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 the Complement System

Anatomy & Physiology

21. The Immune System

Introduction to the Complement System

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Multiple Choice

Which of the following components is NOT involved in the complement system's molecular complementarity?

C3 convertase

Antibodies

C5a

Hemoglobin

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Verified step by step guidance

Understand the complement system: The complement system is a part of the immune system that enhances the ability of antibodies and phagocytic cells to clear pathogens from an organism. It involves a series of proteins that work together to fight infections.

Identify the components of the complement system: The key components include proteins such as C3 convertase, C5a, and antibodies, which play roles in the activation and amplification of the complement cascade.

Recognize the role of C3 convertase: C3 convertase is an enzyme complex that plays a crucial role in the complement system by cleaving C3, leading to the activation of other complement proteins.

Understand the function of C5a: C5a is a potent inflammatory peptide that is generated during the activation of the complement system. It acts as a chemoattractant, recruiting immune cells to the site of infection.

Identify the unrelated component: Hemoglobin is a protein found in red blood cells responsible for transporting oxygen throughout the body. It is not involved in the complement system's molecular complementarity, which focuses on immune response.