AP chapter 11

A fracture in the shaft of a bone is a break in the:

a. epiphysis.

b. periosteum.

c. diaphysis.

d. articular cartilage. - ANS_c. diaphysis.



Endosteum can be found:

a. lining the medullary cavity.

b. covering bones.

c. at articular surfaces.

d. lining the epiphysis. - ANS_a. lining the medullary cavity.



Muscle tendon fibers attach to bone by interlacing with:

a. compact bone.

b. ligaments.

c. periosteum.

d. endosteum. - ANS_c. periosteum



The organic matrix of bone consists of:

a. collagenous fibers.

b. protein.

c. polysaccharides.

, d. all of the above. - ANS_d. all of the above.



In bone formation, the cells that produce the organic matrix are the:

a. osteoblasts.

b. osteocytes.

c. osteoclasts.

d. chondrocytes. - ANS_a. osteoblasts.



The cells responsible for active erosion of bone minerals are called:

a. osteocytes.

b. osteoclasts.

c. osteoblasts.

d. osteomorphytes - ANS_b. osteoclasts



Which of the following is not one of the primary functions performed by bones?

a. Mineral storage

b. Protection

c. Hormonal production

d. Hematopoiesis - ANS_c. Hormonal production



The cell organelles that synthesize organic matrix substances in bone formation are:

a. mitochondria and Golgi apparatus.

b. ribosomes and Golgi apparatus.

c. endoplasmic reticulum and ribosomes.

d. endoplasmic reticulum and Golgi apparatus - ANS_d. endoplasmic reticulum and Golgi apparatus