Explain the role of pepsin & hcl in the stomach

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Reference no: EM133344126

Questions: 1. Explain the basic processes of the digestive system:

Ingestion
Motility
mechanical digestion
chemical digestion
Secretion
Absorption
defecation

2. Explain the difference between endocrine and exocrine secretion

3. Understand the basic histological organization of the digestive tract; explain the basic functions of the

Serosa
muscularis externa
Submucosa
Mucosa
myenteric plexus

4. Understand the nutritional role of
Carbohydrates

Triglycerides
Proteins
nucleic acids
fiber

5. Explain the digestive fate of carbohydrates, proteins, triglycerides, nucleic acids, fiber

6. Explain how the following are absorbed from the digestive tract

Carbohydrates
Proteins
Triglycerides
nucleic acids

7. Describe the basic secretory, digestive, and absorptive activities of the

oral cavity
Stomach
small intestine
large intestine
Liver
pancreas

8. Understand the basic anatomy of gastric glands; explain what is secreted by the

mucous cells
chief (zymogenic) cells
parietal cells
G cells

9. Explain the role of pepsin & HCl in the stomach

10. Explain why the stomach does not digest itself

11. Explain how stomach activity is regulated; explain the role of the

cephalic reflex phase
gastric reflex phase
intestinal reflex phase
volume of food in stomach
protein content of meal
Gastrin
Secretin
CCK

12. Explain what pancreatic juice contains, and its function

13. Explain the function of

Chymotrypsin
Trypsin
Amylase
lipase

14. Explain how pancreatic activity is coordinated; explain the role of

CCK
Secretin
duodenal distension
acidity of chyme

15. Explain the role of bile

16. Explain how hepatic and gallbladder activity are coordinated; explain the role of

CCK
Secretin
the autonomic nervous system
circulating bile salts

17. Describe the structural adaptations of the small intestine, which enhance absorption

18. Explain the role of intestinal bacteria

19. Explain the function of the large intestine

Reference no: EM133344126

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