This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Protein Synthesis Inhibitors, Subject name: Pharmacology
[{'content': 'Time dependent Killing is exhibited by all the following drugs except: \nSelect and explain. \nA. Ceftriaxone, B. Vancomycin, C. Gentamicin, D. Meropenem', 'role': 'user'}, {'content': 'Answer: C \nExplanation: * Time dependent killing(TDK) : Here, the killing activity depends upon the length of time, plasma concentration is above MIC. It is shown by:* Beta Lactams.* Vancomycin Concentration dependent killing(CDK) : Here, killing activity depends upon the ratio of plasma concentration to MIC.It is shown by:* Aminoglycosides.* Flouroquinolone* MetronidazoleSo, Gentamicin is the answer.', 'role': 'assistant'}]