The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Tracheal secretions should be suctioned for:   (A) 10-15 seconds   (B) 60 seconds   (C) 30 seconds   (D) 3 minutes
['(A) 10-15 seconds <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 10-15 seconds \n (B) 60 seconds \n (C) 30 seconds \n (D) 3 minutes <> possible answers', '  Tracheal secretions should be suctioned for: <> context@']