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HESI A2 · Anatomy and Physiology · HESI A2 Anatomy and Physiology Practice Test 2023

Full Question & Rationale Repository

Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the function of the medulla oblongata in the brain?

A. To control breathing and heart rate

B. To regulate body temperature

C. To coordinate voluntary movements

D. To process sensory information

Correct Answer: To control breathing and heart rate

Question 2 of 5

What is the primary function of white blood cells?

A. To carry oxygen

B. To fight infections

C. To transport nutrients

D. To clot blood

Correct Answer: To fight infections

Question 3 of 5

What is the main function of the adrenal glands?

A. Regulation of metabolism

B. Production of bile

C. Regulation of blood pressure

D. Production of insulin

Correct Answer: Regulation of blood pressure

Question 4 of 5

What is the function of the liver in digestion?

A. To produce bile

B. To store glucose

C. To secrete digestive enzymes

D. To detoxify harmful substances

Correct Answer: To produce bile

Question 5 of 5

What is the primary function of the pancreas in digestion?

A. To absorb nutrients

B. To secrete digestive enzymes

C. To produce bile

D. To store glucose

Correct Answer: To secrete digestive enzymes

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