Multiple Choice
Which lung volumes are combined to provide the inspiratory capacity?
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22. The Respiratory System
Lung Volumes and Capacities
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which statement best describes tidal volume?
A
The volume of air inhaled or exhaled during a normal breath.
B
The volume of air remaining in the lungs after a normal exhalation.
C
The maximum volume of air that can be exhaled after a maximum inhalation.
D
The total volume of air the lungs can hold.
Verified step by step guidance1
Understand the concept of tidal volume: Tidal volume is the amount of air that is inhaled or exhaled during a normal breath when the body is at rest.
Differentiate tidal volume from other respiratory volumes: Tidal volume is distinct from other volumes such as residual volume, vital capacity, and total lung capacity.
Residual volume refers to the air remaining in the lungs after a forceful exhalation, not a normal breath.
Vital capacity is the maximum amount of air that can be exhaled after a maximum inhalation, which is different from the normal breath associated with tidal volume.
Total lung capacity is the sum of all lung volumes, including tidal volume, but it is not the same as the volume of air exchanged during a normal breath.
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