CH 26 Part 2 Flashcards
Mucous helps prevent ___ from stomach linings
Ulceration
Parietal cells produce?***
- Intrinsic factor
2. Hydrochloric acid
Intrinsic factor is required for?
- Absorption of vitamin B-12
2. Erythrocyte production
With out intrinsic factor what could happen and why?
Anemia, Because of not being able to produce RBCs
Hydrochloric acid functions?
- Convert pepsinogen into pepsin
2. Denature proteins
Parietal cells are released from?
Gastric glands
Chief cells secrete?
Pepsinogen
G-cells secrete?
Gastrin
Third layer of the stomach assists in?
Churning and blending food
What is the function of pepsin?
Destroy proteins
Hydrochloric acid converts?
Pepsinogen to pepsin
What causes the release of gastrin (G-cell)?
Stretch of stomach due to food
What is gastric emptying?
Movement of acidic chyme from stomach into duodenum (SI)
The SI receives secretions from?
- Liver
- Pancreas
- Gal bladder
The SI is divided into 3 regions which are the?
- Duodenum
- Jejunum
- Ileum