Multiple Choice
Osteoblasts do all of the following EXCEPT
A) Form the osteoid, or organic matrix of bone
B) Recruit osteoclasts from stem cells in the blood
C) Secrete M-CSF (macrophage colony stimulating factor) in response to PTH
D) Secrete osteoprotegrerin to block preosteoclast binding
E) Form resorption canals
Correct Answer:
Verified
Correct Answer:
Verified
Q9: The shaft of a long bone is
Q10: The organic matrix of bone contains all
Q11: PTH<br>A) Increases calcium reabsorption but not phosphate
Q12: Cells that are embedded deep in bone
Q13: The target bone cell for PTH is
Q14: Giant, multinucleated cells that resorb bone are
Q15: The most likely function of calbindin is<br>A)
Q16: CT receptors on osteoclasts<br>A) Operate through a
Q17: The target bone cell for CT is
Q18: Calcium entry across the brush border membrane