The following are multiple choice questions (with answers) about medical knowledge.   **Question:** How will you check the functioning of an ICD tube?   (A) By observing for continuous air bubbles coming out of the underwater drain   (B) By observing the movement of air water column in the tube during respiration   (C) By taking X ray chest repeatedly   (D) By auscultation
['(B) By observing the movement of air water column in the tube during respiration <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) By observing for continuous air bubbles coming out of the underwater drain \n (B) By observing the movement of air water column in the tube during respiration \n (C) By taking X ray chest repeatedly \n (D) By auscultation <> possible answers', '  How will you check the functioning of an ICD tube? <> context@']