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
[{'content': 'Anaesthetic of choice for day care surgery is \nSelect and explain. \nA. Thiopentone, B. Nitrous oxide, C. Propofol, D. Halothane', 'role': 'user'}, {'content': 'Answer: C \nExplanation: “Propofol is parcularly suitable for day care surgery’ because residual impairment is less marked and shorter lasng Propofol\n\xa0Propofol is a milky white powder that is preservave free; therefore, it must be used within 6 hours. It is an oil based preparaon, therefore injecon is painful.\n\xa0Propofol is the most frequently used intravenous anaesthec today. — Miller 6 th /e-3l8 \xa0It can be used for both inducon as well as maintenace.\n\xa0It does not possess anconvulsive acon (unlike thiopentone),\n\xa0It causes fall in BP and bradycardia, o Like thiopental it does not possess muscle relaxant acon.\n\xa0Propofol possess significant anemec and anpruric acon. — Miller 6 th /e - 324\n\xa0Propofol decreases polymorphonuclear leukocyte chemotoxis but not aherence, phagocytosis and killing (Thiopentone blocks all these) increased life threatning infecons.\n\xa0Propofol is parcularly suitable for outpaent surgery. Intermient injecon or connuous infusion of propofol is frequently used for total iv. anaesthesia (TIVA) when supplemented by fentanyl.\n\xa0It is anaesthecs of choice for intubaon in ICU and for paents with malignant hyperthermia. \xa0Side effects - pain on injecon, myoclonus, apnea, X BP and rarely thrombophlebis,\n\xa0Propofol infusion syndrome A lethal syndrome, associated with infusion of propofol for 48 hours or longer.\nOccurs in children and crically ill It occurs as a result of failure of free fay acid metabolism and failure of the mitochondrial respiratory chain. Features are -\ncardiomyopathy with acute cardiac failure, metabolic acidosis, skeletal myopathy, hyperkalemia, hepatomegaly and lipemia', 'role': 'assistant'}]