Skeletal System Test (Chapter 6)

1. The components of the skeletal system include:

A. Cartilage

B. Bone

C. Joints

D. All of the above

E. Only A & B

2. The functions of the skeletal system include:

A. Hematopoiesis

B. Protection

C. Mineral storage

D. All of the above

E. Only B & C

3. Which type of cartilage forms the external ear?

A. Hyaline

B. Elastic

C. Fibrocartilage

D. Articular cartilage

E. Costal cartilage

4. Which type of cartilage attaches the ribs to the sternum?

A. Respiratory cartilage

B. Elastic cartilage

C. Fibrocartilage

D. Articular cartilage

E. Costal cartilage

5. Intervertebral discs are formed with:

A. Hyaline cartilage

B. Elastic cartilage

C. Fibrocartilage

D. Articular cartilage

E. Costal cartilage

6. The type of cartilage that withstands heavy pressure and tensile forces is called:

A. Hyaline cartilage

B. Elastic cartilage

C. Fibrocartilage

D. Articular cartilage

E. Costal cartilage

7. The type of cartilage which covers the ends of long bones and moveable joints is called:

A. Hyaline cartilage

B. Elastic cartilage

C. Fibrocartilage

D. Articular cartilage

E. Costal cartilage

8. The patella is an example of which type of bone?

A. Long bone

B. Short bone

C. Sesamoid bone

D. Flat bone

E. Irregular bone

9. Most of the carpal bones are examples of which type of bone?

A. Long bone

B. Short bone

C. Sesamoid bone

D. Flat bone

E. Irregular bone

10. The femur is an example of which type of bone?

A. Long bone

B. Short bone

C. Sesamoid bone

D. Flat bone

E. Irregular bone

11. A cervical vertebra is an example of which type of bone?

A. Long bone

B. Short bone

C. Sesamoid bone

D. Flat bone

E. Irregular bone

12. The parietal bone of the cranium is an example of which type of bone?

A. Long bone

B. Short bone

C. Sesamoid bone

D. Flat bone

E. Irregular bone

13. The shaft of a long bone is also called the bone’s:

A. Diaphysis

B. Epiphysis

C. Medullary cavity

D. Epiphyseal plate

14. Which Greek word translates, “Dried up body”?

A. Diaphysis

B. Epiphysis

C. Bone

D. Skeleton

E. Corpse

15. “Bone” can be a type of:

A. Cell

B. Tissue

C. Organ

D. All of the above

E. Only A & C

16. The axial skeleton is made of 80 bones from the:

A. Skull (cranial and facial)

B. Vertebrae

C. Pelvis

D. All of the above

E. Only A & B

17. Red bone marrow can be found in the:

A. Epiphysis

B. Diaphysis

C. Medullary cavity

D. Epiphyseal plate

E. A & C

18. Diploe is found in which type of bone?

A. Lamellar

B. Flat

C. Long

D. Sesamoid

E. None of the above

19. Long bone growth occurs at the:

A. Epiphysis

B. Diaphysis

C. Medullary cavity

D. Epiphyseal plate

E. C & D

20. What is the white, double membrane structure which covers bone?

A. Sharpey’s fibers

B. Elastin fibers

C. Periosteon

D. Periosteum

E. None of the above

21. Which type of osseous cell dissolves bone?

A. Osteoblast

B. Osteoclast

C. Osteon

D. Osteocyte

22. Which type of osseous cell lays down new bone?

A. Osteoblast

B. Osteoclast

C. Osteon

D. Osteocyte

23. Where in or on the bone does bone remodeling occur?

A. Under the periosteum

B. On a bony callus

C. Between Sharpey’s fibers

D. All of the above

E. Only A & B

24. Which osseous cell releases the enzyme alkaline phosphatase during bone remodeling?

A. Osteoblast

B. Osteoclast

C. Osteon

D. Osteocyte

E. None of the above

25. Which bone would contain trabeculae?

A. Temporal bone of the cranium

B. Femur

C. Humorous

D. Patella

E. None of the above

True or False

26. Sharpey’s fibers hold lamellae together.

27. Osteocytes can be found in lacunae.

28. Lamellar bone can be found on the external surfaces of bone.

29. A lamella is a ring of bone in a Haversian system

30. Volkmann’s canal runs vertically in bone

31. Haversian canals run horizontally in bone

32. Canaliculi contain gap junctions between osteocytes

33. The mineral salts which bone is made from are called Hydroxyapatites

34. A tuberosity is a prominent narrow ridge

35. A trochanter can only be found on the femur

36. A foramen is a round or oval opening through a bone

37. A rounded articular projection is called a ramus

38. Parathyroid hormone increases osteoclast activity

39. Calcitonin increases osteoblast activity

40. Children often receive a greenstick fracture when falling

41. A closed fracture can break the epidermal layer

42. Hematoma formation is the first step in fracture healing

43. Depressed fractures usually occur in the cranial bones

44. A fossa is a narrow slit like opening

45. A meatus is a canal like passageway

46. Vertebrae usually receive compression fractures

47. Spiral fractures usually result due to twisting forces

48. The final step in fracture healing is bone remodeling

49. In a comminuted fracture the epiphysis separates from the diaphysis

50. The bone in the picture below is called cancellous