Table of contents

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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 the Immune System

Anatomy & Physiology

21. The Immune System

Introduction to the Immune System

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Multiple Choice

Which of the following statements about anaphylaxis is true?

Anaphylaxis is primarily caused by bacterial infections.

Anaphylaxis is a mild allergic reaction that typically resolves without treatment.

Anaphylaxis is a severe, life-threatening allergic reaction that can occur rapidly.

Anaphylaxis only occurs in individuals with a history of asthma.

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Verified step by step guidance

Understand the definition of anaphylaxis: Anaphylaxis is a severe, life-threatening allergic reaction that can occur rapidly and requires immediate medical attention.

Identify the causes of anaphylaxis: It is typically triggered by allergens such as foods, insect stings, medications, or latex, rather than bacterial infections.

Recognize the symptoms of anaphylaxis: Symptoms may include difficulty breathing, swelling, hives, a drop in blood pressure, and loss of consciousness.

Differentiate anaphylaxis from mild allergic reactions: Unlike mild allergic reactions, anaphylaxis can be life-threatening and does not resolve without treatment.

Clarify the misconception about asthma: Anaphylaxis can occur in any individual, not just those with a history of asthma, although individuals with asthma may be at higher risk.