10 free PANRE practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
PANRE Practice Test 9Tutor mode
Question 1 of 10
Endocrine System
A 29-year-old woman, gravida 1, para 0, at 8 weeks of gestation comes to the office because of palpitations, heat intolerance and a 3-kg (7-lb) weight loss despite a good appetite. Temperature is 37.1°C (98.8°F), heart rate 112/min, respirations 16/min, blood pressure 126/70 mmHg, and oxygen saturation 99% on room air. She has a diffuse nontender goiter with a bruit, lid retraction and a fine tremor. TSH is below 0.01 µU/mL, free T4 is 3.9 ng/dL (0.8–1.8 ng/dL) and thyrotropin receptor antibodies are strongly positive. Propranolol is started for symptoms. Which of the following is the most appropriate additional pharmacotherapy?