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

12. The Central Nervous System

Introduction to the Central Nervous System

Anatomy & Physiology

12. The Central Nervous System

Introduction to the Central Nervous System

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Multiple Choice

Which of the following structures is NOT a protective feature of the central nervous system?

Meninges

Cerebrospinal fluid

Alveoli

Vertebral column

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Verified step by step guidance

Understand the central nervous system's protective features: The central nervous system (CNS) is protected by several structures, including the meninges, cerebrospinal fluid, and the vertebral column. These features work together to shield the brain and spinal cord from physical damage and maintain a stable environment.

Define each protective feature: The meninges are three layers of connective tissue (dura mater, arachnoid mater, and pia mater) that surround the brain and spinal cord. Cerebrospinal fluid (CSF) is a clear fluid that cushions the CNS and provides nutrients. The vertebral column is a bony structure that encases the spinal cord, offering physical protection.

Identify the unrelated structure: Alveoli are tiny air sacs in the lungs responsible for gas exchange during respiration. They are part of the respiratory system, not the central nervous system, and do not serve a protective function for the CNS.

Compare the listed structures: Meninges, cerebrospinal fluid, and the vertebral column are all directly involved in protecting the CNS, while alveoli are unrelated to CNS protection.

Conclude the reasoning: Based on the comparison, alveoli are not a protective feature of the central nervous system, as they belong to the respiratory system and serve a different function.