Organ System Pathology USMLE Step 1 Practice Question
A 19-year-old college student presents with gross hematuria one day after acute pharyngitis onset. He reports three similar episodes over 2 years, each resolving spontaneously without intervention. Vital signs: BP 118/76 mmHg, HR 88/min, RR 16/min, Temp 37.8°C, SpO2 98% on room air. Serum complement levels are normal. Urinalysis shows dysmorphic RBCs and RBC casts. He denies rash or joint pain. Which of the following is the most likely diagnosis?
Answer choices
- AMinimal change disease
- BPoststreptococcal glomerulonephritis
- CMembranoproliferative glomerulonephritis
- DAlport syndrome
- EIgA nephropathyCorrect answer
- FThin basement membrane disease
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