Test 2: GI drugs Flashcards
1
Q
3 basic functions of the GI tract
A
- transport food
- secrete digestive enzymes
- absorb nutrients
2
Q
4 factors that influence GI function
A
- parasympathetic and sympathetic nervous systems
- prostaglandin E
- HCl production in the stomach
- irritating compounds and bacterial toxins
3
Q
the PNS helps with:
A
food digestion and absorption
4
Q
3 things the PNS does to help with food digestion and absorption
A
- fluid secretions
- increased blood flow to the GI tract to help with the absorption of nutrients
- increased gut motility
5
Q
the SNS controls this:
A
flight response
6
Q
3 things the SNS does to affect GI tract function
A
- decrease secretion
- decrease blood flow
- decrease motility
7
Q
4 things Prostaglandin E does to affect the GI system
A
- increase intestinal mucus production
- increase intestinal motility
- increase blood supply to the GI tract
- decrease HCl acid secretion
8
Q
prostaglandin E basically has this function:
A
prevent GI ulcers
9
Q
peristaltic contractions do what
A
move food towards rectum
10
Q
describe segmental contractions
A
multiple area of the intestine designed to mix food with digestive secretions so that they can be more easily digested
11
Q
HCl acid is produced by ____ in response to:
A
parietal cells in response to
- histamine
- gastrin
- ACH
