a) Cocaine
b) Procaine
c) Xylocaine
d) Bupivacaine
The correct answer is : A. Cocaine
All local anaesthetics except cocaine are synthetic compounds and they are vasodilating in nature. Cocaine is a natural local anaesthetic agent and causes local vasoconstriction.
(Cocaine increases the vasoconstrictive action of adrenaline. If LA with adrenaline is given risk of death is more in cocaine abusers. So they are known as 'walking time bombs.'
No comments:
Post a Comment
Add Your Comments or Feedback Here