This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
Critical path method is - 
Select and explain. 
A. Cost effective analysis, B. Cost benefit analysis, C. Network analysis, D. Input-output analysis
C: Network analysis
Answer: C: Network analysis 
Explanation: - a network is a graphic plan of all events and activities to be completed in order to reach an end objective. - the two common types are of network technique are ; PE and CPM. -Critical path method : the longest path of the network. - if any activity along the critical path is delayed, the whole project will be delayed. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:872 <\p>