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': 'All of the following drugs are bacteriostatic except: \nSelect and explain. \nA. Vancomycin, B. Clindamycin, C. Tetracycline, D. Tigecycline', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All protein synthesis inhibitors are bacteriostatic except Aminoglycosides and streptogrammins and all cell wall inhibitors like vancomycin (glycopeptide) are bacterioacidal', 'role': 'assistant'}]