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Questions and Answers
What is the significance of H. pylori for human disease?
What is the significance of H. pylori for human disease?
- It causes inflammation of the stomach lining (correct)
- It affects the respiratory system
- It leads to liver disease
- It causes skin infections
How is H. pylori most likely acquired?
How is H. pylori most likely acquired?
- Sharing food or eating utensils
- Contact with contaminated water
- Contact with the stool or vomit of an infected person
- All of the above (correct)
What has been found in the saliva of some infected people?
What has been found in the saliva of some infected people?
- Hepatitis virus
- Common cold virus
- H. pylori bacterium (correct)
- Influenza virus
Are pets or farm animals sources of H. pylori infection?
Are pets or farm animals sources of H. pylori infection?
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When do most people become infected with H. pylori?
When do most people become infected with H. pylori?
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Study Notes
H. pylori Significance and Transmission
- H. pylori is a significant pathogen, associated with various human diseases, including gastritis, peptic ulcer disease, and gastric cancer.
- H. pylori is most likely acquired through oral-oral or fecal-oral transmission, suggesting that person-to-person contact or contaminated food and water are potential sources of infection.
H. pylori in Saliva and Zoonotic Transmission
- H. pylori DNA has been detected in the saliva of some infected people, indicating that saliva may play a role in the transmission of H. pylori.
- There is no conclusive evidence to suggest that pets or farm animals are sources of H. pylori infection.
Age of Infection
- Most people become infected with H. pylori in childhood, with the majority of infections occurring before the age of 10.
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Description
Test your knowledge about Helicobacter Pylori (H. pylori), the bacterium that infects the human stomach, causing inflammation of the stomach lining and potentially leading to lifelong infection unless treated. Learn about its discovery, significance, and modes of transmission.
