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UTA. A&P1 EXAM 2 REVIEW QUESTIONS WITH CORRECT ANSWERS
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UTA. A&P1 EXAM 2 REVIEW
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UTA. A&P1 EXAM 2 REVIEW____ are concentric layers of the bone that form in an osteon. - answerlamellae
_______ is a group of diseases in which bone resorption outpaces bone deposition.
a) Diabetes
b) Osteoporosis
c) Leukemia
d) Osteopenia - answerb) Osteoporosis
As cells divide, what happens to the epiphysis in epiphyseal bone growth?
a) The epiphysis is pushed towards the diaphysis.
b) The epiphysis is pushed away from the diaphysis.
c) The epiphysis is pushed to the side of the diaphysis.
d) The epiphysis does not move. - answerb) The epiphysis is pushed away from the
diaphysis.
Bone fractures can be classified based on?
a) Location
b) Nature of the break
c) End position of the bone after fracture
d) If bone penetrates the skin or not
e) All of the above - answere) All of the above
Compact bone is made up of _____.
a) osteons
b) fibrocytes
c) trabeculae
d) calculi - answera) osteons
During endochondral ossification which cell breaks down the bone to from the medullary
cavity?
a) osteoclasts
b) osteoblasts
c) osteocytes
d) osteogenic cells - answera) osteoclasts
During endochondral ossification, what does bone develop from?
a) fibrous membrane
b) mesenchymal cells
c) hyaline cartilage
, d) none of the above - answerc) hyaline cartilage
During long bone formation, calcification of the _____ begins before any other region of
the bone.
a) epiphysis
b) diaphysis
c) epiphyseal line
d) metaphysis - answerb) diaphysis
Growth during infancy and childhood is most heavily influenced by what hormone?
a) growth hormone
b) testosterone
c) thyroid hormone
d) insulin - answera) growth hormone
How does calcium play a significance role in endochondral ossification?
a) It aids in communication b/w osteocytes.
b) It supplies CO2, nutrients, and oxygenated blood to the osteon.
c) It's what physically hardens the bone matrix.
d) Prevents blood from leaking out as a result of damaged vessels when fractured. -
answerc) It's what physically hardens the bone matrix.
In bone remodeling what is the name of the bone cell that deposits as old bone is
resorbed?
a) Osteoblast
b) Osteoclast
c) Osteolysis
d) Osteogenesis - answera) Osteoblast
In which zone do cartilage cells undergo mitosis while at the epiphyseal plate?
a) Proliferation
b) Calcification
c) Hypertrophic
d) Ossification - answera) Proliferation
In which zone does old cartilage cells begin to enlarge?
a) Ossification zone
b) Proliferation zone
c) Calcification zone
d) Hypertrophic zone - answerd) Hypertrophic zone
Spongy bone is replaced roughly every ___ years, while compact bone is replaced
roughly every ____ years.
a) 5; 10
b) 2; 9
c) 4; 9
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