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
Pap smear is an example of - 
Select and explain. 
A. Primary level of prevention, B. Secondary level of prevention, C. Teritary level of prevention, D. None of the above
B: Secondary level of prevention
Answer: B: Secondary level of prevention 
Explanation: Ans. is 'b' i.e., Secondary level of prevention o In secondary prevention, action halts the progress of a disease at its incipient stage and prevents complication. o Screening tests (e.g. - Pap smear), helps in diagnosis at early stage so that adequate treatment can halt disease progression and prevent complication.