Chapter 4:
Support and Movement
Sure, here are 20 multiple-choice questions related to Chapter 4: Support and Movement, along with their answers:
1. Which of the following is NOT a function of the skeletal system?
A) Support
B) Hormone secretion
C) Protection
D) Movement
Answer: B) Hormone secretion
2. What type of joint allows movement in all directions, such as the shoulder joint?
A) Hinge joint
B) Ball and socket joint
C) Pivot joint
D) Gliding joint
Answer: B) Ball and socket joint
3. The basic unit of a muscle is called?
A) Myofibril
B) Sarcomere
C) Myosin
D) Actin
Answer: B) Sarcomere
4. Which of the following is responsible for the sliding filament theory of muscle contraction?
A) Myosin heads pulling on actin
B) Calcium ions binding to troponin
C) ATP hydrolysis
D) All of the above
Answer: D) All of the above
5. Which muscle type is striated and under voluntary control?
A) Smooth muscle
B) Cardiac muscle
C) Skeletal muscle
D) Involuntary muscle
Answer: C) Skeletal muscle
6. The dense connective tissue that surrounds individual muscle fibers is called?
A) Tendon
B) Ligament
C) Fascia
D) Perimysium
Answer: D) Perimysium
7. Which of the following bones is NOT part of the axial skeleton?
A) Scapula
B) Skull
C) Vertebrae
D) Ribs
Answer: A) Scapula
8. The structure that attaches muscle to bone is called a?
A) Ligament
B) Tendon
C) Cartilage
D) Bursa
Answer: B) Tendon
9. The joint found between the atlas and axis vertebrae is an example of a?
A) Pivot joint
B) Hinge joint
C) Ball and socket joint
D) Gliding joint
Answer: A) Pivot joint
10. Which of the following is NOT a function of the vertebral column?
A) Protection of spinal cord
B) Support of the body
C) Blood cell production
D) Movement of the head
Answer: C) Blood cell production
11. What structure separates the individual muscles in a skeletal muscle?
A) Tendon
B) Ligament
C) Fascicle
D) Epimysium
Answer: D) Epimysium
12. What is the functional unit of a compact bone called?
A) Haversian system
B) Osteon
C) Lacunae
D) Canaliculi
Answer: B) Osteon
13. Which type of muscle is found in the walls of hollow organs like the stomach and intestines?
A) Skeletal muscle
B) Smooth muscle
C) Cardiac muscle
D) Striated muscle
Answer: B) Smooth muscle
14. Which of the following bones is part of the appendicular skeleton?
A) Sternum
B) Humerus
C) Vertebral column
D) Sacrum
Answer: B) Humerus
15. The neurotransmitter responsible for initiating muscle contraction at the neuromuscular junction is?
A) Dopamine
B) Acetylcholine
C) Serotonin
D) Epinephrine
Answer: B) Acetylcholine
16. The joint between the radius and ulna is an example of a?
A) Pivot joint
B) Hinge joint
C) Ball and socket joint
D) Gliding joint
Answer: A) Pivot joint
17. Which of the following is a function of the muscular system?
A) Production of red blood cells
B) Regulation of body temperature
C) Secretion of hormones
D) Contraction and movement
Answer: D) Contraction and movement
18. Which of the following bones is NOT part of the pelvic girdle?
A) Ilium
B) Femur
C) Pubis
D) Ischium
Answer: B) Femur
19. The bone tissue that forms the outer layer of all bones and the shaft of long bones is called?
A) Compact bone
B) Spongy bone
C) Trabecular bone
D) Cartilage
Answer: A) Compact bone
20. Which of the following is responsible for transmitting the action potential deep into the muscle fiber?
A) T-tubules
B) Sarcomere
C) Myofibril
D) Sarcoplasmic reticulum
Answer: A) T-tubules
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