The amount of effort needed to maintain a given level of ventilation is termed:
a. compliance.
b. resistance.
c. tidal volume.
d. work of breathing.
D
Work of breathing is the amount of effort needed to maintain a given level of ventilation. Compliance is a measure of the distensibility, or stretchability, of the lung and chest wall. Resistance refers to the opposition to the flow of gases in the airways. Tidal volume is the volume of air in a typical breath.
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