Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
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 Heart2h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 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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Multiple Choice

Which of the following is NOT a function of the stomach?

temporary holding area for food until it can be moved to the duodenum

chemical digestion of carbohydrates

absorption of a few fat-soluble substances

mechanical breakdown of the bolus into chyme

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Verified step by step guidance

Understand the primary functions of the stomach: The stomach is primarily involved in the mechanical and chemical digestion of food. It serves as a temporary holding area for food, breaks down food mechanically, and initiates the digestion of proteins.

Identify the processes that occur in the stomach: The stomach uses muscular contractions to mechanically break down food into smaller pieces, forming a semi-liquid mixture called chyme. It also secretes gastric juices containing hydrochloric acid and enzymes like pepsin to chemically digest proteins.

Recognize the substances absorbed by the stomach: While the stomach is not primarily an organ of absorption, it can absorb certain fat-soluble substances, such as alcohol and some medications.

Evaluate the digestion of carbohydrates: Carbohydrate digestion begins in the mouth with salivary amylase and continues in the small intestine. The stomach does not play a significant role in the chemical digestion of carbohydrates.

Determine which function is not associated with the stomach: Based on the understanding of stomach functions, the chemical digestion of carbohydrates is not a function of the stomach, as this process primarily occurs in the mouth and small intestine.