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 confers passive immunity?

Administration of an inactivated toxin

Exposure to a pathogen and subsequent immune response

Vaccination with a live attenuated virus

Transfer of antibodies from mother to child through breast milk

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Verified step by step guidance

Understand the concept of passive immunity: Passive immunity involves the transfer of active antibodies from one individual to another, providing immediate protection without the recipient's immune system having to produce these antibodies.

Identify the method of passive immunity in the options: Passive immunity can occur naturally, such as the transfer of antibodies from mother to child through breast milk, or artificially, such as through antibody-containing blood products.

Analyze the options: Administration of an inactivated toxin and vaccination with a live attenuated virus both involve active immunity, where the body is stimulated to produce its own antibodies.

Consider exposure to a pathogen: This option also involves active immunity, as the immune system responds to the pathogen by producing antibodies.

Recognize the correct option: The transfer of antibodies from mother to child through breast milk is a natural form of passive immunity, as the child receives ready-made antibodies from the mother.