This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Levels of Prevention of Disease, Subject name: Social & Preventive Medicine
'Mobile eye clinics' is an example for:- 
Select and explain. 
A. Primordial Prevention, B. Primary Prevention, C. Secondary Prevention, D. Teiary Prevention
C: Secondary Prevention
Answer: C: Secondary Prevention 
Explanation: - Mobile eye clinics may conduct camps in villages where facilities are not much available. - They conduct screening & diagnostic tests & gives treatment accordingly. - As early diagnosis & treatment comes under 2nd level of prevention, answer is option-3.