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The basic techniques quiz
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Which one of the following statements is true about a flow-resistive pneumotachograph?
Choose one
A decline in the temperature of the resistive element generates an electronic signal that is proportional to flow.
An increase in air flow rate across the flow-resistive element generates a voltage signal which is ultimately measured as flow.
A pressure gradient created across the resistive element generates an electronic signal which is proportional to the increase in flow rate.
A pneumotachograph cannot be used to measure inhaled or exhaled volumes.
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