HESI A2 ADVANCED PRACTICE EXAM
QUESTIONS & ANSWERS (VERIFIED
ANSWERS) WITH EXPERT
EXPLANATIONS | 2026 – 2027 UPDATE
(PDF)
1. Which plane divides the body into equal right and left halves?
A. Transverse plane
B. Midsagittal plane
C. Coronal plane
D. Frontal plane
Answer: B
Conceptual Explanation: The midsagittal plane divides the body exactly in the middle into
equal right and left halves.
2. What is the primary function of the ribosomes within a cell?
A. Energy production
B. Waste disposal
C. Protein synthesis
D. Genetic storage
,Answer: C
Conceptual Explanation: Ribosomes are responsible for translating mRNA into proteins, a
process known as protein synthesis.
3. In the human heart, which chamber pumps deoxygenated blood to the lungs?
A. Left Atrium
B. Left Ventricle
C. Right Ventricle
D. Right Atrium
Answer: C
Conceptual Explanation: The right ventricle pumps deoxygenated blood through the
pulmonary valve into the pulmonary artery towards the lungs.
4. Which of the following is an example of a chemical change?
A. Iron rusting
B. Sugar dissolving in coffee
C. Ice melting into water
D. Cutting a piece of paper
Answer: A
, Conceptual Explanation: Rusting is a chemical reaction (oxidation) that forms a new
substance, whereas the others are physical changes.
5. Solve for x: 3x + 7 = 22.
A. 6
B. 5
C. 4
D. 9
Answer: B
Conceptual Explanation: Subtract 7 from 22 to get 15. Divide 15 by 3 to get 5.
6. Which part of the brain is primarily responsible for coordinating movement and balance?
A. Cerebrum
B. Medulla oblongata
C. Thalamus
D. Cerebellum
Answer: D
Conceptual Explanation: The cerebellum regulates motor movements and maintains
posture and balance.
QUESTIONS & ANSWERS (VERIFIED
ANSWERS) WITH EXPERT
EXPLANATIONS | 2026 – 2027 UPDATE
(PDF)
1. Which plane divides the body into equal right and left halves?
A. Transverse plane
B. Midsagittal plane
C. Coronal plane
D. Frontal plane
Answer: B
Conceptual Explanation: The midsagittal plane divides the body exactly in the middle into
equal right and left halves.
2. What is the primary function of the ribosomes within a cell?
A. Energy production
B. Waste disposal
C. Protein synthesis
D. Genetic storage
,Answer: C
Conceptual Explanation: Ribosomes are responsible for translating mRNA into proteins, a
process known as protein synthesis.
3. In the human heart, which chamber pumps deoxygenated blood to the lungs?
A. Left Atrium
B. Left Ventricle
C. Right Ventricle
D. Right Atrium
Answer: C
Conceptual Explanation: The right ventricle pumps deoxygenated blood through the
pulmonary valve into the pulmonary artery towards the lungs.
4. Which of the following is an example of a chemical change?
A. Iron rusting
B. Sugar dissolving in coffee
C. Ice melting into water
D. Cutting a piece of paper
Answer: A
, Conceptual Explanation: Rusting is a chemical reaction (oxidation) that forms a new
substance, whereas the others are physical changes.
5. Solve for x: 3x + 7 = 22.
A. 6
B. 5
C. 4
D. 9
Answer: B
Conceptual Explanation: Subtract 7 from 22 to get 15. Divide 15 by 3 to get 5.
6. Which part of the brain is primarily responsible for coordinating movement and balance?
A. Cerebrum
B. Medulla oblongata
C. Thalamus
D. Cerebellum
Answer: D
Conceptual Explanation: The cerebellum regulates motor movements and maintains
posture and balance.
