When blood calcium levels are low
A. ostoclast activity increases.
B. calcitonin secretion increases.
C. bones produce more bone tissue.
D. calcium absorption is reduced.
E. osteoblast activity increases.
(
Question 2) When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damaged bone tissue. Which of the following does this?
A. osteoblasts
B. osteocytes
C. osteoclasts
D. osteons
E. matrix cells
(
Question 3) The radiologist informs Mathew that his fracture has not penetrated the skin, meaning Mathew has a(an)
A. composite fracture.
B. open fracture.
C. irregular fracture.
D. complicated fracture.
E. closed fracture.
(
Question 4) A bone fracture in which the two bone sections do not separate is a(an)
A. closed fracture.
B. hairline fracture.
C. open fracture.
D. impaction fracture.
E. comminuted fracture.
(
Question 5) The collar that forms around the opposing ends of bone fragments is called a(n)
A. osteon.
B. epiphysis.
C. hematoma.
D. internal callus.
E. external callus.
(
Question 6) Miguel falls out of a tree and breaks his fall by putting his arm out, fracturing his radius and ulna. What specific type of bone fracture is Miguel most likely to have?
A.
dentate fracture
B.
impaction fracture
C.
spiral fracture
D.
complicated fracture
E.
none of these
(
Question 7) Bone remodeling may occur
A. as bones grow.
B. as bones adjust to stress.
C. as fractures heal.
D. constantly during a person's lifetime.
E. All of these choices are correct.
(
Question 8) A bone fracture generally found in children that is incomplete is a(an)
A. complicated fracture.
B. greenstick fracture.
C. dentate fracture.
D. hairline fracture.
E. spiral fracture.
(
Question 9) The proper sequence of events in bone repair is
A. remodeling of bone, callus ossification, hematoma formation, callus formation.
B. callus formation, hematoma formation, callus ossification, remodeling of bone.
C. hematoma formation, callus ossification, callus formation, remodeling of bone.
D. hematoma formation, callus formation, callus ossification, remodeling of bone.
E. callus ossification, callus formation, remodeling of bone, hematoma formation.
(
Question 10) What structure forms between the ends of a broken bone and also the marrow cavities?
A. external callus
B. compact bone
C. internal callus
D. hematoma
Quick Reply
