Calcium and Parathyroid USMLE Step 1 Practice Questions
56 board-style USMLE Step 1 questions in Endocrinology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · hard49. A 28-year-old woman undergoes routine laboratory testing and is found to have a serum calcium of 11.1 mg/dL on repeated occasions. She denies polyuria, bone pain, or nephrolithi…
- USMLE Step 1 · hard50. A 14-year-old girl presents with progressive muscle cramps and perioral paresthesias. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. Physical examination reveals sho…
- USMLE Step 1 · hard51. A 49-year-old woman with end-stage kidney disease underwent successful renal transplantation two years ago. She now presents with fatigue and polyuria. Vital signs: BP 148/92, H…
- USMLE Step 1 · medium52. A 63-year-old man with stage 4 chronic kidney disease presents with diffuse bone pain and severe pruritus. Vital signs: BP 158/92 mmHg, HR 88/min, RR 16/min, Temp 37°C. Laborato…
- USMLE Step 1 · medium53. A 61-year-old woman presents with progressive fatigue, constipation, and diffuse bone pain for 3 months. Vital signs: BP 138/88, HR 92, RR 16, Temp 37°C, SpO2 98%. Hand radiogra…
- USMLE Step 1 · easy54. A 58-year-old woman presents with recurrent nephrolithiasis and progressive diffuse bone pain. Vital signs: BP 138/82, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Laboratory studies re…
- USMLE Step 1 · easy55. A 42-year-old man presents with resistant hypertension (BP 168/102 mmHg, HR 88/min) and fatigue. Laboratory studies reveal hypokalemia (K+ 3.1 mEq/L), metabolic alkalosis (HCO3-…
- USMLE Step 1 · hard56. A 37-year-old woman with bipolar disorder on lithium presents with several months of polyuria and polydipsia. Vital signs show BP 128/82, HR 88, RR 16, temperature 37°C, and SpO…