Acid-Base Disorders USMLE Step 1 Practice Questions
36 board-style USMLE Step 1 questions in Nephrology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · hard25. A 17-year-old girl is brought to the emergency department because of nausea, vomiting, and tinnitus after ingesting an unknown number of tablets during an argument with her pare…
- USMLE Step 1 · medium26. A 26-year-old man travels from Boston to a ski resort at 3500 meters elevation. On the second day he develops lightheadedness and paresthesias but is otherwise healthy. Arterial…
- USMLE Step 1 · medium27. A 69-year-old man with severe COPD presents with worsening dyspnea. Vital signs show BP 152/88 mm Hg, HR 102/min, RR 28/min, temperature 37.2°C, and SpO2 88% on room air. Arteri…
- USMLE Step 1 · medium28. A 58-year-old man with heart failure has been taking high doses of furosemide for several weeks. He comes to the clinic because of fatigue and muscle cramps. Laboratory studies…
- USMLE Step 1 · easy29. A 24-year-old woman is brought to the emergency department because of weakness and tingling around the mouth. She has had persistent vomiting for 4 days due to viral gastroenter…
- USMLE Step 1 · medium30. A 63-year-old man with long-standing diabetes mellitus comes to the clinic because of fatigue. Medications include lisinopril and ibuprofen as needed for back pain. Laboratory s…
- USMLE Step 1 · medium31. A 19-year-old man presents with growth delay, proximal muscle weakness, and polyuria. Vital signs show BP 105/68 mmHg, HR 88/min, RR 16/min, temp 37°C, SpO2 98% on room air. Lab…
- USMLE Step 1 · medium32. A 28-year-old woman comes to the clinic because of recurrent kidney stones and progressive muscle weakness. She has a history of Sjogren syndrome. Laboratory studies show serum…
- USMLE Step 1 · medium33. A 46-year-old man presents with 3 days of weakness and lightheadedness following broad-spectrum antibiotic initiation. He reports profuse watery diarrhea. Vital signs: BP 118/76…
- USMLE Step 1 · hard34. A 34-year-old woman presents with 2 days of profuse diarrhea after returning from a camping trip. Vital signs show BP 98/62 mm Hg, HR 108 bpm, RR 22/min, temperature 37.2°C, and…
- USMLE Step 1 · easy35. A 67-year-old man is admitted with septic shock from pneumonia. He is confused and tachypneic. Arterial blood gas shows pH 7.19, PaCO2 28 mm Hg, and HCO3− 11 mEq/L. Serum electr…
- USMLE Step 1 · easy36. A 22-year-old woman with type 1 diabetes is brought to the emergency department because of abdominal pain and progressive lethargy for 1 day. She has had polyuria and polydipsia…