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

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

Anatomy & Physiology

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

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Multiple Choice

Preganglionic neurons of the sympathetic nervous system are located in the:

ventral horns of the cervical spinal cord

dorsal root ganglia

brainstem nuclei

lateral horns of the thoracic and lumbar spinal cord

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Verified step by step guidance

Understand the structure of the spinal cord: The spinal cord is divided into regions (cervical, thoracic, lumbar, sacral, and coccygeal) and contains gray matter organized into horns (ventral, dorsal, and lateral). Each horn has specific functions and neuron types.

Learn the role of the sympathetic nervous system: The sympathetic nervous system is part of the autonomic nervous system and is responsible for the 'fight or flight' response. It involves preganglionic and postganglionic neurons.

Identify the location of preganglionic neurons: Preganglionic neurons of the sympathetic nervous system originate in the lateral horns of the thoracic and lumbar regions of the spinal cord. This is a key anatomical feature of the sympathetic division.

Differentiate the lateral horns from other structures: The ventral horns contain motor neurons for voluntary movement, the dorsal root ganglia house sensory neurons, and the brainstem nuclei are involved in cranial nerve functions. None of these are associated with sympathetic preganglionic neurons.

Conclude the correct answer: Based on the anatomy and function of the sympathetic nervous system, preganglionic neurons are specifically located in the lateral horns of the thoracic and lumbar spinal cord.