The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which among the following is not a risk factor for contrast-induced nephropathy?   (A) Diabetic nephropathy   (B) High osmolar agent   (C) Obesity   (D) Dehydration
['(C) Obesity <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Diabetic nephropathy \n (B) High osmolar agent \n (C) Obesity \n (D) Dehydration <> possible answers', '  Which among the following is not a risk factor for contrast-induced nephropathy? <> context@']