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Respiratory Volumes and Gas Exchange Quiz

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Respiratory Volumes and Gas Exchange Quiz

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Questions and Answers

What is the average Tidal Volume (TV) of a healthy individual?

2500 mL

500 mL (correct)

8000 mL

1000 mL

The Expiratory Reserve Volume (ERV) is higher than the Inspiratory Reserve Volume (IRV).

False

What drives the gas exchange in the alveoli?

Simple diffusion

The average Expiratory Reserve Volume (ERV) is approximately ______ mL.

1000 to 1100 Signup and view all the answers

Match the following respiratory volumes with their definitions:

Tidal Volume (TV) = Volume of air during normal respiration Inspiratory Reserve Volume (IRV) = Additional volume that can be inspired Expiratory Reserve Volume (ERV) = Additional volume that can be expired Alveoli = Sites of gas exchange Signup and view all the answers

What is the function of the alveoli in the respiratory system?

To facilitate gas exchange Signup and view all the answers

Residual volume is the amount of air that can be forcibly exhaled after normal breathing.

False Signup and view all the answers

What is the average range of residual volume in the lungs?

1100 ml to 1200 ml Signup and view all the answers

The total volume of air a person can expire after a normal inspiration is known as __________.

Expiratory Capacity Signup and view all the answers

What directly affects the rate of diffusion of gases in the alveoli?

All of the above Signup and view all the answers

Match the respiratory volumes/capacities with their definitions:

Residual Volume = Volume of air remaining in lungs after forceful expiration Inspiratory Capacity = Total air volume inspired after normal expiration Vital Capacity = Maximum air volume breathed in after forced expiration Total Lung Capacity = Total air volume in lungs after forced inspiration Signup and view all the answers

The partial pressure of carbon dioxide is higher in deoxygenated blood than in the alveoli.

True Signup and view all the answers

Functional Residual Capacity (FRC) is the volume of air that remains in the lungs after __________.

normal expiration Signup and view all the answers