The calibration gas for a blood gas analyzer contains 20.1% O2 and 4.99% CO2.If the barometric pressure is 744 mm Hg,what is the partial pressure of gas used to calibrate the PCO2 electrode?

A) 149.5 mm Hg B) 140.0 mm Hg C) 37.1 mm Hg D) 34.8 mm Hg A) 149.5 mm Hg B) 140.0 mm Hg C) 37.1 mm Hg D) 34.8 mm Hg

Which of the following control materials would be best suited for quality control of a PO2 electrode used to measure O2 tensions less than 50 mm Hg?

A) Fluorocarbon-based control B) Aqueous-based control C) Tonometered buffer D) Tonometered whole blood A) Fluorocarbon-based control B) Aqueous-based control C) Tonometered buffer D) Tonometered whole blood

Exam 12: Quality Systems in the Pulmonary Function Laboratory

Spirometers used to measure FEV₁ should be able to measure flows in the range of 0 to 14 L/sec (ATS-ERS,2005).The maximal resistance allowable at all flows is:

(Multiple Choice)

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Question 21

A pulmonary function technologist injects 3-L volumes from a calibration syringe into a spirometer that uses a turbine device to sense flow.The following results are observed: The pulmonary function technologist should:

(Multiple Choice)

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Question 22

A patient performs spirometry,and the following results are obtained: The pulmonary function technologist should conclude which of the following?

(Multiple Choice)

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Question 23

A patient who is short of breath performs eight FVC maneuvers,and these results from the three best efforts are recorded: Which of the following is appropriate to report in the technologist's comments?

(Multiple Choice)

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Question 24

A 3-L syringe is used to calibrate a computerized spirometer;at ATPS the spirometer reads a volume of 2.94 L.The software correction factor for this system is:

(Multiple Choice)

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Question 25

Quality control runs on a PCO₂ electrode have produced a mean of 40 mm Hg ± 2 mm Hg (1 SD).What are the chances of obtaining a value of 45 mm Hg on a control run if the electrode is functioning properly?

(Multiple Choice)

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Question 26

A patient whose VC is 3.5 L performs two DLCOsb maneuvers with the following results: The pulmonary function technologist should do which of the following?

(Multiple Choice)

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Question 27

A biologic control subject has an established FVC of 5.00 L with an SD of 0.20 L.After spirometer maintenance,the following values are obtained from the biologic control: On the basis of these findings,the pulmonary function technologist should conclude what?

(Multiple Choice)

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Question 28

The greatest risk of cross-contamination in the pulmonary function laboratory is associated with:

(Multiple Choice)

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Question 29

According to the current ATS-ERS guidelines,spirometers should be able to measure volumes of at least:

(Multiple Choice)

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Question 30

The calibration gas for a blood gas analyzer contains 20.1% O₂ and 4.99% CO₂.If the barometric pressure is 744 mm Hg,what is the partial pressure of gas used to calibrate the PCO₂ electrode?

(Multiple Choice)

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Question 31

The technologist is following a procedure for measuring the correct height of a patient.This step is from which portion of the path of workflow?

(Multiple Choice)

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Question 32

Multiple injections from a 3-L syringe into a flow-based spirometer produce an average reading of 2.92 L.This value indicates:

(Multiple Choice)

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Question 33

According to ATS recommendations,the acceptable "back pressure" (flow resistance)from a spirometer is less than _ cm H₂O at _ L/sec.

(Multiple Choice)

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Question 34

A pulmonary laboratory has purchased a new plethysmograph.During the installation process,the technologist verifies the data integrity.Which QSE is the technologist following?

(Multiple Choice)

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Question 35

Which of the following control materials would be best suited for quality control of a PO₂electrode used to measure O₂tensions less than 50 mm Hg?

(Multiple Choice)

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Question 36

A helium analyzer is checked using a 3-L syringe;300 ml of He is added to 2.70 L of air in the syringe.If the dead space of the syringe and tubing is 100 ml,what is the expected concentration of He in the syringe?

(Multiple Choice)

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(37)

Question 37

Quality control of an automated DLCO system is performed using a 3-L syringe.The syringe is filled to 1.5 L with room air and is then connected to the system.A simulated DLCOsb maneuver is performed with 1.5 L of test gas drawn into the syringe.Acceptable performance of the gas analyzers should produce a DLCO of approximately:

(Multiple Choice)

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Question 38

According to the ATS-ERS recommendations,when using a 3.00-L syringe to check spirometer calibration,which of the following represents an acceptable difference between the expected and actual result?

(Multiple Choice)

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Question 39

An automated blood gas analyzer performs two-point calibrations that match expected values.Subsequent quality control runs show unacceptable values for PO₂ and PCO₂,but pH is acceptable.Which of the following is the most likely problem?

(Multiple Choice)

5.0/5

(30)

Question 40

Showing 21 - 40 of 53

Spirometers used to measure FEV₁ should be able to measure flows in the range of 0 to 14 L/sec (ATS-ERS,2005).The maximal resistance allowable at all flows is:

A pulmonary function technologist injects 3-L volumes from a calibration syringe into a spirometer that uses a turbine device to sense flow.The following results are observed: The pulmonary function technologist should:

A patient performs spirometry,and the following results are obtained: The pulmonary function technologist should conclude which of the following?

A patient who is short of breath performs eight FVC maneuvers,and these results from the three best efforts are recorded: Which of the following is appropriate to report in the technologist's comments?

