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

21. The Immune System

Cell Communication: Cytokines

Anatomy & Physiology

21. The Immune System

Cell Communication: Cytokines

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Multiple Choice

Which of the following statements about cytokines is false?

Cytokines can act in an autocrine, paracrine, or endocrine manner.

Cytokines are exclusively produced by immune cells.

Cytokines are proteins that facilitate communication between cells.

Cytokines play a role in regulating the immune response.

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Verified step by step guidance

Understand the role of cytokines: Cytokines are signaling proteins that facilitate communication between cells, particularly in the immune system.

Identify the modes of action: Cytokines can act in autocrine (affecting the cell that secretes them), paracrine (affecting nearby cells), or endocrine (affecting distant cells through the bloodstream) manners.

Recognize the diversity of cytokine production: While many cytokines are produced by immune cells, they are not exclusively produced by them. Other cell types can also produce cytokines.

Examine the function of cytokines: Cytokines play a crucial role in regulating the immune response, including inflammation and cell signaling.

Evaluate the statements: The false statement is 'Cytokines are exclusively produced by immune cells,' as cytokines can be produced by various cell types, not just immune cells.