This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Measurement of Mortality and Morbidity, Subject name: Social & Preventive Medicine
50 people are suffering from cholera in a population of 5000.Out of 50, suffering from cholera, 10 died. But the total deaths are 50. What is the crude death rate - 
Select and explain. 
A. 1 per 1000, B. 5 per 1000, C. 10 per 1000, D. 20 per 100
C: 10 per 1000
Answer: C: 10 per 1000 
Explanation: Ans, is 'C' 10 per 1000 Mention of cholera is just to confuse students.. o In this question : Mid year population = 5000 Total death = 50 Patients of cholera =50 Death due to cholera = 10 Here is a similar example- Follow these steps, substitute the numericals in the question and arrive at the answer. o The simplest measure of mortality is crude death rate o Other mortality rates which can be calculated in this question are - 1) Specific death rate due to cholera 2) Proportional mortality rate 3) Case fatality rate-