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

Introduction to Lung Physiology

Anatomy & Physiology

22. The Respiratory System

Introduction to Lung Physiology

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following conditions would produce a hyperresonant percussion note in the lungs?

Pleural effusion

Pulmonary edema

Pneumothorax

Lobar pneumonia

Previous problemNext problem

Verified step by step guidance

Understand the concept of percussion in a clinical examination: Percussion is a technique used by healthcare providers to tap on the surface of the body to determine the underlying structure. Different conditions in the lungs produce different sounds.

Identify the characteristics of a hyperresonant percussion note: A hyperresonant note is louder and lower-pitched than normal resonance. It is typically heard when there is more air than usual in the lung or pleural space.

Analyze the conditions provided: Pleural effusion involves fluid accumulation in the pleural space, which would produce a dull sound. Pulmonary edema involves fluid in the lung tissue, also leading to a dull sound. Lobar pneumonia involves consolidation of lung tissue, resulting in a dull percussion note.

Consider the condition of pneumothorax: Pneumothorax occurs when air enters the pleural space, causing the lung to collapse partially or completely. This excess air leads to a hyperresonant percussion note.

Conclude that pneumothorax is the condition that would produce a hyperresonant percussion note due to the presence of excess air in the pleural space.