This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable Diseases, Subject name: Social & Preventive Medicine
[{'content': 'Malaria is transmitted by \nSelect and explain. \nA. Female anopheles mosquito, B. Male anopheles mosquito, C. Culex mosquito, D. Aedes mosquito', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a (Female anopheles mosquito). (Ref. Park, PSM, 17th/pg.l94)TRANSMISSION OF MALARIA IS BY THREE MODES:# Vector transmission--by female anopheline mosquito# Direct--IM, IV, blood transfusion, drug addicts# CongenitalEducational point:# Blood transfusion of a person in endemic region and who has had malaria should not be accepted as donor until 3 years later.', 'role': 'assistant'}]