Hypothyroidism Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 31-year-old man comes to the physician complaining of neck pain for the past week. The pain is located mainly in the neck, but states that it travels to the jaw at times. He experienced episodes of palpitations and anxiety-attacks for several weeks, which resolved spontaneously one week ago. Past medical history is significant for Crohn disease, which is well-managed with diet. The patient’s father had thyroid cancer at the age of 77. Temperature is 37.0°C (98.6°F), pulse is 82/min, blood pressure is 124/88 mm Hg, and BMI is 20 kg/m2. Palpation of the neck causes severe pain for the patient. The thyroid gland is asymmetrically enlarged. Laboratory studies show the following:  

 
 Laboratory value  Result 
 Sodium   137 mEq/L 
 Potassium   4.8 mEq/L 
 Chloride   99 mEq/L 
 Creatinine   0.6 mg/dL 
 Glucose  89 mEq/L 
 ESR  46 mm/h 
 TSH  6.8 μU/mL 
 Anti-thyroid peroxidase   Negative 
 Anti-thyroglobulin antibody  Negative  
 
A biopsy of the thyroid gland is performed and shows diffuse infiltration with lymphocytes and giant cells forming noncaseating granulomas, as well as disruption and collapse of thyroid follicles. Further evaluation of this patient will most likely reveal which of the following?

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