This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'Study of designing equipment and devices that fit the human body, its movements, and its cognitive abilities is? \nSelect and explain. \nA. Economics, B. Ergonomics, C. Bionomics, D. Socionomics', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ergonomics means fitting the job to the worker.it involves designing of machines,tools,equipment and manufacturing processes,lay out of the places of work,methods of work and environment inorder to achieve greater efficiency of both man and machine.(Ref.PARK'S textbook of preventive and social medicine 21st edition page no.744)", 'role': 'assistant'}]