Which of the following methods allows measurement of gas in the lung of a patient with obstructed airways?
I.Helium dilution
II.End-tidal CO₂
III.Nitrogen washout
IV.Body plethysmography

Name: Which of the following methods allows measurement of gas in the lung of a patient with obstructed airways? I.Helium dilution II.End-tidal CO 2 III.Nitrogen washout IV.Body plethysmography
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Question

Which of the following methods allows measurement of gas in the lung of a patient with obstructed airways? I.Helium dilution II.End-tidal CO₂ III.Nitrogen washout IV.Body plethysmography

Quizplus · Accepted Answer

Neither the helium dilution nor the nitrogen washout techniques measure gas trapped behind occluded airways.

Which of the Following Methods Allows Measurement of Gas in the Lung