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 signs of inadequate breathing is more prominent in children than in adults?

Bradycardia

Cyanosis

Use of accessory muscles in the neck

Nasal flaring

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Verified step by step guidance

Understand the physiological differences between children and adults in terms of respiratory mechanics. Children have smaller airways and less developed respiratory muscles, making them more prone to showing distinct signs of respiratory distress.

Recognize that nasal flaring is a prominent sign in children because it helps reduce airway resistance during inhalation. This is a compensatory mechanism to improve airflow when breathing is inadequate.

Compare the other options: Bradycardia (slow heart rate) and cyanosis (bluish discoloration of the skin due to lack of oxygen) are general signs of severe respiratory distress and can occur in both children and adults, but they are not specific to children.

Understand the use of accessory muscles in the neck. While this can occur in both children and adults during respiratory distress, it is not as prominent or specific to children as nasal flaring.

Conclude that nasal flaring is the correct answer because it is a more distinct and observable sign of inadequate breathing in children compared to adults, due to their unique anatomical and physiological characteristics.