Helicobacter

Question 1

What is the Feature of Helicobacter ?

Answer 1

1- Gram-negative bacilli
2- curved  ( gullwing appearance ) or spiral , with multiple sheathed
3- monopolar flagella  
4- Oxidase positive
5- Microaerophilic
6- highly urease positive 
7- causes disease in stomach

Question 2

Helicobacter can produce ?

Answer 2

protease

Question 3

What is the toxin of Helicobacter ?

Answer 3

Cytotoxin & Vacuolating toxin

Question 4

What is the function of Cytotoxin & Vacuolating toxin in Helicobacter ?

Answer 4

=(carcinogenic)→ damage of gastric mucosa

Question 5

What is the Disease of Helicobacter in the stomach ?

Answer 5

1- Acute gastritis
2- Peptic ulcer (duodenal, gastric)
3- Gastric carcinoma
4- Gastric-MALT lymphoma (B cell lymphoma)

Question 6

It is a powerful urease producer ?

Answer 6

Helicobacter

Question 7

highly urease positive ?

Answer 7

Helicobacter

Question 8

What is the Non invasive diagnosis tests ( no endoscopy ) in Helicobacter ?

Answer 8

1- Urea breath test
2- PCR
3- serological tests