Which IV anesthetic causes increased cerebral blood flow and cerebral metabolic rate? (E. REPEAT 2006)

Anaesthesia

Which IV anesthetic causes increased cerebral blood flow and cerebral metabolic rate? (E. REPEAT 2006)

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?