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

Fever

Anatomy & Physiology

21. The Immune System

Fever

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Multiple Choice

What role does fever play in fighting infection?

Fever creates an environment that is less favorable for bacterial and viral replication.

Fever increases the metabolic rate, which helps the body repair itself faster.

Fever reduces the production of white blood cells, minimizing inflammation.

Fever directly attacks and destroys pathogens in the bloodstream.

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Verified step by step guidance

Understand that fever is a physiological response to infection, often triggered by the release of pyrogens, which are substances that cause the hypothalamus to increase the body's temperature set point.

Recognize that a higher body temperature can create an environment less favorable for the replication of bacteria and viruses, as many pathogens have optimal growth temperatures that are lower than the elevated body temperature during a fever.

Acknowledge that fever can enhance the body's immune response by increasing the metabolic rate, which accelerates tissue repair and the activity of immune cells, such as white blood cells, that fight off infections.

Clarify that fever does not directly reduce the production of white blood cells; instead, it often stimulates the production and activity of these cells to combat infection more effectively.

Note that fever does not directly attack or destroy pathogens in the bloodstream; rather, it supports the immune system in creating conditions that are less conducive to pathogen survival and replication.