A 38 year-old woman presents to her physician complaining of palpitations, insomnia and heat intolerance. On examination, her pulse is 110/min, blood pressure is 130/80 and her temperature is 99.1 F. She has fine tremors and bulging of her eyes. What is the most likely laboratory finding would confirm her diagnosis? A- High serum cortisol B- High serum thyroid stimulating hormone C- High serum prolactin D- Presence of thyroid-stimulating hormone receptor antibodies E- Presence of antinuclear antibodies Answer