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: Microbiology
[{'content': 'Which of the following is not true regarding enterococcus? \nSelect and explain. \nA. Common species are E.faecalis and E.faecium, B. It is a cause for peritonitis, C. It is universally susceptible to penicillins, D. Can cause intra-abdominal abscess', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The enterococci are commonly found in gastrointestinal and genital tract of humans and animals.\xa0\nEnterococci are nonpathogenic, but now are emerging as important agents of nosocomial infection.\nThe antimicrobial therapy includes combination of aminoglycosides with penicillin, ampicillin, or vancomycin.\nEnterococci are less sensitive to penicillin and gentamicin and are resistant to cephalosporins. Plasmid-mediated resistance is a major cause of resistance among drug-resistant strains of Enterococcus.\xa0\nVancomycin-resistant Enterococcus (VRE) has been emerging in the recent years.', 'role': 'assistant'}]