HESI A2 FINAL MOCK EXAM | 80
questions and answers
421. (Math) What is the value of 3/4 + 2/8?
A. 1
B. 1/2
C. 5/4 (correct answer)
D. 3/8
RATIONALE: 2/8 = 1/4, so 3/4 + 1/4 = 4/4 = 1. Correction → correct answer is A (1).
422. (Math) A medication order is 250 mg, available is 500 mg per tablet. How many tablets are
needed?
A. 0.5 tablet (correct answer)
B. 1 tablet
C. 2 tablets
D. 1.5 tablets
RATIONALE: 250 ÷ 500 = 0.5 tablet.
423. (A&P) Which organ filters blood and produces urine?
A. Liver
B. Kidney (correct answer)
C. Lung
D. Pancreas
RATIONALE: Kidneys filter blood and form urine.
424. (Biology) What is the function of DNA?
A. Energy production
B. Genetic information storage (correct answer)
C. Protein breakdown
D. Oxygen transport
RATIONALE: DNA carries genetic instructions.
,425. (Chemistry) What is H₂O commonly known as?
A. Oxygen
B. Hydrogen
C. Water (correct answer)
D. Salt
RATIONALE: H₂O is the chemical formula for water.
426. (Physics) What is the unit of force?
A. Joule
B. Newton (correct answer)
C. Watt
D. Volt
RATIONALE: Force is measured in Newtons.
427. (Reading) The phrase “take with food” implies:
A. Take on empty stomach
B. Take after eating (correct answer)
C. Take before sleep
D. Take only once
RATIONALE: It means medication should be taken during/after meals.
428. (Vocabulary) What does “acute” mean?
A. Long-term
B. Sudden and severe (correct answer)
C. Mild
D. Chronic
RATIONALE: Acute conditions develop quickly.
429. (Math) What is 15% of 200?
A. 20
B. 25
C. 30 (correct answer)
D. 35
, RATIONALE: 0.15 × 200 = 30.
430. (A&P) Which system controls hormones?
A. Nervous
B. Endocrine (correct answer)
C. Digestive
D. Respiratory
RATIONALE: The endocrine system regulates hormones.
431. (Biology) What carries oxygen in blood?
A. Platelets
B. Red blood cells (correct answer)
C. White blood cells
D. Plasma
RATIONALE: Hemoglobin in RBCs transports oxygen.
432. (Chemistry) What is a proton charge?
A. Negative
B. Positive (correct answer)
C. Neutral
D. Variable
RATIONALE: Protons are positively charged.
433. (Physics) What is velocity?
A. Speed with direction (correct answer)
B. Distance only
C. Mass × time
D. Force
RATIONALE: Velocity includes magnitude and direction.
434. (Reading) “The patient must fast before surgery” means:
A. Eat normally
questions and answers
421. (Math) What is the value of 3/4 + 2/8?
A. 1
B. 1/2
C. 5/4 (correct answer)
D. 3/8
RATIONALE: 2/8 = 1/4, so 3/4 + 1/4 = 4/4 = 1. Correction → correct answer is A (1).
422. (Math) A medication order is 250 mg, available is 500 mg per tablet. How many tablets are
needed?
A. 0.5 tablet (correct answer)
B. 1 tablet
C. 2 tablets
D. 1.5 tablets
RATIONALE: 250 ÷ 500 = 0.5 tablet.
423. (A&P) Which organ filters blood and produces urine?
A. Liver
B. Kidney (correct answer)
C. Lung
D. Pancreas
RATIONALE: Kidneys filter blood and form urine.
424. (Biology) What is the function of DNA?
A. Energy production
B. Genetic information storage (correct answer)
C. Protein breakdown
D. Oxygen transport
RATIONALE: DNA carries genetic instructions.
,425. (Chemistry) What is H₂O commonly known as?
A. Oxygen
B. Hydrogen
C. Water (correct answer)
D. Salt
RATIONALE: H₂O is the chemical formula for water.
426. (Physics) What is the unit of force?
A. Joule
B. Newton (correct answer)
C. Watt
D. Volt
RATIONALE: Force is measured in Newtons.
427. (Reading) The phrase “take with food” implies:
A. Take on empty stomach
B. Take after eating (correct answer)
C. Take before sleep
D. Take only once
RATIONALE: It means medication should be taken during/after meals.
428. (Vocabulary) What does “acute” mean?
A. Long-term
B. Sudden and severe (correct answer)
C. Mild
D. Chronic
RATIONALE: Acute conditions develop quickly.
429. (Math) What is 15% of 200?
A. 20
B. 25
C. 30 (correct answer)
D. 35
, RATIONALE: 0.15 × 200 = 30.
430. (A&P) Which system controls hormones?
A. Nervous
B. Endocrine (correct answer)
C. Digestive
D. Respiratory
RATIONALE: The endocrine system regulates hormones.
431. (Biology) What carries oxygen in blood?
A. Platelets
B. Red blood cells (correct answer)
C. White blood cells
D. Plasma
RATIONALE: Hemoglobin in RBCs transports oxygen.
432. (Chemistry) What is a proton charge?
A. Negative
B. Positive (correct answer)
C. Neutral
D. Variable
RATIONALE: Protons are positively charged.
433. (Physics) What is velocity?
A. Speed with direction (correct answer)
B. Distance only
C. Mass × time
D. Force
RATIONALE: Velocity includes magnitude and direction.
434. (Reading) “The patient must fast before surgery” means:
A. Eat normally
