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
Ergonomics – 
Select and explain. 
A. Adjusting the Worker to his job, B. Study of human behavior, C. Study of social mobility, D. None
A: Adjusting the Worker to his job
Answer: A: Adjusting the Worker to his job 
Explanation: Ergonomics Simply means "fitting the job to the worker".
The object of ergonomics is "to achieve the best mutual adjustment of man and his work, for the improvement of human efficiency and well being".