<prompt> A case of A comes to the emergency. On examination there is evidence of head injury, BP is 9060 mmHg, and pulse is 150 min. Which of the following anaesthetic agent should be used for induction?ThiopentoneKetamineHalothanesuccinylcholine  <response>: Anaesthetic agents which are indicated in a case of head injury are Thopentone Lerebroprotective, Propofol, Etomsdate Protection against circulatory depression or Isoflurane. Muscle relaxants which are useful includes Rocuroniumvecuronium, Pipecuronium Ketamine, Succinylcholine, Halothane all increases ICT. Ref: Miller;s Anesthesia, 6th Edition, Page 2602; Fundamentals of Anaesthesia By Tim Smith, Colin Pinnock, Ted Lin, 3rd Edition, Page 92 