A decrease in plasma calcium ion levels in an otherwise normal person will lead to
A) An increase in plasma parathyroid hormone levels
B) An increase in plasma 1,25-dihydroxyvitamin D3 levels
C) An increase in nerve and muscle excitability
D) An increase in plasma parathyroid hormone levels and an increase in plasma 1,25-dihydroxyvitamin D3 levels
E) All of the choices are correct
Correct Answer:
Verified
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