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Acid Reflux and Barrett’s Esophagus

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Questions and Answers

What is the term for the backflow of acid from the stomach into the esophagus?

Esophageal corrosion

Acid erosion

Barrett's esophagus

Acid reflux (correct)

What can lead to esophagitis (irritation of the esophagus) due to acid backflow?

Consuming hot beverages

Having a hiatial hernia

Being pregnant (correct)

Wearing loose clothing

Why do cells in the esophagus change their morphology in Barrett's esophagus?

To resemble intestine cells resistant to acid (correct)

As a response to nicotine exposure

To resist acid damage from overeating

To prevent hiatial hernias

What role does nicotine play in the development of acid reflux?

Relaxes the lower esophageal sphincter (D) Signup and view all the answers

What is a hiatial hernia?

A condition where the stomach moves into the thoracic cavity (B) Signup and view all the answers

What is the primary cause of gastric ulcers?

Infection with Helicobacter pylori (A) Signup and view all the answers

Which cells in the stomach secrete hydrochloric acid?

Parietal cells (B) Signup and view all the answers

Why is pepsin inactivated when food enters the small intestine?

The small intestine is very alkaline (D) Signup and view all the answers

What happens when the wall of the stomach is destroyed by gastric ulcers?

Damage to blood vessels and bleeding (A) Signup and view all the answers

What do chief cells in the stomach secrete?

Pepsinogen (B) Signup and view all the answers