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
An epidemiological hypothesis should specify the following except- 
Select and explain. 
A. Population, B. Time response relationship, C. Geographical trends, D. Expected outcome
C: Geographical trends
Answer: C: Geographical trends 
Explanation: an epidemiological hypothesis should specify ceain factors which incudes 1.the study population.the population in which the outcomes relative to the proposed hypothesis has to be obtained. 2.time response relationship must be emphasised before the confirmation of outcomes on testing the hypothesis. 3.formulation of aa expected outcome. ref:park&;s textbook,ed 22,pg no 77