During induction of general anesthesia, administration of oxygen with high concentration of nitrous oxide and halothane hastens the uptake of halothane, this is known as

Anaesthesia

During induction of general anesthesia, administration of oxygen with high concentration of nitrous oxide and halothane hastens the uptake of halothane, this is known as

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?