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

Active artificially acquired immunity is a result of __________.

vaccination

contact with a pathogen

contact with toxins secreted by pathogens

antibodies passed on from mother to fetus through the placenta

antibodies passed on from mother to baby through breast milk

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Understand the concept of active artificially acquired immunity. This type of immunity involves the introduction of antigens into the body through medical intervention, rather than natural exposure.

Recognize that vaccination is a process where a weakened or inactive form of a pathogen is introduced into the body to stimulate the immune system to produce antibodies.

Differentiate between active and passive immunity. Active immunity involves the body's direct response to the pathogen, while passive immunity involves receiving antibodies from another source.

Consider the options provided: vaccination, contact with a pathogen, contact with toxins, antibodies from mother to fetus, and antibodies from mother to baby. Identify which option involves a medical intervention to stimulate the immune system.

Conclude that vaccination is the correct answer as it is a deliberate introduction of antigens to develop immunity, fitting the definition of active artificially acquired immunity.

5:47m

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Textbook Question

The specificity of an antibody is determined by the

(a) Fixed segment

(b) Antigenic determinants

(d) Size of the antibody

(e) Antibody class

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Activity

Mechanisms of antibody action

Give one example of each type of immunity: innate immunity, naturally acquired active immunity, artificially acquired active immunity, artificially acquired passive immunity, and naturally acquired passive immunity.

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Multiple Choice

Cytotoxic T cells are primarily involved in ____________.

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Multiple Choice

T cells mature in the __________ & B-cells mature in the ____________.

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Textbook Question

Your friend tests her snake-wrangling skills on an eastern diamondback rattlesnake, and is bitten and envenomated (injected with the snake's venom). In the emergency department, doctors administer the antivenin CroFab, which contains antibodies to the toxins in snake venom. Is this an example of active or passive immunity? Will this confer any lasting protection to your friend?

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Multiple Choice

Which of the following is an example of active immunity?

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Multiple Choice

Which type of immunity is mediated by B cells and the antibodies they secrete?

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