A 45 year – male presents with abrupt onset pain, weakness, loss of contour of shoulder and muscle wasting on 5deg day of tetanus toxoid immunization. Likely cause is:

Anaesthesia

A 45 year – male presents with abrupt onset pain, weakness, loss of contour of shoulder and muscle wasting on 5deg day of tetanus toxoid immunization. Likely cause 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?