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: Social & Preventive Medicine
[{'content': 'Which of the following is not a 2 way communication – \nSelect and explain. \nA. Lectures, B. Group discussion, C. Panel discussion, D. Symposium', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Communication \n\nCommunication is a process of transferring information from one source to another.\nThere are following types of communication :-\n\n1.\xa0One-way communication (Didactic method)\n\nOne way communication is one in which information is always transferred in only one preassigned direction, i.e. from communicator to the audience.\nExample - Lectures, demonstration, mass media communication (TV, radio, internet).\n\n2.\xa0Two-way communication (Socratic method)\n\nIt is method of communication in which both the communicator and the audience take part and the information is transferred in both direction.\nExamples →Group discussion, Panel discussion, symposium, workshop, conferences.\nVerbal communication → communication by words of mouth.\nNon-verbal communication → communication without words, by whole range of bodily movements, postures, gestures, facial expressions (e.g. smiling, frown).\nFormal and informal education\nFollows lines of authority → Formal communication.\nFrom channels that fall outside the formal communication → informal (grape-vine) communication.\nVisual communication → charts, graphs, tables etc.\nTelecommunication and internet → Telecommunication is the process of communication over distance using electromagnetic instruments designed for the purpose.\nExamples → Radio, TV and internet.', 'role': 'assistant'}]