questions
1. Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes. -
CORRECT ANSWERS-TRUE
2. The most abundant skeletal cartilage type is ________. - CORRECT ANSWERS-Hyaline
3. Cartilage grows in two ways, appositional and interstitial. What is appositional growth? -
CORRECT ANSWERS-the secretion of new matrix against the external face of existing
cartilage
4. Which of the following statements best describes interstitial growth? - CORRECT
ANSWERS-Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage
to grow from within.
5. Bones are classified by whether they are weight bearing or protective in function. -
CORRECT ANSWERS-False
6. A bone embedded in a tendon is called a(n)________ bone. - CORRECT ANSWERS-
sesamoid
7. Hematopoiesis refers to the formation of blood cells within the red marrow cavities of
certain bones. - CORRECT ANSWERS-TRUE
8. Yellow bone marrow contains a large percentage of ________. - CORRECT ANSWERS-
fat.
9. Which of the following is not a function of the skeletal system? - CORRECT ANSWERS-
communication
, 10. Bones are covered and lined by a protective tissue called periosteum. The inner
(osteogenic) layer consists primarily of ________. - CORRECT ANSWERS-osteoblasts
and osteoclasts
11. Blood cell formation is called ________. - CORRECT ANSWERS-hematopoiesis
12. The periosteum is a tissue that serves only to protect the bone because it is not supplied
with nerves or blood vessels. - CORRECT ANSWERS-False
13. Short, irregular, and flat bones have large marrow cavities in order to keep the weight of
the bones light. - CORRECT ANSWERS-False
14. The structural unit of compact bone (osteon) resembles the growth rings of a tree trunk. -
CORRECT ANSWERS-True
15. The term osteoid refers to the organic part of the matrix of compact bones. - CORRECT
ANSWERS-True
16. Sixty-five percent of the mass of bone is a compound called hydroxyapatite. - CORRECT
ANSWERS-True
17. An osteon contains osteocytes, lamellae, and a central canal, and is found in compact
bone only. - CORRECT ANSWERS-True
18. The trabeculae of spongy bone are oriented toward lines of stress. - CORRECT
ANSWERS-True
19. Each consecutive bone lamella has collagen fibers that wrap in alternating directions. -
CORRECT ANSWERS-True