Correct Answer -B Ans. is 'b' i.e., Benzodiazepines CNS stimulants are amphetamine, methylphenidate, atomoxetine, modafinil, cocaine, pemoline and caffeine

Correct Answer - D D i.e. Ischemic heart disease Ketamine causes profound analgesiaQ, disociative anesthesiaQ, and emergence psychomimetic hallucinations and delirium Q: Ketamine increases cerebral metabolism, 02 consumption, blood
flow & intracranial pressure.Q
Ketamine
* It causes profound analgesiaQ and dissociative anesthesiaQ (i.e. patient appears conscious e.g. eye opening, swallowing but unable to process or respond to sensory input). Ketamine causes Dissociative AnesthesiaQ by acting on cortex and subcortical areas (not on RAS) It feeling of dissociation from ones own body and surroundings. Post Operative Delirium and HallucinationQ is part of this Dissociative phenomenon. Drug of choice for post op. delirium & hallucination is Lorazepam.Q * It is closest to being a complete anesthetic since it induces analgesia, amnesia & unconsciousness * It iS associated with emergence psychotomimetic side effects (delirium, illusions, hallucination)@. It is less common in children and pretreatment with lorazepam (drug of choice)Q.