This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: HC Methods, D-P Communication, Subject name: Social & Preventive Medicine
All of the following involve a two-way communication except:- 
Select and explain. 
A. Symposium, B. Lecture, C. Panel discussion, D. Workshop
B: Lecture
Answer: B: Lecture 
Explanation: Health communication One way Two way DIDACTIC SOCRATIC LECTURE Flannel graph Banner poster Cha pamphlet TV radio Newsprint - FGD,PD - Symposium - Workshop - spikes - Gather - Role play - seminar - Conference - Demonstration - IPC