Multiple Choice
When blood calcium levels fall, which of the following does NOT occur?
A) PTH is produced and activates vitamin D.
B) Vitamin D stimulates the kidney to reabsorb calcium from the blood.
C) PTH and vitamin D stimulate osteoblasts to break down bone.
D) Vitamin D increases the absorption of calcium from the intestines.
Correct Answer:

Verified
Correct Answer:
Verified
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