Surgery 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 💡 Explanation How will you check the functioning of an ICD tube? ✓ Correct Answer: B. By observing the movement of air water column in the tube during respiration