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

After leaving the optic chiasm, the optic tracts primarily extend to which of the following structures?

Primary motor cortex

Medulla oblongata

Lateral geniculate nucleus of the thalamus

Cerebellum

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Verified step by step guidance

Understand the anatomy of the visual pathway: The optic nerve carries visual information from the retina to the brain. At the optic chiasm, some fibers cross to the opposite side, forming the optic tracts.

Learn the role of the optic tracts: After the optic chiasm, the optic tracts carry visual information to specific brain structures for processing.

Identify the primary destination of the optic tracts: The lateral geniculate nucleus (LGN) of the thalamus is the main relay center for visual information. It processes and sends signals to the visual cortex.

Eliminate incorrect options: The primary motor cortex is involved in movement, not vision. The medulla oblongata regulates autonomic functions, and the cerebellum coordinates movement and balance, none of which are directly involved in visual processing.

Conclude that the lateral geniculate nucleus of the thalamus is the correct answer, as it is the primary structure where the optic tracts extend after leaving the optic chiasm.