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. Bionomics, C. Socionomics, D. Ergonomics
D: Ergonomics
Answer: D: Ergonomics 
Explanation: None