Support and Movement
1. What is the primary function of the skeleton?
- A) To produce hormones
- B) To support and protect organs
- C) To digest food
- D) To circulate blood
2. How many bones are in an adult human skeleton?
- A) 206
- B) 205
- C) 208
- D) 201
3. Which of the following is NOT a type of joint?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Solid joint
4. What is the flexible tissue that cushions joints called?
- A) Bone
- B) Cartilage
- C) Ligament
- D) Tendon
5. Which part of the skeleton protects the brain?
- A) Vertebral column
- B) Ribs
- C) Skull
- D) Pelvis
6. What is the main mineral found in bones?
- A) Sodium
- B) Calcium
- C) Iron
- D) Phosphorus
7. Which type of muscle is involuntary?
- A) Skeletal muscle
- B) Smooth muscle
- C) Cardiac muscle
- D) Both B and C
8. What type of joint allows for rotational movement?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Immovable joint
9. Which part of the skeleton includes the limbs?
- A) Axial skeleton
- B) Appendicular skeleton
- C) Pelvic girdle
- D) Cranial bones
10. What is the term for the soft tissue found inside bones?
- A) Marrow
- B) Cartilage
- C) Ligament
- D) Tendon
11. Which disease is characterized by weak and brittle bones?
- A) Arthritis
- B) Osteoporosis
- C) Scoliosis
- D) Rheumatism
12. What type of joint is found in the elbow?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Gliding joint
13. What connects muscles to bones?
- A) Ligament
- B) Tendon
- C) Cartilage
- D) Muscle fiber
14. Which bone is known as the collarbone?
- A) Scapula
- B) Clavicle
- C) Sternum
- D) Humerus
15. Which structure supports the body and allows for movement?
- A) Skeleton
- B) Muscles
- C) Cartilage
- D) All of the above
16. Which of the following is a function of cartilage?
- A) To store fat
- B) To protect bones from friction
- C) To produce blood cells
- D) To transmit nerve signals
17. What is the basic structural unit of bone called?
- A) Osteocyte
- B) Osteon
- C) Chondrocyte
- D) Fibroblast
18. How many vertebrae are in the human spine?
- A) 24
- B) 26
- C) 30
- D) 32
19. Which condition is characterized by inflammation of the joints?
- A) Osteoporosis
- B) Arthritis
- C) Rickets
- D) Osteomalacia
20. What is the role of synovial fluid?
- A) To nourish bones
- B) To lubricate joints
- C) To connect muscles
- D) To store calcium
21. Which part of the skeleton is responsible for producing blood cells?
- A) Long bones
- B) Short bones
- C) Flat bones
- D) All of the above
22. What type of joint is found in the hip?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Fixed joint
23. Which bone is NOT part of the axial skeleton?
- A) Skull
- B) Vertebrae
- C) Ribs
- D) Femur
24. What is the name of the longest bone in the human body?
- A) Humerus
- B) Femur
- C) Tibia
- D) Fibula
25. What connects bones to other bones?
- A) Tendons
- B) Ligaments
- C) Cartilage
- D) Muscles
26. Which muscle type is responsible for voluntary movements?
- A) Smooth muscle
- B) Cardiac muscle
- C) Skeletal muscle
- D) All of the above
27. What part of the skeleton is responsible for the protection of the heart and lungs?
- A) Vertebral column
- B) Pelvis
- C) Rib cage
- D) Skull
28. What is the function of the skeletal system?
- A) Movement
- B) Support
- C) Protection
- D) All of the above
29. Which disease involves the degeneration of cartilage?
- A) Osteoporosis
- B) Osteoarthritis
- C) Rheumatoid arthritis
- D) Gout
30. What is the name of the fibrous tissue that covers the outer surface of bones?
- A) Endosteum
- B) Periosteum
- C) Cartilage
- D) Synovium
31. Which of the following is a characteristic of skeletal muscle?
- A) Striated appearance
- B) Involuntary contraction
- C) Found in the heart
- D) Smooth texture
32. Which type of cartilage is found in the intervertebral discs?
- A) Hyaline cartilage
- B) Elastic cartilage
- C) Fibrocartilage
- D) Articular cartilage
33. What are the primary components of the axial skeleton?
- A) Limbs and pelvis
- B) Skull and vertebral column
- C) Ribs and shoulder girdle
- D) Arms and legs
34. In what part of the body would you find a ball-and-socket joint?
- A) Knee
- B) Shoulder
- C) Elbow
