This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
All of the following about thiopentone are true except? 
Select and explain. 
A. It decreases ICT, B. It has anticonvulsant action, C. IV injection is painless, D. It can cause reflex tachycardia
C: IV injection is painless
Answer: C: IV injection is painless 
Explanation: Ans. is 'c' i.e., IV injection is painless