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

Introduction to Adaptive Immunity

Anatomy & Physiology

21. The Immune System

Introduction to Adaptive Immunity

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Multiple Choice

Cell-mediated immunity primarily serves which immune function?

Activating macrophages and cytotoxic T cells to destroy infected cells

Enhancing the production of complement proteins

Facilitating the production of memory B cells

Producing antibodies to neutralize pathogens

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Verified step by step guidance

Understand the concept of cell-mediated immunity: It is a type of adaptive immune response that does not involve antibodies but rather the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.

Identify the key players in cell-mediated immunity: The main cells involved are T cells, particularly cytotoxic T cells (CD8+ T cells) and helper T cells (CD4+ T cells), which help activate other immune cells.

Recognize the primary function of cytotoxic T cells: These cells are responsible for directly attacking and destroying infected cells, particularly those infected by viruses or transformed by cancer.

Consider the role of helper T cells: They assist in activating macrophages and cytotoxic T cells by releasing cytokines, which are signaling molecules that enhance the immune response.

Evaluate the options given: The correct function of cell-mediated immunity is activating macrophages and cytotoxic T cells to destroy infected cells, as this aligns with the roles of T cells in the immune response.