Anaesthesia – MCQ 16 – Anaesthetic drug causing pain on intravenous adminstration

The following anaesthetic drug causes pain on intravenous adminstration:
a) Midazolam
b) Propofol
c) Ketamine
d) Thiopentone sodium

Correct answer : b) Propofol

Inadvertent intra arterial injection of thiopentone sodium produces pain, not intravenous injection. Propofol causes pain with intravenous injection.