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 Cells of the Immune System

Anatomy & Physiology

21. The Immune System

Introduction to Cells of the Immune System

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Multiple Choice

Bacterial PAMPs (Pathogen-Associated Molecular Patterns) are recognized by which type of cells in the innate immune system?

B lymphocytes

Macrophages

Erythrocytes

T lymphocytes

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Verified step by step guidance

Understand the role of the innate immune system: The innate immune system is the body's first line of defense against pathogens. It responds to infections in a non-specific manner and is responsible for recognizing common features of pathogens.

Define PAMPs: Pathogen-Associated Molecular Patterns (PAMPs) are molecules associated with groups of pathogens that are recognized by cells of the innate immune system. These patterns are conserved across many types of pathogens.

Identify the cells involved: The innate immune system includes various types of cells such as macrophages, dendritic cells, and neutrophils. These cells have receptors that can recognize PAMPs.

Focus on macrophages: Macrophages are a type of white blood cell that engulfs and digests cellular debris and pathogens. They play a crucial role in the innate immune response by recognizing PAMPs through pattern recognition receptors (PRRs).

Differentiate from other cells: B lymphocytes and T lymphocytes are part of the adaptive immune system, which responds to specific antigens rather than PAMPs. Erythrocytes are red blood cells and do not play a role in pathogen recognition.