6.6 Bone Remodeling

Question 1

process involving bone formation and destruction in response to hormonal and mechanical factors

Answer 1

Bone remodeling

Question 2

the removal of osseous tissue; part of the continuous remodeling process
*function of osteoclasts

Answer 2

Bone resorption

Question 3

What are the controls of remodeling?

Answer 3

Hormonal and Mechanical stress

Question 4

produced by parathyroid glands; removes calcium from bone regardless of bone integrity

Answer 4

Parathyroid hormone (PTH)

Question 5

produced by parafollicular cells of thyroid gland; in high doses lowers blood calcium levels temporarily

Answer 5

Calcitonin

Question 6

Too low calcium levels in the blood results in what?

Answer 6

Hyperexcitability

Question 7

Too high calcium levels in the blood results in what?

Answer 7

Nonresponsiveness

Question 8

Hormonal control of blood Ca2+ determines what about the remodeling?

Answer 8

If and when it occurs

Question 9

Mechanical stress on the bones determines what about the remodeling?

Answer 9

Where it will occur