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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Drug, NOT metabolised by liver is :
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The correct answer is  Ans. is 'a' Penicillin G Penicillin G is metalized mainly in kidneyApproximately 10% of the drug is eliminated by glomerular filtration and 90% by tubular secretionRest of the drugs given in the question erythromycin, cimetidine and phenytoin are metabolized in the liver.