Multiple Choice
Which would NOT be caused by a decrease in plasma Ca²⁺ levels in an otherwise normal person?
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) A decrease in the filtered load of Ca²⁺
E) An increase in bone density
Correct Answer:

Verified
Correct Answer:
Verified
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