10 Questions
What is the term for the backflow of acid from the stomach into the esophagus?
Acid reflux
What can lead to esophagitis (irritation of the esophagus) due to acid backflow?
Being pregnant
Why do cells in the esophagus change their morphology in Barrett's esophagus?
To resemble intestine cells resistant to acid
What role does nicotine play in the development of acid reflux?
Relaxes the lower esophageal sphincter
What is a hiatial hernia?
A condition where the stomach moves into the thoracic cavity
What is the primary cause of gastric ulcers?
Infection with Helicobacter pylori
Which cells in the stomach secrete hydrochloric acid?
Parietal cells
Why is pepsin inactivated when food enters the small intestine?
The small intestine is very alkaline
What happens when the wall of the stomach is destroyed by gastric ulcers?
Damage to blood vessels and bleeding
What do chief cells in the stomach secrete?
Pepsinogen
Test your knowledge about acid reflux (or heartburn or gastroesophageal reflux disease; GERD) and Barrett’s esophagus. Learn about the causes, symptoms, and risk factors associated with these conditions.
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