Surgery In the immediate postoperative period, the common cause of respiratory insufficiency could be because of the following except: A Residual effect of muscle relaxant B Overdose of narcotic analgesic C Mild hypovolemia D Myocardial infarction 💡 Explanation In the immediate postoperative period, the common cause of respiratory insufficiency could be because of the following except: ✓ Correct Answer: C. Mild hypovolemia