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HESI A2 · Anatomy and Physiology · HESI A2 Anatomy and Physiology Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which muscle group is primarily responsible for extending the knee?

A. Hamstrings

B. Quadriceps

C. Calves

D. Glutes

Expert Explanatory Rationale

Correct Answer: Quadriceps

Question 2 of 5

Which of the following structures is part of both the male reproductive system and the urinary system?

A. Bladder

B. Urethra

C. Prostate

D. Seminal Vesicle

Expert Explanatory Rationale

Correct Answer: Urethra

Question 3 of 5

What is the primary function of the skin in the integumentary system?

A. Regulating body temperature

B. Protecting the body from external damage

C. Producing red blood cells

D. Producing hormones

Expert Explanatory Rationale

Correct Answer: Protecting the body from external damage

Question 4 of 5

A tissue examined under the microscope exhibits the following characteristics: cells found on the internal surface of the stomach, no extracellular matrix, cells tall and thin, and no blood vessels in the tissue. What type of tissue is this?

A. Epithelial

B. Connective

C. Muscle

D. Cartilage

Expert Explanatory Rationale

Correct Answer: Epithelial

Question 5 of 5

Which hormone regulates the sleep-wake cycle?

A. Melatonin

B. Insulin

C. Cortisol

D. Thyroxine

Expert Explanatory Rationale

Correct Answer: Melatonin

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