This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
[{'content': 'Most common catheter induced blood infection is due to- \nSelect and explain. \nA. Staphylococcus aureus, B. Coagulase negative staphylococci, C. Gram negative bacilli, D. Candida', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Coagulase-negative Staphylococcus (CoNS) is the most commonly encountered organism in CRBSIs( catheter related and blood stream infections) causing between 11% and 45% of infections with an incidence of 15.8 per 10,000 hospital admissions Ref Harrison20th edition pg 1011', 'role': 'assistant'}]