This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health Planning and Management, Subject name: Social & Preventive Medicine
[{'content': 'Most important measure to prevent hospital infection - \nSelect and explain. \nA. Use of antibiotics, B. Use of antiseptics, C. Proper hand washing, D. Formalin fumigation', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e.. Proper hand w ashing o There are following types of modes of transmission of hospital-acquired infections :Contact transmissionIt is the most common and most preventable means of transmission. It is divided into two types -Direct contact : It involves contact of body surface to body surface with a physical transfer of microorganisms. Hand contact is most common mode of transmission.Indirect contact: It involves body surface contact with a contaminated intermediate object.o As hand contact is the most common mode of transmission, the best preventive measure of nosocomial infection is proper hand hygiene.", 'role': 'assistant'}]