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

Sympathetic Nervous System

Anatomy & Physiology

14. The Autonomic Nervous System

Sympathetic Nervous System

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Multiple Choice

Which of the following is not a target of a sympathetic preganglionic fiber?

Adrenal medulla

Skeletal muscle

Sweat glands

Heart

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Verified step by step guidance

Understand the role of sympathetic preganglionic fibers: These fibers are part of the autonomic nervous system and are responsible for transmitting signals from the central nervous system to various target organs to prepare the body for 'fight or flight' responses.

Identify the typical targets of sympathetic preganglionic fibers: These fibers usually target organs and tissues involved in involuntary functions, such as the heart, adrenal medulla, and sweat glands.

Recognize the function of the adrenal medulla: The adrenal medulla is stimulated by sympathetic preganglionic fibers to release adrenaline and noradrenaline, hormones that increase heart rate and blood pressure.

Consider the role of sweat glands: Sweat glands are activated by sympathetic preganglionic fibers to help regulate body temperature through perspiration.

Determine why skeletal muscle is not a target: Skeletal muscles are controlled by the somatic nervous system, which is responsible for voluntary movements, not by the autonomic nervous system, which includes sympathetic preganglionic fibers.