This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'An i.v. bolus dose of thiopentone leads to loss of consciousness within 10-15 sec. The patient regains consciousness in just a few minutes. This is because it is: \nSelect and explain. \nA. Renally excreted, B. Exhaled rapidly, C. Rapidly metabolised by hepatic enzymes, D. Redistributed from brain to other body tissues', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (Ref: KDT 6/e p374) Thiopentone and other highly lipid soluble agent first reach the highly perfused organs like brain. therefore, onset of action of these agents is very quick. However, action also terminates quickly because of redistribution to less well perfused tissues like fat and muscle.', 'role': 'assistant'}]