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What is Pain is caused by injection of and explain in detail?
Ans. is 'd' i.e., Thiopentone Thiopentone is an ultrashort acting Barbiturate.It is usually given intravenously to achieve rapid induction of anaesthesia.Inadvertent intra-arterial injection or extravasation of Thiopentone leads to thrombosis and necrosis. This produces intense pain.