A Flow-Type Plethysmograph Measures Changes in Box Volume By

question 29

Multiple Choice

A flow-type plethysmograph measures changes in box volume by:

• A) Measuring pressure changes at the mouth
• B) Integrating flow through a sensor in the box wall
• C) Allowing the patient to breathe through a pneumotachometer
• D) Connecting a respirometer directly to the box

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