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: Dental
Dehydration is the common concern in elderly edentulous patients because of 
Select and explain. 
A. Reduced ability to sense thirst, B. Poor absorption of fluids, C. Vitamin deficiency, D. Osteopenia
A: Reduced ability to sense thirst
Answer: A: Reduced ability to sense thirst 
Explanation: None