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

Regulatory T Cells

Anatomy & Physiology

21. The Immune System

Regulatory T Cells

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Multiple Choice

Which of the following is NOT a function of regulatory T cells?

Promoting tolerance to self-antigens

Maintaining immune homeostasis

Activating cytotoxic T cells

Suppressing immune responses

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Verified step by step guidance

Understand the role of regulatory T cells: Regulatory T cells (Tregs) are a subset of T cells that play a crucial role in maintaining immune system balance by suppressing immune responses and promoting tolerance to self-antigens.

Identify the functions of regulatory T cells: Tregs are primarily involved in maintaining immune homeostasis, preventing autoimmune diseases by promoting tolerance to self-antigens, and suppressing excessive immune responses.

Analyze the given options: Review each option to determine if it aligns with the known functions of regulatory T cells.

Evaluate the option 'Activating cytotoxic T cells': Consider whether activating cytotoxic T cells is a known function of regulatory T cells. Tregs are generally not involved in activating cytotoxic T cells; instead, they suppress immune responses.

Conclude which option is NOT a function: Based on the analysis, identify that 'Activating cytotoxic T cells' is not a function of regulatory T cells, as their role is more aligned with suppression and regulation rather than activation.