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': 'Any loss/abnomality of physiological/psychological/ anatomical structure or function is \nSelect and explain. \nA. Disease, B. Impairment, C. Disability, D. Handicap', 'role': 'user'}, {'content': 'Answer: B \nExplanation: According to WHO definitions,\nDisease:\xa0Any abnormal condition of an individual that impairs function.\nImpairment: Any loss or abnormality of psychological, physiological or anatomical structure or function.\nDisability: (Because of impairment,) any restriction or inability to perform an activity in a range considered normal for a human being\nHandicap:\xa0A disadvantage for a given individual, resulting from an impairment/disability, that limits/prevents fulfillment of a role considered normal (depending on age, sex, social, cultural factors) for that individual', 'role': 'assistant'}]