Anaesthesia A 45 year old male with h/o smoking is scheduled for elective surgery. All are true except A Effect of nicotine on aoic and carotid bodies can increase sympathetic tone B Carbon monoxide shift 02-lib dissociation curve to right C Muscle relaxant dose requirements are increased D Smoking dereases surfactant levels 💡 Explanation A 45 year old male with h/o smoking is scheduled for elective surgery. All are true except ✓ Correct Answer: B. Carbon monoxide shift 02-lib dissociation curve to right