GI-2 Flashcards
1
Q
Most common sites of peptic ulcers
A
duodenum and stomach
2
Q
Increases risk of peptic ulcer
A
hyperacidity, smoking, reflux of bile acids, NSAIDS
3
Q
how does smoking increase risk of peptic ulcer?
A
Reduces gastric mucosal blood flow
4
Q
How does H. pylori neutralize gastric acid?
A
produces enzyme urease which converts urea to ammonia
5
Q
Increases risk of stomach cancer
A
H. pylori
6
Q
Management of GERD and PUD
A
reduce acid secretion
7
Q
Decreased stomach motility
A
gastroparesis
8
Q
Most common cause of gastroparesis
A
diabetic, idiopathic, postsurgical
9
Q
altered autonomic neural regulation of motility
loss of intrinsic cells of Cajal
A
gastroparesis
10
Q
Vomiting reflex involves ____
A
Abdominal muscles, diaphragmatic contraction, gut smooth muscles (for reverse peristalsis)
