UNLV KIN 223 EXAM 3 Questions And Actual Answers.

UNLV KIN 223 EXAM 3 Questions And
Actual Answers.
The secondary ossification center in a long bone is located in the



A) diaphysis.

B) metaphysis.

C) periosteum.

D) epiphysis. - Answer D



Endochondral ossification begins with a(n) _________ model.



A) osteoid

B) hyaline cartilage

C) membranous

D) mesenchyme

E) dense connective tissue - Answer B



The bones of the fingers and toes (phalanges) are categorized as _____ bones.



A) sesamoid

B) short

C) irregular

D) long

E) flat - Answer D



Parathyroid hormone and calcitriol

, A) stimulate osteoblasts to deposit bone by producing calcified matrix.

B) stimulate osteoclasts to move calcium from the blood and into the bone.

C) stimulate osteoblasts to resorb bone and lower blood calcium levels.

D) stimulate osteoclasts to resorb bone and release calcium into the blood. - Answer D



Which is not a function of bone?



A) Mineral storage

B) Body movement

C) Hemopoiesis

D) Protection

E) Hormone synthesis - Answer E



Flat bones



A) include the bones of the wrist that glide across each other.

B) have a diaphysis and an epiphysis.

C) are, by definition, not at all curved.

D) protect underlying soft tissue and may be slightly curved.

E) have elaborate shapes, and sometimes resemble sesame seeds. - Answer D



Which region of a growing bone contains the epiphyseal plate?



A) Periphysis

B) Distal epiphysis

C) Proximal epiphysis

D) Diaphysis

E) Metaphysis - Answer E