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

Shock that results from dilated blood vessels may be caused by which of the following?

Obstructive shock

Neurogenic shock

Hypovolemic shock

Cardiogenic shock

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Verified step by step guidance

Understand the concept of shock: Shock is a life-threatening condition where the circulatory system fails to deliver adequate oxygen and nutrients to tissues. It can result from various causes, including blood vessel dilation, blood loss, or heart dysfunction.

Learn about neurogenic shock: Neurogenic shock occurs due to the loss of vascular tone caused by damage to the nervous system, such as spinal cord injury. This leads to widespread vasodilation, reducing blood pressure and impairing circulation.

Differentiate between types of shock: Obstructive shock is caused by physical obstruction of blood flow (e.g., pulmonary embolism), hypovolemic shock results from severe blood or fluid loss, and cardiogenic shock is due to heart failure. None of these involve widespread vasodilation as the primary mechanism.

Focus on the mechanism of vasodilation: Neurogenic shock is the only type listed that directly involves dilated blood vessels as a result of nervous system dysfunction. This distinguishes it from other types of shock.

Conclude the reasoning: Based on the mechanism of action, neurogenic shock is the correct answer because it is specifically caused by dilated blood vessels due to nervous system impairment.