- D) Ankle
35. Which vitamin is essential for calcium absorption in bones?
- A) Vitamin A
- B) Vitamin C
- C) Vitamin D
- D) Vitamin E
36. What is the main cause of osteoporosis?
- A) Excessive exercise
- B) Calcium deficiency
- C) Vitamin D overdose
- D) Excessive protein intake
37. What role do osteoclasts play in bone health?
- A) Bone formation
- B) Bone resorption
- C) Blood cell production
- D) Muscle contraction
38. Which joint allows for the greatest range of motion?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Gliding joint
39. Which disorder is characterized by a sideways curvature of the spine?
- A) Kyphosis
- B) Lordosis
- C) Scoliosis
- D) Osteoporosis
40. How do muscles work in pairs?
- A) They contract simultaneously
- B) One muscle contracts while the other relaxes
- C) They never work together
- D) Both muscles relax at the same time
41. What type of joint is the knee classified as?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Saddle joint
42. Which condition is caused by a deficiency of Vitamin D?
- A) Osteoporosis
- B) Rickets
- C) Arthritis
- D) Osteoarthritis
43. What is the primary function of ligaments?
- A) Connect muscle to bone
- B) Connect bone to bone
- C) Cushion joints
- D) Protect organs
44. Which type of arthritis is an autoimmune disease?
- A) Osteoarthritis
- B) Rheumatoid arthritis
- C) Gout
- D) Infectious arthritis
45. What is the term for the hard outer layer of bone?
- A) Endosteum
- B) Cortical bone
- C) Trabecular bone
- D) Medullary cavity
46. Which of the following bones is part of the appendicular skeleton?
- A) Vertebrae
- B) Ribs
- C) Scapula
- D) Skull
47. How do tendons differ from ligaments?
- A) Tendons connect bone to bone
- B) Ligaments connect muscle to bone
- C) Tendons connect muscle to bone, while ligaments connect bone to bone
- D) There is no difference
48. What is the primary function of the vertebral column?
- A) To protect the brain
- B) To support the upper body
- C) To assist in movement
- D) To protect the spinal cord
49. What is a common symptom of arthritis?
- A) Muscle cramps
- B) Joint pain and swelling
- C) Headaches
- D) Nausea
50. Which type of bone is most affected by osteoporosis?
- A) Long bones
- B) Short bones
- C) Flat bones
- D) Irregular bones
51. What role do synovial membranes play in joints?
- A) Produce blood cells
- B) Connect muscles to bones
- C) Produce synovial fluid
- D) Provide structure to bones
52. Which part of the body is the most common site for osteoarthritis?
- A) Hands
- B) Hips
- C) Knees
- D) Spine
53. How can osteoporosis be prevented?
- A) Avoiding physical activity
- B) Consuming enough calcium and vitamin D
- C) Eating a high-sugar diet
- D) Reducing protein intake
54. Which of the following movements is an example of flexion?
- A) Straightening the arm
- B) Bending the knee
- C) Raising the arm above the head
- D) Rotating the head
55. What is the role of the axial skeleton?
- A) Facilitates movement
- B) Provides structure and support
- C) Protects organs
- D) Both B and C
56. Which of the following is a characteristic of smooth muscle?
- A) Voluntary control
- B) Striated appearance
- C) Involuntary control
- D) Attached to bones
57. What is the name of the condition where there is an abnormal increase in the curvature of the spine?
- A) Lordosis
- B) Kyphosis
- C) Scoliosis
- D) Osteoporosis
58. Which type of joint allows for gliding movements?
- A) Hinge joint
- B) Ball and socket joint
- C) Pivot joint
- D) Plane joint
59. What is the primary purpose of cartilage in joints?
- A) To connect muscle to bone
- B) To absorb shock and reduce friction
- C) To support the body
- D) To produce blood cells
60. What type of movement occurs when you point your toes?
- A) Dorsiflexion
- B) Plantarflexion
- C) Flexion
- D) Extension
Answers:
1. B
2. A
3. D
4. B
5. C
6. B
7. D
8. C
9. B
10. A
11. B
12. A
13. B
14. B
15. D
16. B
17. B
18. A
19. B
20. B
21. D
22. B
23. D
24. B
25. B
26. C
27. C
28. D
29. B
30. B
31. A
32. C
33. B
34. B
35. C
36. B
37. B
38. B
39. C
40. B
41. A
42. B
43. B
44. B
45. B
46. C
47. C
48. D
49. B
50. A
51. C
52. C
53. B
54. B
55. D
56. C
57. B
58. D
59. B
60. B