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
All are present in mild dehydration, except ? 
Select and explain. 
A. Thirst, B. Restlessness, C. Dry tongue, D. Normal BP
C: Dry tongue
Answer: C: Dry tongue 
Explanation: Ans. is 'c' i.e., Dry tongue