H.pylori and GI ulceration Flashcards
1
Q
what shape is helicobacter
A
helix
2
Q
why does helicobacter thrve in acid areas
A
produce urease which increases pH of -2 to 6-7
3
Q
is H. pylori gram positive or negative
A
negative
4
Q
H. pyrlori has adhesions. Why is this good
A
cofactors on the outside of the organism allowing it to adhere to epithelial cells of the gastric system
5
Q
4 symptoms of H. pylori
A
abdominal pain
nausea
flatulence
bad breath
6
Q
diagnosis of H. pylori
A
urea breath test
serological test
stool antigen test
7
Q
how does H.pylori cause ulcers
A
breakdown musin layer and epithelial layer
stomach acid can cause more damaging
causing acid
