The following are multiple choice questions (with answers) about medical knowledge.   **Question:** 2, 3-BPG binds to sites of haemoglobin and the affinity for oxygen   (A) 4, decreases   (B) 1, decreases   (C) 4, increases   (D) 1, increases
['(B) 1, decreases <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 4, decreases \n (B) 1, decreases \n (C) 4, increases \n (D) 1, increases <> possible answers', '  2, 3-BPG binds to sites of haemoglobin and the affinity for oxygen <> context@']