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 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 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 Gallbladder

Anatomy & Physiology

23. The Digestive System

The Gallbladder

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Multiple Choice

Which of the following statements about bile is true?

Bile breaks down fats by breaking triglycerides down to fatty acids.

Bile increases the surface area of fats in chyme, but it does not break them down chemically.

The process of bile breaking down fats creates a byproduct that makes feces brown.

Bile is synthesized by the gallbladder when stimulated by cholecystokinin (CCK).

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Verified step by step guidance

Understand the role of bile in digestion: Bile is a digestive fluid produced by the liver and stored in the gallbladder. It plays a crucial role in the digestion and absorption of fats.

Clarify the function of bile: Bile does not chemically break down fats into fatty acids. Instead, it emulsifies fats, which means it breaks large fat globules into smaller droplets, increasing the surface area for digestive enzymes to act upon.

Identify the correct statement: The statement 'Bile increases the surface area of fats in chyme, but it does not break them down chemically' accurately describes the emulsification process performed by bile.

Address the synthesis of bile: Bile is synthesized by the liver, not the gallbladder. The gallbladder stores and concentrates bile, releasing it into the small intestine when stimulated by the hormone cholecystokinin (CCK).

Consider the byproduct of bile: The brown color of feces is primarily due to bilirubin, a byproduct of the breakdown of red blood cells, which is excreted in bile. However, bile itself does not directly create this byproduct.