Multiple Choice
Control of vitamin D activation is accomplished by
A) PTH control of the liver 25 hydroxylase
B) PTH control of the liver 1 hydroxylase
C) PTH control of the kidney 25 hydroxylase
D) PTH control of the kidney 1 hydroxylase
E) Feedback inhibition of the liver 1 hydroxylase by vitamin D
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The largest sink for phosphorus leaving the
Q2: PTH is a<br>A) Single chain peptide hormone
Q3: Positive calcium balance means<br>A) Your bones are
Q5: Calcitonin is secreted as a<br>A) Single chain
Q6: The precursor for vitamin D in the
Q7: Negative calcium balance means<br>A) Your bones are
Q8: The largest pool of calcium in the
Q9: The stimuli for calcitonin secretion include<br>A) Hypercalcem
Q10: PTH originates from<br>A) Four small glands embedded
Q11: Calcitonin is secreted by<br>A) Four small glands