Multiple Choice
Individuals with COPD (chronic obstructive pulmonary disorder) have degraded elastin protein, causing their lungs to have less recoil. How would this affect intrapleural pressure and why?
Table of contents
- 1. Introduction to Biology2h 17m
- 2. Chemistry of Life7h 30m
- Atoms - Smallest Unit of Matter58m
- Isotopes36m
- Introduction to Chemical Bonding21m
- Covalent Bonds40m
- Noncovalent Bonds5m
- Ionic Bonding37m
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- Introduction to Water7m
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- Carbon8m
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- Microscopes11m
- Introduction to Eukaryotic Organelles16m
- Endomembrane System: Protein Secretion25m
- Endomembrane System: Digestive Organelles12m
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- Types of Phosphorylation14m
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- 4. Tissues & Organ Systems7h 6m
- Introduction to Tissues & Histology16m
- Introduction to Epithelial Tissue24m
- Characteristics of Epithelial Tissue35m
- Structural Naming of Epithelial Tissue19m
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- Introduction to the Integumentary System14m
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- Introduction to the Central Nervous System18m
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10. The Respiratory System
Pressure in the Lungs and Pleural Cavity
Multiple Choice
What factor is most important in keeping the lungs from collapsing?
A
a) Collagen.
B
Intrapleural pressure.
C
Elastin.
D
Fluid lining the alveoli.
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