During ocular surgery, when eye surgeon touches the medial rectus, he asked to assistant to measure heart rate because of

Anaesthesia

During ocular surgery, when eye surgeon touches the medial rectus, he asked to assistant to measure heart rate because of

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?