Skeletal System

Question 1

1. Which of the following is not a part of the skeletal system?
   a) Bones (skeleton)
   b) Joints
   c) Muscles
   d) Cartilages

Answer 1

C- Muscles

Question 2

2. The axial skeleton includes:
   a) Pelvis and extremities
   b) Skull, ribs, and vertebrae
   c) Clavicle and scapula
   d) Femur and humerus

Answer 2

B - Skull, ribs, and vertebrae

Question 3

3. Which bone type is typically longer than wide and contains mostly compact bone?
   a) Long bones
   b) Short bones
   c) Flat bones
   d) Irregular bones

Answer 3

A - Long bones

Question 4

4. The shaft of a long bone is called:
   a) Epiphysis
   b) Diaphysis
   c) Articular cartilage
   d) Medullary cavity

Answer 4

B - Diaphysis

Question 5

5. Articular cartilage covers the external surface of:
   a) Diaphysis
   b) Epiphysis
   c) Medullary cavity
   d) Ligaments

Answer 5

A - Epiphysis

Question 6

6. Bone fractures that do not penetrate the skin are called:
   a) Closed (simple) fractures
   b) Open (compound) fractures
   c) Greenstick fractures
   d) Transverse fractures

Answer 6

A - Closed (simple) fractures

Question 7

7. The part of the axial skeleton that forms the cage to protect major organs is called:
   a) Skull
   b) Vertebral column
   c) Bony thorax
   d) Shoulder girdle

Answer 7

C - Bony thorax

Question 8

8. The pectoral (shoulder) girdle is composed of:
   a) Clavicle and scapula
   b) Humerus and radius
   c) Femur and tibia
   d) Ulna and fibula

Answer 8

A - Clavicle and scapula

Question 9

9. The bones of the upper limb include all of the following except:
   a) Carpals
   b) Metacarpals
   c) Phalanges
   d) Femur

Answer 9

D - Femur

Question 10

10. The hip bones are composed of three pairs of fused bones:
    a) Ilium, ischium, and pubic bone
    b) Femur, tibia, and fibula
    c) Carpals, metacarpals, and phalanges
    d) Radius, ulna, and humerus

Answer 10

A - Ilium, ischium, and pubic bone

Question 11

11. The bone that forms the thigh is called:
    a) Tibia
    b) Fibula
    c) Femur
    d) Patella

Answer 11

C - Femur

Question 12

12. Which bone is not part of the lower limb?
    a) Tibia
    b) Fibula
    c) Femur
    d) Humerus

Answer 12

D - Humerus

Question 13

13. The foot is composed of:
    a) Carpals, metacarpals, and phalanges
    b) Tarsus, metatarsals, and phalanges
    c) Tibia, fibula, and patella
    d) Ilium, ischium, and pubic bone

Answer 13

B - Tarsus, metatarsals, and phalanges

Question 14

14. Bones of the foot are arranged to form how many strong arches?
    a) One longitudinal arch
    b) Two longitudinal arches
    c) One transverse arch
    d) Three arches

Answer 14

D - Three arches

Question 15

15. Joints are articulations of bones and serve which of the following functions?
    a) Hold bones together
    b) Allow for mobility
    c) Both a and b
    d) None of the above

Answer 15

C - Both a and b

Question 16

16. Which type of joint is generally immovable?
    a) Fibrous joints
    b) Cartilaginous joints
    c) Synovial joints
    d) None of the above

Answer 16

A - Fibrous joints

Question 17

17. Which of the following is an inflammatory condition associated with joints?
    a) Tendonitis
    b) Osteoporosis
    c) Scoliosis
    d) Herniated disc

Answer 17

A - Tendonitis

Question 18

18. Rheumatoid arthritis is characterized by:
    a) Normal aging processes
    b) An autoimmune attack on the joints
    c) Deposition of urate crystals
    d) Inflammation of tendon sheaths

Answer 18

B - An autoimmune attack on the joints

Question 19

19. Gouty arthritis is caused by:
    a) Deposition of urate crystals
    b) Aging processes
    c) Autoimmune attack on the joints
    d) Inflammation of tendon sheaths

Answer 19

A - Deposition of urate crystals

Question 20

20. Which type of bone tissue is mostly found in long bones?
    a) Compact bone
    b) Spongy bone
    c) Cartilaginous bone
    d) Irregular bone

Answer 20

A -Compact bone

Question 21

21. The function of the skeletal system includes:
    a) Support of the body
    b) Protection of soft organs
    c) Movement due to attached skeletal muscles
    d) All of the above

Answer 21

D - All of the above

Question 22

22. How many bones does the adult skeleton have?
    a) 106
    b) 206
    c) 306
    d) 406

Answer 22

B - 206

Question 23

23. The two basic types of bone tissue are:
    a) Compact bone and spongy bone
    b) Cartilaginous bone and ligamentous bone
    c) Axial bone and appendicular bone
    d) Hyaline bone and fibrous bone

Answer 23

A - Compact bone and spongy bone

Question 24

24. Which bone classification category includes the skull, ribs, and sternum?
    a) Long bones
    b) Short bones
    c) Flat bones
    d) Irregular bones

Answer 24

C - Flat bones

Question 25

25. Which structure covers the external surface of the epiphyses and decreases friction at joint surfaces?
    a) Articular cartilage
    b) Medullary cavity
    c) Ligament
    d) Tendon

Answer 25

A - Articular cartilage

Question 26

26. What allows for the growth of long bones during childhood?
    a) Medullary cavity
    b) Epiphyseal plates
    c) Articular cartilage
    d) Spongy bone

Answer 26

B - Epiphyseal plates

Question 27

27. Bones are remodeled and lengthened until growth stops, primarily due to the activity of:
    a) Cartilage
    b) Ligaments
    c) Tendons
    d) Osteoblasts and osteoclasts

Answer 27

D - Osteoblasts and osteoclasts

Question 28

28. The only bone that does not articulate with another bone and serves as a moveable base for the tongue is the:
    a) Mandible
    b) Hyoid bone
    c) Sternum
    d) Scapula

Answer 28

B - Hyoid bone

Question 29

29. Which part of the bony thorax forms a cage to protect major organs?
    a) Sternum
    b) Ribs
    c) Thoracic vertebrae
    d) All of the above

Answer 29

D - All of the above

Question 30

30. The bones of the lower limb include:
    a) Femur, tibia, and fibula
    b) Humerus, radius, and ulna
    c) Carpals, metacarpals, and phalanges
    d) Clavicle and scapula

Answer 30

A - Femur, tibia, and fibula