A 40-year-old man presents to the physician for a routine health maintenance examination. Palpation of the thyroid gland reveals a nodule. TSH is within normal limits. Biopsy with Congo red staining confirms the diagnosis. Serum studies demonstrate elevation of a particular hormone. Which of the following is the most likely normal function of this hormone?
Inhibition of osteoclasts
Maintenance of corpus luteum
Myelin development in neonates
Stimulation of Leydig cells
Stimulation of Sertoli cells
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Cut-to-the-chase Answer (0:31):
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HY USMLE Answer (4:33):
