Endocrinology Quiz #18: Hypothyroidism and Hyperthyroidism

1. A 32-year-old woman presents to the clinic complaining of weight gain, constipation, and feeling cold all the time. On physical examination, her skin is dry and she has bradycardia. Laboratory tests show a high TSH level and a low free T4 level. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 45-year-old man presents with palpitations, weight loss despite an increased appetite, and heat intolerance. On examination, he has a fine tremor of the hands and an enlarged thyroid gland. Laboratory tests reveal low TSH and high free T4 levels. Which of the following is the most appropriate initial treatment for this condition? 

Question 2 of 5

3. A 28-year-old woman presents to the emergency department with severe anxiety, palpitations, and a high fever. She has a history of hyperthyroidism. Physical examination reveals tachycardia, hypertension, and a diffusely enlarged thyroid gland. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. A 60-year-old woman presents with fatigue, weight gain, and cold intolerance. She is found to have high cholesterol levels. Laboratory tests reveal elevated TSH and low free T4 levels. Which of the following additional findings is most likely associated with this patient's condition? 

Question 4 of 5

5. A 55-year-old man with a history of atrial fibrillation is diagnosed with hyperthyroidism. His physician decides to start him on an antithyroid medication. Which of the following medications also provides symptomatic relief of his palpitations in addition to treating his hyperthyroidism? 

Question 5 of 5


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