Helicobacter pylori

What type of microbe is Helicobacter pylori?

• Virus

• Fungi

• Bacteria

• Protist

What is the main symptom that humans get if infected by Helicobacter pylori?

• Diarrhea

• Stomach ulcers

• Weight loss

• Belching

Helicobacter pylori can survive the low pH environment in the stomach. First it produces an enzyme called (a)   which converts ​ (b)   into ​ (c)   . This substance is a ​ (d)   and it can ​ (e)   the acid surrounding the bacteria.

• urease
• urea
• ammonia
• base
• neutralise

Helicobacter pylori have what structures to help them swim through the mucus layer?

What substances do Helicobacter pylori produce to help them attach to the cells lining the stomach?

• Enzymes

• Urea

• Ammonia

• Adhesions

To detect if you have Helicobacter pylori, match each test to what it looks for.

• Antigens that trigger an immune response

• Stool test

• Antibodies to fight the bacteria

• Blood test

• Tests for the presence of the bacteria

• Breath test

• Biomarkers such as urea

• Endoscope