The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Presented edema, oliguria and frothy urine. He has no past history of similar complaints. On examination, his urine was positive for 3+ proteinuria, no RBCs/WBCs and no casts. His serum albumin was 2.5 gm/L and serum creatinine was 0.5 mg/dL. The most likely diagnosis is:   (A) Minimal change disease   (B) IgA nephropathy   (C) Interstitial nephritis   (D) Membranous nephropathy
['(A) Minimal change disease <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Minimal change disease \n (B) IgA nephropathy \n (C) Interstitial nephritis \n (D) Membranous nephropathy <> possible answers', '  Presented edema, oliguria and frothy urine. He has no past history of similar complaints. On examination, his urine was positive for 3+ proteinuria, no RBCs/WBCs and no casts. His serum albumin was 2.5 gm/L and serum creatinine was 0.5 mg/dL. The most likely diagnosis is: <> context@']