Author Question: Aging in women results in a gradual loss of bone mass for several reasons, including A. poor ... (Read 52 times)

Alygatorr01285 · **on:** Aug 20, 2018

Aging in women results in a gradual loss of bone mass for several reasons, including

A. poor vitamin D production.
B. poor calcium absorption.
C. increased estrogen production.
D. All of the above
E. A and B

Question 2

Calcitonin and parathyroid hormone play opposite roles in calcium homeostasis such that

A. calcitonin increasesand parathyroid hormone decreasesblood calcium levels.
B. calcitonin decreasesand parathyroid hormone increasesblood calcium levels.
C. calcitonin is secreted when blood calcium levels are low and parathyroid hormone is secreted when blood calcium levels are high.
D. calcitonin increases calcium absorption in the intestines and parathyroid hormone decreases calcium absorption in the intestines.