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: Pharmacology
[{'content': 'An aminoglycoside with an outstanding feature of being little or not affected by majority of inacti vating enzymes is- \nSelect and explain. \nA. Gentamycin, B. Tobramycin, C. Amikacin, D. Sisomycin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Amikacin Amikacin has widest spectrum of activity amongst aminoglycosides as it has resistance to bacterial aminoglycoside inactivating enzymes.", 'role': 'assistant'}]