Regulation Of GI System Flashcards
1
Q
What primarily regulates the GI system?
A
The volume and composition of luminal contents.
2
Q
Which receptors are found in the walls of the GI tract?
A
Mechanoreceptors, chemoreceptors, osmoreceptors
3
Q
Which receptors respond to stretch?
A
Mechanoreceptors
4
Q
Which receptors would respond to a change in pH?
A
Chemoreceptors
5
Q
Name effectors in the GI system
A
- Smooth muscle - contract/relax
- Exocrine glands - secretions into GI
- Endocrine glands - secrete hormones into bloodstream
6
Q
Which component of the nervous system (mainly) regulates GI system?
A
The enteric nervous system
7
Q
Which part of the nervous system is the secondary regulator of GI system?
A
The autonomic nervous system
8
Q
Which pathway of the autonomic nervous system is rest and digest?
A
Parasympathetic - enhances activity of the GI system
9
Q
Which pathway of the autonomic nervous system inhibits activity in the GI system?
A
Sympathetic
