Which Is a Characteristic of the Residual Volume of Human

question 191

Multiple Choice

Which is a characteristic of the residual volume of human lungs?

• A) It is larger in healthy people than in people with respiratory disease.
• B) It equals the functional residual volume plus the expiratory reserve volume.
• C) It contributes to the dilution of oxygen in inhaled air.
• D) It can be measured directly with a spirometer.
• E) There are no indirect methods for determining it.

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