Glomerular Diseases USMLE Step 1 Practice Question
A 7-year-old girl presents with dark urine and facial puffiness for 3 days. Two weeks prior, she had impetigo on her legs treated with antibiotics. Vital signs: BP 128/82 mmHg, HR 98/min, RR 20/min, Temp 37.2°C, SpO2 98% on room air. Serum creatinine is 1.2 mg/dL; urinalysis shows hematuria and mild proteinuria. Serum complement C3 is low; C4 is normal. Which of the following is the most likely diagnosis?
Answer choices
- AIgA nephropathy
- BMembranous nephropathy
- CFocal segmental glomerulosclerosis
- DMinimal change disease
- EPoststreptococcal glomerulonephritisCorrect answer
- FHenoch-Schönlein purpura nephritis
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations â plus adaptive practice that targets your weak areas â with a free MedBoardPRO account.