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 statements about autonomic regulation of heart rate is correct?

It is regulated by two reflex centers found in the pons.

It is exclusively managed by the somatic nervous system.

It does not involve any central nervous system structures.

It is primarily controlled by reflex centers located in the medulla oblongata.

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Verified step by step guidance

Understand the role of the autonomic nervous system in regulating heart rate. The autonomic nervous system consists of the sympathetic and parasympathetic divisions, which work together to increase or decrease heart rate as needed.

Identify the central nervous system structures involved in autonomic regulation of heart rate. The medulla oblongata, part of the brainstem, contains reflex centers responsible for controlling cardiovascular functions, including heart rate.

Clarify why the pons is not the primary reflex center for heart rate regulation. While the pons is involved in other autonomic functions, such as respiration, the medulla oblongata is the primary center for heart rate control.

Explain why the somatic nervous system is not involved in heart rate regulation. The somatic nervous system controls voluntary movements, whereas heart rate regulation is an involuntary process managed by the autonomic nervous system.

Conclude that the correct answer is based on the medulla oblongata's role in autonomic regulation of heart rate, emphasizing its importance in maintaining homeostasis through reflexive control mechanisms.