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

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Where does digestion begin in the digestive system?

A. Stomach

B. Mouth

C. Small intestine

D. Esophagus

Correct Answer: Mouth

Question 2 of 5

What is the role of the liver in detoxification?

A. To secrete bile

B. To store glucose

C. To convert toxins into less harmful substances

D. To produce insulin

Correct Answer: To convert toxins into less harmful substances

Question 3 of 5

What is the role of platelets in the blood?

A. To transport oxygen

B. To fight infections

C. To clot blood

D. To carry nutrients

Correct Answer: To clot blood

Question 4 of 5

What is the role of enzymes in the body?

A. To produce energy

B. To speed up chemical reactions

C. To transport molecules

D. To repair tissues

Correct Answer: To speed up chemical reactions

Question 5 of 5

What is the primary role of the liver in the body?

A. Producing insulin

B. Detoxifying harmful substances

C. Digesting food

D. Storing energy

Correct Answer: Detoxifying harmful substances

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