3, 1/4, and 1/6?
- A) 12
- B) 24
- C) 36
,- D) 48
**Answer: A) 12**
*Rationale:* Multiples of 3,4,6 → LCM = 12.
**8.** A tablet is 0.25 mg. How many tablets for 1.5 mg?
- A) 4
- B) 5
- C) 6
- D) 7
**Answer: C) 6**
*Rationale:* 1.5 ÷ 0.25 = 6.
**9.** 7/8 – 1/4 = ?
- A) 3/8
- B) 5/8
- C) 6/8
- D) 1/2
**Answer: B) 5/8**
*Rationale:* 1/4 = 2/8; 7/8 – 2/8 = 5/8.
**10.** 3.6 × 0.05 = ?
- A) 0.18
- B) 1.8
- C) 0.018
- D) 0.0018
**Answer: A) 0.18**
*Rationale:* 3.6 × 0.05 = 0.18.
**11.** What is the ratio of 8 to 20 in simplest form?
, - A) 2:5
- B) 4:10
- C) 1:2.5
- D) 8:20
**Answer: A) 2:5**
*Rationale:* Divide both by 4.
**12.** If a nurse works 12-hour shifts for 5 days, how many total hours?
- A) 50
- B) 55
- C) 60
- D) 65
**Answer: C) 60**
*Rationale:* 12 × 5 = 60.
**13.** Convert 3/5 to a percent.
- A) 30%
- B) 40%
- C) 50%
- D) 60%
**Answer: D) 60%**
*Rationale:* 3 ÷ 5 = 0.60 = 60%.
**14.** Solve for x: 4x + 7 = 31
- A) 4
- B) 5
- C) 6
- D) 7
**Answer: C) 6**
