Agents used for anaesthesia are generally metabolized by liver and eliminated by kidney. Which of the following anaesthetic agent is NOT metabolized by body?

Anaesthesia

Agents used for anaesthesia are generally metabolized by liver and eliminated by kidney. Which of the following anaesthetic agent is NOT metabolized by body?

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?