Essential Human Anatomy & Physiology
Module 5
Final Test Review (Qns & Ans)
2025
1. What is the primary function of the muscular system?
- A. To produce hormones
- B. To facilitate movement
- C. To regulate body temperature
- D. To transport nutrients
- Correct ANS: B
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,2. Which type of muscle tissue is under voluntary control?
- A. Cardiac muscle
- B. Smooth muscle
- C. Skeletal muscle
- D. All of the above
- Correct ANS: C
3. What is the main component of a muscle fiber?
- A. Myofibrils
- B. Sarcoplasm
- C. Sarcolemma
- D. Mitochondria
- Correct ANS: A
4. Which protein is responsible for the contraction of muscle
fibers?
- A. Collagen
- B. Actin
- C. Keratin
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, - D. Elastin
- Correct ANS: B
5. What is the role of the sarcoplasmic reticulum in muscle
contraction?
- A. To store and release calcium ions
- B. To produce ATP
- C. To synthesize proteins
- D. To transport oxygen
- Correct ANS: A
6. Which type of muscle tissue is found in the walls of hollow
organs?
- A. Skeletal muscle
- B. Cardiac muscle
- C. Smooth muscle
- D. Connective muscle
- Correct ANS: C
7. What is the primary function of the neuromuscular junction?
- A. To transmit electrical impulses to muscle fibers
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, - B. To produce muscle proteins
- C. To store energy
- D. To transport nutrients
- Correct ANS: A
8. Which ion is essential for muscle contraction?
- A. Sodium
- B. Potassium
- C. Calcium
- D. Magnesium
- Correct ANS: C
9. What is the function of myoglobin in muscle tissue?
- A. To store oxygen
- B. To produce ATP
- C. To synthesize proteins
- D. To transport calcium
- Correct ANS: A
10. Which muscle is responsible for the movement of the arm?
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