<prompt> Which of the following drugs is contraindicated in a patient with raised intracranial pressure?ThiopentonePropofolMidazolamKetamine  <response>: Cerebral blood flow, metabolism, oxygen consumption and ICT all are increased by ketamine - ketamine is contraindicated in raised ICT.Refer: stoeltings pharmacology and physiology in anaesthetic practice, 5th edition, pg no.186-193 