This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
The denominator of the crude death rate is? 
Select and explain. 
A. 1000 live bih, B. Mid year population, C. Total number of deaths in a community, D. Total number of case population in community
B: Mid year population
Answer: B: Mid year population 
Explanation: ref: Park's 22nd edition pg 54 Crude death rate = (No. of deaths during the year / mid-year population) x 100