Skeletal System
True/False
Indicate whether the statement is true or false.
____
1. The tarsal bones form the bones of the wrist.
____
2. The appendicular skeleton consists of the parts that support and protect the head, neck, and trunk.
____
3. Vitamin D is needed for the proper absorption of calcium in the small intestine.
____
4. The importance of fontanels in the infant's skull is to permit some movement of bones, thereby
enabling the infant to pass more easily though the birth canal.
____
5. Osteocytes become osteoblasts when they are completely surrounded by bony matrix.
____
6. A meniscus functions to cushion articulating surfaces of bones.
____
7. Synovial fluid moistens and lubricates the cartilaginous surfaces within a joint.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
8. Which of the following is NOT a step in the formation of endochondral bone?
a. Osteoblasts deposit osseous tissue in place of disintegrating cartilage.
b. Periosteum forms from connective tissue on the outside of the developing bone.
c. Hyaline cartilage changes to adipose tissue.
d. Hyaline cartilage develops into the shape of the future bone.
____
9. An osteocyte is a
a. bone building cell.
b. bone destroying cell.
c. bone cell surrounded by matrix.
d. bone marrow cell.
____ 10. An osteoblast is a
a. bone building cell.
b. bone destroying cell.
c. bone cell surrounded by matrix.
d. bone marrow cell.
____ 11. Red bone marrow functions in the formation of
a. white blood cells only.
c. red and white blood cells and platlets.
b. red and white blood cells only.
d. red blood cells only.
____ 12. Bones that develop between sheet-like layers of connective tissue are called
a. endochondral bone.
c. cartilagenous bone.
b. intramembranous bone.
d. osteoclastic bone.
____ 13. The microscopic bony chambers that house mature bone cells are called
a. lacunae
c. haverson canals
b. caniculi
d. osteonic systems
____ 14. Which of the following bones is not included within the lower limb?
a. tibia
c. humerus
b. femur
d. fibula
____ 15. The joints between the vertebrae of the backbone are best described as
a. immovable
c. freely movable
b. slightly moveable
d. synovial
____ 16. The joint of the scapula and humerus is a ______________ joint.
a. fibrous
d. hinge
b. condyloid
e. gliding
c. ball and socket
____ 17. Which of the following would not be found in a synovial joint?
a. hyaline cartilage
d. bursae
b. acytaline
e. joint capsule
c. menisci
____ 18. Which of the following is NOT included in the appendicular skeleton?
a. pectoral girdle
c. lower limbs
b. pelvic girdle
d. ribs
____ 19. The cells responsible for removing excess bone tissue after the fracture repair process are
a. osteoclasts
d. chondrocytes
b. fibroblasts
e. osteoblasts
c. osteocytes
____ 20. The degenerative joint disease osteoarthritis may develop as a result of softening of the
a. diaphysis.
c. epiphyseal disk.
b. articular cartilage.
d. endosteum
____ 21. The first step in forming endochondral bone from cartilage is
a. formation of a medullary cavity.
b. invasion of blood vessels to supply nutrients for growth.
c. calcified cartilage and development of the periosteum.
d. formation of the ephyseal plate.
Matching
Match the terms with the descriptions below. Each term may be used once, more than once, or not at all.
a. fibrous joint
e. hinge joint
b. cartilagenous joint
f. pivot joint
c. ball and socket joint
g. saddle joint
d. gliding joint
h. condyloid joint
____ 22. type of joint found in the symphis pubis or between vertebrae
____ 23. bone with a globular or egg-shaped head articulating with the cup-shaped cavity of another bone
____ 24. articulating surfaces have both concave and convex areas with a wide range of motion
____ 25. found in the skull
____ 26. convex shape fits into a concave surface limiting sideways movement
____ 27. ovoid condyle fitting into an elliptical cavity
____ 28. immovable
____ 29. cylindrical surface rotates within a ring of bone and fibrous tissue
Short Answer
30. A long bone grows in thickness as bone tissue is deposited beneath its ________________________.
31. The basic parts of a(an) _____________________________________________ include a rod,
fulcrum, weight, and force.
32. If the arm is considered a lever, then the elbow joint would be the ______________________.
Skeletal System
Answer Section
TRUE/FALSE
1.
2.
3.
4.
5.
6.
7.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
F
F
T
T
F
T
T
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
C
C
A
C
B
A
C
B
C
B
D
A
B
C
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
B
C
G
A
E
H
A
F
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
MULTIPLE CHOICE
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
MATCHING
22.
23.
24.
25.
26.
27.
28.
29.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
SHORT ANSWER
30. ANS:
periosteum
PTS: 1
31. ANS:
lever
PTS: 1
32. ANS:
fulcrum
PTS: 1