Two patients are enrolled in a research study. One has a parathyroid adenoma. The other has a mutation in calcium-sensing receptors. Which of the following would best help differentiate these patients clinically?
Fecal calcium
Serum ALP
Serum calcium
Serum phosphate
Urinary calcium
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Cut-to-the-chase Answer (1:55):
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HY USMLE Answer (4:48):
