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

Which of the following are associated with adaptive or acquired immunity?

Neutrophils and macrophages

T cells and B cells

Complement proteins

Natural killer cells

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Verified step by step guidance

Understand the concept of adaptive or acquired immunity: This type of immunity is specific and involves the activation of lymphocytes in response to specific antigens. It has memory, meaning it can respond more effectively upon subsequent exposures to the same antigen.

Identify the key players in adaptive immunity: The primary cells involved in adaptive immunity are lymphocytes, specifically T cells and B cells. These cells are responsible for recognizing specific antigens and mounting a targeted immune response.

Differentiate between innate and adaptive immunity: Innate immunity is the body's first line of defense and includes cells like neutrophils and macrophages, which are not specific to particular pathogens. Adaptive immunity, on the other hand, is specific and involves T cells and B cells.

Evaluate the role of T cells and B cells: T cells are involved in cell-mediated immunity, where they can directly kill infected cells or help other immune cells. B cells are responsible for humoral immunity, producing antibodies that neutralize pathogens.

Consider the other options: Neutrophils and macrophages, complement proteins, and natural killer cells are part of the innate immune system, which provides a non-specific defense against pathogens. They are not primarily associated with adaptive immunity.