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

21. The Immune System

Classes of Antibodies

Anatomy & Physiology

21. The Immune System

Classes of Antibodies

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Multiple Choice

The process that begins when a helper T cell binds to a class II MHC protein on a displaying cell is known as __________.

costimulation

T cell proliferation

antigen proliferation

self-antigen recognition

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Verified step by step guidance

Understand the role of helper T cells in the immune response. Helper T cells are crucial for activating and directing other immune cells.

Recognize the significance of class II MHC proteins. These proteins are found on antigen-presenting cells and are essential for presenting antigens to helper T cells.

Identify the process of costimulation. This occurs when a helper T cell binds to a class II MHC protein, leading to the activation of the T cell.

Differentiate between the terms provided: 'T cell proliferation' refers to the multiplication of T cells after activation, 'antigen proliferation' is not a recognized term in this context, and 'self-antigen recognition' involves the immune system recognizing the body's own proteins.

Conclude that the process initiated by the binding of a helper T cell to a class II MHC protein is costimulation, which is necessary for the subsequent activation and proliferation of T cells.