Fruit juice which helps in preventing UTI
**Core Concept**
The question is based on the concept of **urinary tract infections (UTIs)** and the role of certain fruit juices in their prevention. Cranberry juice is known for its potential in preventing UTIs due to its **proanthocyanidin** content.
**Why the Correct Answer is Right**
Cranberry juice helps in preventing UTIs by preventing the adherence of **E. coli** bacteria to the bladder and urinary tract walls. The **proanthocyanidins** in cranberry juice inhibit the **P-fimbriae** of **E. coli**, thereby reducing the risk of UTI.
**Why Each Wrong Option is Incorrect**
**Option A:** Orange juice does not have a significant role in preventing UTIs.
**Option B:** Grapefruit juice is not typically associated with UTI prevention.
**Option D:** Apple juice does not have the specific compounds that help prevent UTIs.
**Clinical Pearl / High-Yield Fact**
Cranberry juice is often recommended as a preventive measure for UTIs, especially in women with recurrent infections.
**Correct Answer:** D. Cranberry juice