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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Problem 10b

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The tidal volume is the amount of air left in the lungs after maximal expiration.

Verified step by step guidance

Step 1: Understand the term 'tidal volume'. Tidal volume refers to the amount of air inhaled or exhaled during a normal, resting breath. It is not related to the air left in the lungs after maximal expiration.

Step 2: Identify the term that describes the air left in the lungs after maximal expiration. This is called the 'residual volume', not tidal volume.

Step 3: Evaluate the given statement. The statement is false because it incorrectly defines tidal volume as the air left in the lungs after maximal expiration.

Step 4: Correct the false statement. The corrected statement should read: 'The tidal volume is the amount of air inhaled or exhaled during a normal, resting breath.'

Step 5: Review the corrected statement and ensure it aligns with the proper definitions of tidal volume and residual volume in respiratory physiology.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Tidal Volume

Tidal volume refers to the amount of air that is inhaled or exhaled during normal breathing. It is a key component of respiratory physiology and is typically measured in milliliters. Understanding tidal volume is essential for assessing lung function and overall respiratory health.

Residual Volume

Residual volume is the amount of air that remains in the lungs after a maximal exhalation. It prevents the lungs from collapsing and ensures that gas exchange can continue even between breaths. This concept is crucial for understanding lung mechanics and the overall respiratory system.