12 Questions
What is the major virulence factor of Helicobacter Pylori?
Production of ammonia (NH3)
How is Helicobacter Pylori diagnosed?
Urea breath test
Which condition is associated with Helicobacter Pylori infection that causes an increase in acid production by increasing gastrin or decreasing somatostatin?
Gastric adenocarcinoma
What is the treatment for Helicobacter Pylori infection that involves a Proton Pump Inhibitor (PPI)?
Proton Pump Inhibitor
Which test can be used to detect Helicobacter Pylori infection by looking for oxidase positivity?
Oxidase test
What symptom is typically associated with Helicobacter Pylori-induced gastritis?
Decreased acid production (hypochlorhydria)
What is the major virulence factor of Helicobacter Pylori that allows it to reduce the acidity of the stomach?
Urease activity
Which test can detect Helicobacter Pylori infection by using radioactive urea that is broken down and exhaled as CO2 and NH3 by urease-positive organisms?
Urea breath test
What symptom is commonly associated with Helicobacter Pylori-induced gastritis that occurs in the gastric antrum?
Fullness
Which condition can Helicobacter Pylori infection lead to due to chronic infection causing increased acid production by altering hormone levels?
Gastric adenocarcinoma
Which antibiotic is commonly used in the treatment for Helicobacter Pylori infection due to its ability to inhibit protein synthesis?
Amoxicillin
Which enzyme activity is characteristic of Helicobacter Pylori, allowing it to break down urea into ammonia and CO2?
Urease activity
Test your knowledge about Helicobacter pylori, a curved Gram-negative rod bacterium found in the pylorus of the stomach. Explore its characteristics, motility, pathogenesis, and major virulence factors.
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