This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Regular drinking of which of the following can help prevent Urinary Tract infection (UTI) 
Select and explain. 
A. Grape juice, B. Orange juice, C. Cranberry juice, D. Raspberry juice
C: Cranberry juice
Answer: C: Cranberry juice 
Explanation: Cranberry juice Mechanism of prevention of UTI: Proanthocyanidis in cranberry juice prevent bacterial fimbriae from attaching to wall of Urinary Bladder and urinary tract Ref: How cranberry juice can prevent Urinary tract Infections, Science daily, July 21,2008)