2.2.3 Helicobacter

Question 1

Causes 80% of gastric ulcer?

Answer 1

H. pylori

Question 2

H. pylori usually causes infection due to?

Answer 2

Motility
Urease

Adhesine
Cytotoxins

Question 3

What is the flagella for H. pylori?

Answer 3

Lophotrichous

Question 4

ITs secretion increases the pH of the stomach (Alkaline

Answer 4

Urease

Question 5

Attaches to the epithelial cells in the stomach?

Answer 5

Adhesine

Question 6

Destroys the cells that usually support or protect the stomach

Answer 6

Cytotoxins

Question 7

What H. pylori penetrates in stomach?

Answer 7

Gastric mucin gel

Question 8

Clinical manifestation of H. pylori

Answer 8

Type B gastritis
Peptic and duodenal ulcers

GI carcinoma

Question 9

2 Spp of Arcobacter?

Answer 9

A. butzleri
A. cryaerophilus

Question 10

Associate with diarrheal diease and bacteremia in humans and in children with recurring gastrointestial illness

Answer 10

A. butzleri

Question 11

Arcobacter that is isolated from cases of human bacteremia and diarrhea

Answer 11

A. cryaerophilus

Question 12

Involved in peridontal disease?

Answer 12

Campylobacter concisus

Question 13

Enteric disease in swine; occasionally associate in human enteric illness

Answer 13

Campylobacter hyointestinalis