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

Which of the following is a primary function of the enteric nervous system?

Regulation of heart rate

Regulation of digestive tract motility

Control of voluntary muscle movement

Control of pupil diameter

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Verified step by step guidance

Understand the enteric nervous system (ENS): The ENS is a subdivision of the autonomic nervous system that specifically governs the function of the gastrointestinal tract. It operates independently of the central nervous system but can communicate with it.

Identify the primary role of the ENS: The ENS is responsible for regulating digestive processes, including motility (movement of food through the digestive tract), secretion of digestive enzymes, and blood flow within the gastrointestinal system.

Eliminate unrelated options: Regulation of heart rate is controlled by the autonomic nervous system (sympathetic and parasympathetic branches), not the ENS. Control of voluntary muscle movement is governed by the somatic nervous system, and control of pupil diameter is regulated by the autonomic nervous system.

Focus on the correct option: Digestive tract motility is a key function of the ENS. It coordinates the contraction and relaxation of smooth muscle layers in the gastrointestinal tract to ensure proper movement of food and waste.

Conclude the reasoning: Based on the physiological role of the ENS, the correct answer is 'Regulation of digestive tract motility,' as this aligns with its primary function in the body.