This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
True about aminoglycosides ia all EXCEPT: 
Select and explain. 
A. Are bacteriostatic, B. Distributed only extracellularly, C. Excreted unchanged in urine, D. Teratogenic
A: Are bacteriostatic
Answer: A: Are bacteriostatic 
Explanation: The aminoglycosides are bactericidal antibiotics, all having the same general pattern of action. ESSENTIALS OF MEDICAL PHARMACOLOGY page no.743