Following a left sided pneumonectomy, a left intercostal drain is placed and connected to an underwater drainage system. In the postoperative period
A. A leakage of air is expected from the drain
B. The patient should be nursed in the right lateral decubitus position
C. The underwater seal drain should be left on continuous free drainage
D. The underwater seal drain should be left on continuous free drainage, and connected to wall suction for 5 minutes every hour
E. The underwater seal drain should remain clamped and be released for a short period every hour
Answer: E