Multiple choice

A bacterial infection of the stomach that causes a sore is known as

  1. Appendicitis

  2. Acid reflux

  3. Hernia

  4. An ulcer

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Peptic ulcers are sores that develop on the lining of the stomach, often caused by the bacterium Helicobacter pylori.