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': "According to 'Biomedical concept' health is- \nSelect and explain. \nA. Relative absence of pain and discomfort, B. Absence of disease, C. A sound mind in sound body, in a sound family, in sound environment, D. None", 'role': 'user'}, {'content': 'Answer: B \nExplanation: There are following changing concepts of health:-\n\n1)\xa0Biomedical concept\n\nAccording to this concept health is defined as "absence of disease", and has the basis in the "germ theory of disease\nThe limitation of this concept is that it has not given much significance to environmental, social, psychological and cultural determinants.\n\n2)\xa0Ecological concept\n\nAccording to this concept, health is a dynamic equilibrium between man and his environment, and disease is a maladjustment of human to environment.\nAccording to Dubos "health implies the relative absence of pain and discomfort and a continuous adaptation and adjustment to the environment to ensure optimal function".\nThe ecological concept raises two issues, i.e. imperfect man and imperfect environment.\n\n3)\xa0Psychological concept\n\nIt includes the influence of social, psychological, cultural, economic and political factors.\n\n4)\xa0Holistic concept\n\nThe holistic model is a synthesis of all the above concepts.\nThis view corresponds to the view held by the ancients that "health implies a sound mind, in a sound body, in a sound family, in sound environment."\nThe holistic approach implies that all sectors of society have an effect on health, in particular, agriculture, animal husbandry, food, industry, education, housing, public works and communication.\nThe emphasis is on the promotion and protection of health.', 'role': 'assistant'}]