🔖Practice question #68
A 34-year-old woman goes to her primary care physician complaining of visual changes and a recent feeling that "her heart was racing." During the interview, the physician notices that the patient is clearly anxious. During the review of systems, the patient reveals a recent unintentional 4 kg (8.8 lb) weight loss. On physical examination, the physician notes that the patient is tachycardic and has 2+ nonpitting edema in her lower extremities. Which of the following is the most likely etiology of this disease?
A) Autoantibodies to the thyroid-stimulating hormone receptor
B) Circulating antibodies to thyroid peroxidase and thyroglobulin
C) Hyperfunctioning thyroid nodule
D) Iodine deficiency
E) Reaction to radiation
Source: usmle_rx_qbank #2017 #immunology
A 34-year-old woman goes to her primary care physician complaining of visual changes and a recent feeling that "her heart was racing." During the interview, the physician notices that the patient is clearly anxious. During the review of systems, the patient reveals a recent unintentional 4 kg (8.8 lb) weight loss. On physical examination, the physician notes that the patient is tachycardic and has 2+ nonpitting edema in her lower extremities. Which of the following is the most likely etiology of this disease?
A) Autoantibodies to the thyroid-stimulating hormone receptor
B) Circulating antibodies to thyroid peroxidase and thyroglobulin
C) Hyperfunctioning thyroid nodule
D) Iodine deficiency
E) Reaction to radiation
Source: usmle_rx_qbank #2017 #immunology