This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Social & Preventive Medicine
On republic day, a camp was organized and people were screened for Hypeension by checking BP and for diabetes by checking their BMI and Blood sugar level, which level of prevention is this? 
Select and explain. 
A. Primary, B. Primordial, C. Secondary, D. Teiary
C: Secondary
Answer: C: Secondary 
Explanation: The screening for a disease comes under secondary prevention. Secondary prevention is done when disease has already staed in the body. It includes doing early diagnosis and treatment. All screening and diagnostic test by default come under Secondary level of prevention. Primary prevention can prevent the disease whereas secondary cannot.