What electrolyte affects parathyroid hormone (PTH) secretion other than calcium?
A) Magnesium
B) Sodium
C) Potassium
D) Zinc
A
Feedback:
Another electrolyte—magnesium—also affects PTH secretion by mobilizing calcium and inhibiting the release of PTH when concentrations rise above or fall below normal. Sodium, potassium, and zinc do not affect PTH function.
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