What is the total volume of air that can be forcibly exhaled after a maximal inspiration?
Understand the Problem
The question is asking about the different lung volumes related to breathing, specifically what term describes the total volume of air that can be forcibly exhaled after taking the deepest breath possible. It lists four options related to lung volumes.
Answer
The total volume is about 4800 mL (vital capacity).
The total volume of air that can be forcibly exhaled after a maximal inspiration is about 4800 mL, also known as vital capacity (VC).
Answer for screen readers
The total volume of air that can be forcibly exhaled after a maximal inspiration is about 4800 mL, also known as vital capacity (VC).
More Information
Vital capacity is a key measurement in respiratory physiology. It varies with age, sex, body size, and physical condition. This capacity is significant in assessing the health and function of a person's respiratory system.
Tips
A common mistake is confusing vital capacity with total lung capacity (TLC), which includes the residual volume and is therefore greater.
Sources
- Lung Volumes - Physio-pedia - physio-pedia.com
- Lung Volumes and Capacities - Medcomic - medcomic.com
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