A seventy year old patient is posted for a surgery which is likely to last 4-6 hours. The best inhalational agent of choice for maintenance of anesthesia in such a case is:

Anaesthesia

A seventy year old patient is posted for a surgery which is likely to last 4-6 hours. The best inhalational agent of choice for maintenance of anesthesia in such a case 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?