Gastric Regulation Flashcards
1
Q
Phases of gastric control
A
- cephalic phase
- gastric phase
- intestinal phase
2
Q
What occurs during cephalic phase
A
stomach responds to the sight, smell, taste, or though of food
3
Q
What occurs during gastric phase
A
swallowed food and semidigested protein activate gastric secretion and motility
4
Q
What occurs during intestinal phase
A
chyme starts arriving in the duodenum
5
Q
Describe the vomiting reflex
A
- vomiting can be triggered by an overstretched stomach, pain, repugnant sights, smells, and thoughts
- triggers are sent to the emetic center
- retching occurs and you get nauseous
- vomiting occurs
6
Q
Where in the brain is the emetic center
A
medulla oblongata
7
Q
What is retching?
A
chest expands, abdominal contraction, esophagus dilates, and you get nauseous
