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 that fit human body, its movements and cognitive abilities 
Select and explain. 
A. Economics, B. Bionomics, C. Ergonomics, D. Socionomics
C: Ergonomics
Answer: C: Ergonomics 
Explanation: None