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

Interferon Response

Anatomy & Physiology

21. The Immune System

Interferon Response

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Multiple Choice

How does the interferon response provide anti-viral protection?

Interferons bind to the virus neutralizing it.

Interferons stimulate neighboring cells to produce anti-viral proteins.

Interferons prevent the virus from entering the cell.

Interferons prevent the virus from leaving the infected cell and infecting neighboring cells.

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Verified step by step guidance

Understand the role of interferons: Interferons are proteins produced by host cells in response to viral infections. They play a crucial role in the immune response against viruses.

Identify the mechanism of action: Interferons do not directly neutralize viruses. Instead, they act as signaling molecules that alert neighboring cells to the presence of a virus.

Explore the signaling process: When interferons bind to receptors on neighboring cells, they trigger a signaling cascade that leads to the production of anti-viral proteins within those cells.

Examine the effect on neighboring cells: The anti-viral proteins produced by the neighboring cells help to inhibit viral replication and spread, providing a protective effect against the virus.

Clarify the misconception: Interferons do not prevent the virus from entering or leaving cells directly. Their primary function is to stimulate the production of anti-viral proteins in neighboring cells, enhancing the overall anti-viral response.