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
Mainly included in child survival index – 
Select and explain. 
A. MMR, B. IMR, C. Mortality between 1 to 4 yr. age, D. Under 5 mortality
D: Under 5 mortality
Answer: D: Under 5 mortality 
Explanation: The basic measure for infant and child survival is under-5 mortality (No. of deaths under the age of 5 years per thousand live births) The index calculated as :