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 fluid flows through the subarachnoid space in the central nervous system?

Blood plasma

Lymph

Synovial fluid

Cerebrospinal fluid

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Verified step by step guidance

Step 1: Understand the anatomy of the central nervous system (CNS). The CNS consists of the brain and spinal cord, which are protected by three layers of meninges: dura mater, arachnoid mater, and pia mater.

Step 2: Learn about the subarachnoid space. This space is located between the arachnoid mater and pia mater and is filled with cerebrospinal fluid (CSF). It serves as a cushion to protect the brain and spinal cord from injury.

Step 3: Explore the function of cerebrospinal fluid (CSF). CSF is a clear, colorless fluid that circulates within the ventricles of the brain, the central canal of the spinal cord, and the subarachnoid space. It provides mechanical protection, nutrient transport, and waste removal for the CNS.

Step 4: Differentiate cerebrospinal fluid from other fluids mentioned in the problem. Blood plasma is a component of blood, lymph is part of the lymphatic system, and synovial fluid is found in joints. None of these fluids are present in the subarachnoid space.

Step 5: Conclude that cerebrospinal fluid is the correct answer based on its location and function within the subarachnoid space of the CNS.