85 yr old man with carcinoma bronchus is given general anesthesia for an emergency laparotomy, post operatively neuromuscular monitoring shows delayed recovery; most probable cause is

Anaesthesia

85 yr old man with carcinoma bronchus is given general anesthesia for an emergency laparotomy, post operatively neuromuscular monitoring shows delayed recovery; most probable cause is

Allergy in immediate perioperative period is due to:

All of the following are true about lumbar puncture except:

Which of these is most commonly used as pre-anesthetic medication?