Tidal volume refers to the volume of air that is:
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Correct answer: Inspired or expired during normal quiet breathing
Tidal volume is the amount of air inhaled or exhaled during normal, quiet breathing. In a healthy adult, it is approximately 500 mL.
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More Lung Volumes and Capacities questions
- Which lung volume cannot be measured directly by simple spirometry?
- Inspiratory reserve volume represents the:
- Which combination constitutes vital capacity?
- Functional residual capacity is the volume of air present in the lungs:
- Which lung capacity includes residual volume?
- Total lung capacity is defined as: