Question 1

Which of the following is the most common cause of peptic ulcer disease?

Accepted Answer

Infection with Helicobacter pylori and use of NSAIDs

Question 2

A 55-year-old patient presents with periodic epigastric pain described as 'burning' that occurs 2 hours after eating and sometimes at night. Which type of ulcer is most likely?

Accepted Answer

Chronic duodenal ulcer

Question 3

Which of the following best describes the mechanism of action of proton pump inhibitors (PPIs) such as omeprazole?

Accepted Answer

They irreversibly inhibit the H$$^{+}/K$^{+}$$ ATPase enzyme in gastric parietal cells.

Question 4

A patient with a history of chronic NSAID use is prescribed misoprostol. What is the primary reason for this prescription?

Accepted Answer

To protect the gastric mucosa from NSAID-induced erosion and ulceration

Question 5

Which of the following is a common adverse effect of aluminum-containing antacids such as Mylanta?

Accepted Answer

Constipation

Question 6

A patient with peptic ulcer disease is found to have H. pylori infection. Which of the following is the most appropriate initial therapy?

Accepted Answer

Combination of at least two antibiotics and an acid reducer (triple therapy)

Question 7

Which of the following statements about GERD is correct?

Accepted Answer

It is most commonly caused by an incompetent lower esophageal sphincter (LES).

Question 8

Which of the following is a risk factor for peptic ulcer disease due to its effect on gastric acid secretion and mucosal blood flow?

Accepted Answer

Cigarette smoking

Question 9

A patient taking high doses of cimetidine for several months develops confusion and gynecomastia. Which factor most likely contributed to these adverse effects?

Accepted Answer

Prolonged use of high doses

Question 10

Which of the following is a recommended lifestyle modification to reduce symptoms of GERD?

Accepted Answer

Elevating the head of the bed

Question 11

A patient with chronic kidney disease is prescribed magnesium-containing antacids. What is the most significant risk associated with this therapy?

Accepted Answer

Hypermagnesemia

Question 12

Which of the following best explains why long-term use of PPIs may increase the risk of bone fractures?

Accepted Answer

PPIs can cause hypocalcemia by reducing calcium absorption.

Question 13

A patient is prescribed sucralfate for peptic ulcer disease. What is the primary mechanism by which sucralfate promotes ulcer healing?

Accepted Answer

It binds to ulcerated mucosa, forming a protective barrier.

Question 14

Which of the following is a potential complication of bismuth subsalicylate use in patients with ulcers when used alone?

Accepted Answer

Serious bleeding problems

Question 15

A patient with peptic ulcer disease is advised to avoid certain medications. Which of the following should be avoided due to increased risk of ulcer formation?

Accepted Answer

Aspirin and other NSAIDs

Question 16

Which of the following best describes the difference between H$$_2$$ receptor antagonists (H2RAs) and proton pump inhibitors (PPIs)?

Accepted Answer

H2RAs block histamine receptors; PPIs inhibit the proton pump enzyme.

Question 17

A patient with a history of peptic ulcer disease continues to smoke despite medical advice. What is the most likely consequence?

Accepted Answer

Slower healing and increased recurrence of ulcers

Question 18

Which of the following is NOT considered a major risk factor for peptic ulcer disease?

Accepted Answer

High intake of dietary fiber

Question 19

A patient with GERD is counseled to avoid which of the following to minimize symptoms?

Accepted Answer

Highly spiced or fatty foods

Question 20

Which of the following best explains why stress can precipitate peptic ulcer formation?

Accepted Answer

Stress activates the sympathetic nervous system, causing vasoconstriction and ischemia in the gastric mucosa.

Drug Therapy for Peptic Ulcer Disease and Hyperacidity: Medical Terminology and Clinical Concepts

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