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
Screening is a type of ? 
Select and explain. 
A. Primordial prevention, B. Secondary prevention, C. Primary prevention, D. Teiary prevention
C: Primary prevention
Answer: C: Primary prevention 
Explanation: Ans. is b i.e., Secondary prevention