Which of the Following Statements About the Equal Pressure Point

question 54

Multiple Choice

Which of the following statements about the equal pressure point (EPP) is true?

• A) As gas travels from the EPP to the mouth, greater expiratory effort increases flow.
• B) At the EPP, pressure inside the airway exceeds P_pl.
• C) The EPP normally occurs at volumes greatly below the FRC.
• D) Upstream from the EPP (toward the alveoli), P_pl exceeds pressure in the airway.

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Definitions:

Reducing Sugar

Any sugar that is capable of acting as a reducing agent because it has a free aldehyde group or a free ketone group.

α-D-Fructofuranose

An isomer of fructose where the furanose ring form predominates, characterized by its specific configuration at the anomeric carbon.

Methyl Glycoside

Glycosides formed by the reaction of a sugar with methanol, characterized by a methoxy group replacing the glycosidic hydroxyl group of the sugar.

Mutarotation

The change in optical rotation due to the change in equilibrium between two anomers of a sugar solution over time.