Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 39m
3. Energy & Cell Processes10h 8m
4. Tissues & Histology10h 3m
5. Integumentary System2h 28m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System3h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

23. The Digestive System

The Stomach

Anatomy & Physiology

23. The Digestive System

The Stomach

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Trace the path of a single protein molecule that has been ingested. The protein molecule will be digested by enzymes made bya. the mouth, stomach, and colon,b. the stomach, liver, and small intestine,c. the small intestine, mouth, and liver,d. the pancreas, stomach, and small intestine.

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Open Question

Describe the regulation of the cephalic, gastric, and intestinal phases of gastric secretion.

Multiple Choice

Proton Pump Inhibitors (or PPIs) are some of the widely used drugs in the world and are prescribed for chronic heartburn/acid reflux. They work by inhibiting the movement of H⁺ ions across the membrane into the gastric juice, thereby lowering the concentration of HCl. As described, which cell of the gastric glands would you expect PPIs to affect?

Open Question

Multiple ChoiceMore than one choice may apply.Where in the stomach do the strongest peristaltic waves occur?a. b. c. d.

Multiple Choice

The only stomach function that is essential to life is __________.

Open Question

A surgical procedure known as gastric bypass involves removing all or part of the stomach.

b. How would stomach removal affect absorption of vitamin B12? Explain.

Multiple Choice

Which of the following products does the stomach produce?

Open Question

Troy Francis, a middle-aged salesman, complains of a burning pain in the 'pit of his stomach,' usually beginning about two hours after eating and abating after drinking a glass of milk. When asked to indicate the site, he points to his epigastric region. The GI tract is examined by X-ray fluoroscopy. A gastric ulcer is visualized, and drug therapy using a proton pump inhibitor and antibiotics is recommended.a. Why is this treatment suggested?b. What are the possible consequences of nontreatment?

Multiple Choice