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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Problem 11b

Textbook Question

Mark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.
The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.

Verified step by step guidance

Step 1: Understand the anatomy of the spinal cord. The spinal cord is a cylindrical structure that extends from the brainstem (specifically the medulla oblongata) through the foramen magnum, which is the large opening at the base of the skull.

Step 2: Identify the endpoint of the spinal cord. The spinal cord typically terminates at the level of the first or second lumbar vertebra (L1-L2) in adults, forming a structure called the conus medullaris.

Step 3: Evaluate the statement provided. The statement says, 'The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.' This matches the anatomical description of the spinal cord's extent.

Step 4: Determine whether the statement is true or false. Since the statement accurately describes the anatomical range of the spinal cord, it is true.

Step 5: If the statement were false, you would need to correct it by specifying the accurate anatomical range of the spinal cord, but in this case, no correction is necessary as the statement is true.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Anatomy of the Spinal Cord

The spinal cord is a cylindrical structure that extends from the base of the brain (foramen magnum) down to the lower back, typically ending at the level of the first or second lumbar vertebra (L1-L2) in adults. This anatomical knowledge is crucial for understanding the organization and function of the central nervous system.

Vertebral Column

The vertebral column, or spine, is made up of individual vertebrae that protect the spinal cord and provide structural support. It consists of cervical, thoracic, lumbar, sacral, and coccygeal regions, with the lumbar region being particularly important for lower back function and mobility.

Spinal Cord Segmentation

The spinal cord is segmented into regions that correspond to the vertebrae: cervical, thoracic, lumbar, sacral, and coccygeal. Each segment gives rise to spinal nerves that innervate specific body areas, making it essential to understand these segments for diagnosing and treating neurological conditions.

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Mark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.

Key Concepts

Anatomy of the Spinal Cord

Vertebral Column

Spinal Cord Segmentation

Watch next

Mark the following statements about the spinal cord as true or false. If a statement is false, correct it to make a true statement.
The spinal cord extends from the foramen magnum to the level between the first and second lumbar vertebrae.