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': 'Quality of life is defined as- \nSelect and explain. \nA. Standard of living, B. Level of living, C. Subjective feeling of well being, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Quality of life\n\nThe level of living and standard of living are objective criteria of well being, while quality of life comprises the individuals own subjective evaluation of these.\nRecent definition of quality of life is as follows “a composite measure of physical mental and social well being as perceived by each individual or group of individuals.”\nWHO definition is as follows “the condition of life resulting from the combination of the effects of the complete range of factors such as those determining health, happiness, education, etc".', 'role': 'assistant'}]