Endocrinology Quiz #7: Thyroid and Parathyroid Hormones

1. A 35-year-old woman presents with weight loss, heat intolerance, and palpitations. On physical examination, her heart rate is 110 beats per minute, and she has a fine tremor. Laboratory tests reveal low thyroid-stimulating hormone (TSH) and high free thyroxine (T4) levels. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 60-year-old man presents with bone pain and constipation. Laboratory tests reveal elevated serum calcium, low serum phosphate, and elevated parathyroid hormone (PTH) levels. Which of the following is the most likely diagnosis?

Question 2 of 5

3. A 25-year-old woman presents with fatigue and weight gain. Laboratory tests reveal elevated TSH and low free T4 levels. Which of the following is the most appropriate initial treatment?

Question 3 of 5

4. A patient with chronic kidney disease develops secondary hyperparathyroidism. Which of the following laboratory findings is most likely associated with this condition? 

Question 4 of 5

5. A 32-year-old man presents with nervousness, weight loss, and an enlarged thyroid gland on examination. He also reports increased appetite and sweating. Which of the following antibodies is most likely to be positive in this patient? 

Question 5 of 5


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