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 descriptions is not a characteristic of adaptive immunity?

It has memory and can respond more rapidly upon re-exposure to the same pathogen.

It provides immediate protection against pathogens.

It is highly specific to particular antigens.

It involves the activation of B and T lymphocytes.

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Verified step by step guidance

Understand the concept of adaptive immunity: Adaptive immunity is a part of the immune system that adapts its response to specific pathogens and improves its response over time.

Identify the characteristics of adaptive immunity: Adaptive immunity is known for its specificity, memory, and ability to improve upon re-exposure to the same pathogen.

Evaluate the options given in the problem: Each option describes a characteristic of adaptive immunity. We need to identify which one does not fit.

Analyze the option 'It provides immediate protection against pathogens': Immediate protection is typically a characteristic of innate immunity, not adaptive immunity, which takes time to develop a specific response.

Conclude that the option 'It provides immediate protection against pathogens' is not a characteristic of adaptive immunity, as adaptive immunity is not immediate but rather develops over time with exposure to specific antigens.