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
Study of designing equipment and devices that fit the human body., its movements, and its cognitive abilities is? 
Select and explain. 
A. Economics, B. Ergonomics, C. Bionomics, D. Socionomics
B: Ergonomics
Answer: B: Ergonomics 
Explanation: Ans. is b i.e., Ergonomics o Ergonomics is the scientific discipline that seeks to understand and improve human interactions with products. equipment, environments and system. o It simply means "fitting the job to the worker".