Body systemsQuestion 1635 of 1700
What is GERD?
- Swollen veins in the rectum and around the anus
- A problem digesting milk and other dairy foods
- Stomach acid that rises into the food tube
- A twisted section of the colon or intestine
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Correct answer: Stomach acid that rises into the food tube
The acid causes the burning feeling known as heartburn.
Questions last reviewed: 18 October 2026