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

22. The Respiratory System

Lung Volumes and Capacities

Anatomy & Physiology

22. The Respiratory System

Lung Volumes and Capacities

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Multiple Choice

Which of the following best describes the volume of air that remains in the lungs after a maximal exhalation?

Residual Volume

Tidal Volume

Inspiratory Reserve Volume

Expiratory Reserve Volume

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Verified step by step guidance

Understand the definitions of the terms provided: Residual Volume, Tidal Volume, Inspiratory Reserve Volume, and Expiratory Reserve Volume. Residual Volume refers to the amount of air remaining in the lungs after a maximal exhalation, ensuring the lungs do not collapse. Tidal Volume is the amount of air inhaled or exhaled during normal breathing. Inspiratory Reserve Volume is the additional air that can be inhaled after a normal inhalation. Expiratory Reserve Volume is the additional air that can be exhaled after a normal exhalation.

Focus on the key phrase in the question: 'volume of air that remains in the lungs after a maximal exhalation.' This indicates the air that cannot be voluntarily expelled from the lungs.

Eliminate options that do not match the description. Tidal Volume, Inspiratory Reserve Volume, and Expiratory Reserve Volume all involve air that can be moved in or out of the lungs during normal or forced breathing, so they do not fit the description of air remaining after maximal exhalation.

Recognize that Residual Volume is the correct term because it specifically refers to the air that remains in the lungs after a maximal exhalation, preventing lung collapse and maintaining gas exchange.

Conclude that the best answer to the question is Residual Volume, based on its definition and the context provided in the question.