Which would NOT be caused by a decrease in plasma Ca2+ levels in an otherwise normal person?

A. An increase in bone density
B. A decrease in the filtered load of Ca2+
C. An increase in plasma 1,25-dihydroxyvitamin D3 levels
D. An increase in plasma parathyroid hormone levels
E. An increase in nerve and muscle excitability


Answer: A

Anatomy & Physiology

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