This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'The chance that a health worker gets HIV from an accidental needle prick is - \nSelect and explain. \nA. 1%, B. 10%, C. 95%, D. 100%', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 1% Common modes of transmission of HIV and their relative riskTypes of exposureApproximate chance of infection per exposureI Sexual intercourse: anal, vaginal, oral01-10%II Blood and blood products. Factor VII etc. Blood transfusion> 90%III Tissue and organ donation, semen, cornea, bone marrow, kidney etc.50-90%IV Injections and injuries shared needles by drug addicts Injections with unsterile Needle-stick and other injuries in health staff? Surgical wounds0-5-10%V Mother to baby :TransplacentalAt birthAfter birthBreast milk30%", 'role': 'assistant'}]