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 one of the following would result in passive immunity?

Receiving antibodies through breast milk

Production of antibodies after infection

Receiving a vaccine

Exposure to a pathogen

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Verified step by step guidance

Understand the concept of passive immunity: Passive immunity occurs when a person receives antibodies from an external source, rather than producing them through their own immune system.

Identify the sources of passive immunity: Common sources include maternal antibodies passed to a baby through the placenta or through breast milk, and receiving antibodies through medical treatments like immunoglobulin therapy.

Analyze the options given: Receiving antibodies through breast milk is a direct transfer of antibodies from mother to child, fitting the definition of passive immunity.

Contrast with active immunity: Active immunity involves the body's own production of antibodies in response to an infection or a vaccine, which is not the case in passive immunity.

Conclude that receiving antibodies through breast milk is the correct example of passive immunity, as it involves the transfer of ready-made antibodies from one individual to another.