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

Within the spinal cord, which tracts carry sensory information up to the brain?

Descending tracts

Corticospinal tracts

Reticulospinal tracts

Ascending tracts

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Verified step by step guidance

Step 1: Understand the basic organization of the spinal cord. The spinal cord contains white matter organized into tracts, which are bundles of axons that transmit information. These tracts are categorized into ascending tracts (sensory) and descending tracts (motor).

Step 2: Ascending tracts are responsible for carrying sensory information from the peripheral nervous system to the brain. This includes information about touch, temperature, pain, and proprioception (body position).

Step 3: Descending tracts, on the other hand, carry motor commands from the brain to the muscles and glands. These tracts are not involved in transmitting sensory information.

Step 4: Corticospinal tracts and reticulospinal tracts are examples of descending tracts. They are involved in motor control and do not carry sensory information to the brain.

Step 5: Based on this understanding, the correct answer is 'Ascending tracts,' as they are the ones responsible for transmitting sensory information up to the brain.