You are "shadowing" an endocrinologist who is examining a patient complaining of weakness, weight loss, and heat intolerance. The doctor points out the patient's obvious exophthalmos and asks for your diagnosis. What would you speculate is the patient's problem?
A. Hypersecretion of parathyroid hormone
B. Hyposecretion of calcitonin
C. Hypersecretion of thyroid hormone
D. Hyposecretion of thyroid hormone
E. Hyposecretion of parathyroid hormone
Answer: C
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