The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In chronic renal failure : a) Urine output is more than 3 litres per dayb) Urine concentration is decreasedc) Sodium conservation is poord) Polycythemia is present   (A) a   (B) c   (C) bc   (D) ad
['(C) bc <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) a \n (B) c \n (C) bc \n (D) ad <> possible answers', '  In chronic renal failure : a) Urine output is more than 3 litres per dayb) Urine concentration is decreasedc) Sodium conservation is poord) Polycythemia is present <> context@']