This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antimicrobial Drugs, Subject name: Pharmacology
[{'content': 'The following antibiotic accentuates the neuromuscular blockade produced by pancuronium: \nSelect and explain. \nA. Streptomycin, B. Erythromycin, C. Penicillin G, D. Chloramphenicol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: * Aminoglycosides (like streptomycin and gentamicin) can accentuate the neuromuscular blockade produced by competitive blockers (like pancuronium). * Mechanism of neuromuscular blockade produced by aminoglycosides is the inhibition of presynaptic release of ACh.', 'role': 'assistant'}]