This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
What is the best method of informing the rural population about Oral rehydration technique: March 2013 (d, f) 
Select and explain. 
A. Chalk and talk/Lecture, B. Demonstrations, C. Role play, D. Flash cards
B: Demonstrations
Answer: B: Demonstrations 
Explanation: Ans. B i.e. Demonstrations Demonstration involves showing by reason or proof explaining or making clear by use of examples or experiments. Put more simply, demonstration means to clearly show