Question

The largest quantity of air that can be expired after a maximal inspiratory effort is called
a. vital capacity
b. Total lung volume
c. Residual volume
d. Tidal volume

Answer 1

Vital capacity
total lung volume is the maximum lung capacity
tidal volume is the air inhaled or exhaled in a single breath

Answer 2

a. Vital capacity

Explanation:

• The maximal inspiratory effort is a pressure which measures the maximum required by the respiratory muscles to experience the inspiration or intake of gases.
• Vital capacity can be defined as the maximum volume of air that can be exhaled followed by the deep inspiration process.
• The vital capacity can be measured by the spirometer.
• The vital capacity can be found decreasing during the respiratory muscle weakness.

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