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
Coho study is a type of 
Select and explain. 
A. Clinical trial, B. Analytic study, C. Descriptive study, D. Experimental study
B: Analytic study
Answer: B: Analytic study 
Explanation: Coho or follow up is a type of analytical study with individuals as a unit of the study. (refer pg no: 62, park 23 rd edition )