Exam 12: Quality Systems in the Pulmonary Function Laboratory

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A 50-ml sine-wave pump is used to calibrate a 450-L plethysmograph.While the pump is running,the computer display shows a deflection of 25 cm.What is the box calibration factor for this system?

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What would be your next action after reviewing the data from the following level 1 PaO2 QC Levy-Jennings plot? What would be your next action after reviewing the data from the following level 1 PaO<sub>2</sub> QC Levy-Jennings plot?

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A 3-L syringe is used to calibrate a flow-sensing spirometer;the spirometer reads a volume of 3.04 L.The software correction factor for this system would be which of the following?

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Quality control of a body plethysmograph is performed using an isothermal lung analog and a biologic control subject with the following results: Quality control of a body plethysmograph is performed using an isothermal lung analog and a biologic control subject with the following results:   On the basis of these findings,the pulmonary function technologist should conclude what? On the basis of these findings,the pulmonary function technologist should conclude what?

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Quality control run on a PO2 electrode shows the following results when plotted on a QC chart: Quality control run on a PO<sub>2</sub> electrode shows the following results when plotted on a QC chart:   Which of the following best describes the result of run 7? Which of the following best describes the result of run 7?

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The acceptable range for accuracy of a spirometer checked with a 3-L syringe is:

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According to ATS-ERS recommendations (2005),a computer display of flow-volume curves should have a scale factor of:

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A CO2 analyzer is calibrated using a 5% CO2 mixture with the sampling pump set at 500 ml/min;a water vapor absorber is then added to the sample line.Which of the following should be done before using this system?

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While performing a calibration check of a spirometer using a 3.00-L syringe,2.84 L is measured.What should you do next?

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A pulmonary function technologist uses an isothermal lung analog to check the accuracy of a constant volume plethysmograph.The lung analog has a volume of 4.00 L.Simulating the VTG maneuver produces the following volumes: A pulmonary function technologist uses an isothermal lung analog to check the accuracy of a constant volume plethysmograph.The lung analog has a volume of 4.00 L.Simulating the V<sub>TG</sub> maneuver produces the following volumes:   On the basis of these findings,the technologist should: On the basis of these findings,the technologist should:

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The pulmonary function technologist should observe which of the following precautions in drawing an arterial blood sample?

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A 3-L syringe is used to check the calibration of a portable spirometer,and the following results are obtained: A 3-L syringe is used to check the calibration of a portable spirometer,and the following results are obtained:   Which of the following best describes these findings? Which of the following best describes these findings?

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All of the following statements are important ATS instrument specifications except:

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