This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
Area of tongue (Arrow) shown in the illustration is the zone for what taste: 
Select and explain. 
A. Sweet, B. Salt, C. Sour, D. Bitter
B: Salt
Answer: B: Salt 
Explanation: Ans. B. SaltThe area of distribution of taste sensation is as shown in the following illustration: