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Pulmonary Volumes and Capacities

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Questions and Answers

What is the purpose of understanding pulmonary volumes and capacities?

To monitor changes in lung function over time

To determine the ideal body type for athletes

To assess overall lung function and diagnose lung disorders (correct)

To calculate the amount of oxygen needed for breathing

What is the average tidal volume for a male?

3000 milliliters

1200 milliliters

1100 milliliters

500 milliliters (correct)

What is the purpose of the expiratory reserve volume (ERV)?

To measure the maximum amount of air that can be inspired

To measure the amount of air that can be inspired above the tidal volume

To measure the amount of air remaining in the lungs after normal expiration

To measure the extra volume of air that can be expired by forceful expiration (correct)

What is the average residual volume (RV)?

1200 milliliters Signup and view all the answers

What is the inspiratory capacity (IC)?

The amount of air a person can breathe in, starting from the normal expiratory level and distending the lungs to the maximum Signup and view all the answers

What is the functional residual capacity (FRC)?

The amount of air that remains in the lungs at the end of normal expiration Signup and view all the answers

How do pulmonary volumes and capacities differ among individuals?

They differ according to age, sex, and body type Signup and view all the answers

What is the purpose of measuring pulmonary volumes and capacities?

To assess overall lung function and diagnose lung disorders Signup and view all the answers

What is the relationship between the tidal volume (TV) and the inspiratory reserve volume (IRV)?

The TV is a subset of the IRV Signup and view all the answers