GI Physiology Flashcards
1
Q
What are the 6 functions of the GI system?
A
1) ingestion
2) motility
3) Secretion
4) digestion (mechanical / chemical)
5) Absorption
6) Elimination
2
Q
The pancreas and liver are referred to as accessory glands because …
A
Food does not pass through them
3
Q
What is the deepest layer of the mucosa?
A
Muscularis mucosae
4
Q
Mucosa includes which layers?
A
Epithelial cells
Lamina propria
Muscularis mucosa
5
Q
Submucosa contains what structures?
A
Connective tissue
Blood vessels
Lymph vessels
nerves
6
Q
The muscularis externa has 2 layers: the ____ _____ layer and the ______ ______ layer.
A
Inner circular muscular layer
Outer long muscular layer
7
Q
The inner circular layer of the muscularis externa causes the tube to ______.
A
Narrow the lumen