A 3-L syringe is used to calibrate a computerized spirometer;at ATPS the spirometer reads a volume of 2.94 L.The software correction factor for this system is:

Quality control runs on a PCO₂ electrode have produced a mean of 40 mm Hg ± 2 mm Hg (1 SD).What are the chances of obtaining a value of 45 mm Hg on a control run if the electrode is functioning properly?

A patient whose VC is 3.5 L performs two DLCOsb maneuvers with the following results: The pulmonary function technologist should do which of the following?

A biologic control subject has an established FVC of 5.00 L with an SD of 0.20 L.After spirometer maintenance,the following values are obtained from the biologic control: On the basis of these findings,the pulmonary function technologist should conclude what?

The greatest risk of cross-contamination in the pulmonary function laboratory is associated with:

According to the current ATS-ERS guidelines,spirometers should be able to measure volumes of at least:

The calibration gas for a blood gas analyzer contains 20.1% O₂ and 4.99% CO₂.If the barometric pressure is 744 mm Hg,what is the partial pressure of gas used to calibrate the PCO₂ electrode?

The technologist is following a procedure for measuring the correct height of a patient.This step is from which portion of the path of workflow?

Multiple injections from a 3-L syringe into a flow-based spirometer produce an average reading of 2.92 L.This value indicates:

According to ATS recommendations,the acceptable "back pressure" (flow resistance)from a spirometer is less than _ cm H₂O at _ L/sec.

A pulmonary laboratory has purchased a new plethysmograph.During the installation process,the technologist verifies the data integrity.Which QSE is the technologist following?

Which of the following control materials would be best suited for quality control of a PO₂electrode used to measure O₂tensions less than 50 mm Hg?

A helium analyzer is checked using a 3-L syringe;300 ml of He is added to 2.70 L of air in the syringe.If the dead space of the syringe and tubing is 100 ml,what is the expected concentration of He in the syringe?

According to the ATS-ERS recommendations,when using a 3.00-L syringe to check spirometer calibration,which of the following represents an acceptable difference between the expected and actual result?

An automated blood gas analyzer performs two-point calibrations that match expected values.Subsequent quality control runs show unacceptable values for PO₂ and PCO₂,but pH is acceptable.Which of the following is the most likely problem?

Indications for Pulmonary Function Testing

Spirometry

Diffusing Capacity Tests

Lung Volumes,airway Resistance,and Gas Distribution Tests

Ventilation and Ventilatory Control Tests

Blood Gases and Related Tests

Cardiopulmonary Exercise Testing

Pediatric Pulmonary Function Tests

Bronchoprovocation Testing

Specialized Test Regimens

Pulmonary Function Test Equipment

Reference Values and Interpretation Strategies

Filters

Exam 12: Quality Systems in the Pulmonary Function Laboratory

Spirometers used to measure FEV1 should be able to measure flows in the range of 0 to 14 L/sec (ATS-ERS,2005).The maximal resistance allowable at all flows is:

A pulmonary function technologist injects 3-L volumes from a calibration syringe into a spirometer that uses a turbine device to sense flow.The following results are observed: The pulmonary function technologist should:

A patient performs spirometry,and the following results are obtained: The pulmonary function technologist should conclude which of the following?

A patient who is short of breath performs eight FVC maneuvers,and these results from the three best efforts are recorded: Which of the following is appropriate to report in the technologist's comments?

A 3-L syringe is used to calibrate a computerized spirometer;at ATPS the spirometer reads a volume of 2.94 L.The software correction factor for this system is:

Quality control runs on a PCO2 electrode have produced a mean of 40 mm Hg ± 2 mm Hg (1 SD).What are the chances of obtaining a value of 45 mm Hg on a control run if the electrode is functioning properly?

A patient whose VC is 3.5 L performs two DLCOsb maneuvers with the following results: The pulmonary function technologist should do which of the following?

A biologic control subject has an established FVC of 5.00 L with an SD of 0.20 L.After spirometer maintenance,the following values are obtained from the biologic control: On the basis of these findings,the pulmonary function technologist should conclude what?

The greatest risk of cross-contamination in the pulmonary function laboratory is associated with:

According to the current ATS-ERS guidelines,spirometers should be able to measure volumes of at least:

The calibration gas for a blood gas analyzer contains 20.1% O2 and 4.99% CO2.If the barometric pressure is 744 mm Hg,what is the partial pressure of gas used to calibrate the PCO2 electrode?

The technologist is following a procedure for measuring the correct height of a patient.This step is from which portion of the path of workflow?

Multiple injections from a 3-L syringe into a flow-based spirometer produce an average reading of 2.92 L.This value indicates:

According to ATS recommendations,the acceptable "back pressure" (flow resistance)from a spirometer is less than _____ cm H2O at _____ L/sec.

A pulmonary laboratory has purchased a new plethysmograph.During the installation process,the technologist verifies the data integrity.Which QSE is the technologist following?

Which of the following control materials would be best suited for quality control of a PO2 electrode used to measure O2 tensions less than 50 mm Hg?

A helium analyzer is checked using a 3-L syringe;300 ml of He is added to 2.70 L of air in the syringe.If the dead space of the syringe and tubing is 100 ml,what is the expected concentration of He in the syringe?

According to the ATS-ERS recommendations,when using a 3.00-L syringe to check spirometer calibration,which of the following represents an acceptable difference between the expected and actual result?

An automated blood gas analyzer performs two-point calibrations that match expected values.Subsequent quality control runs show unacceptable values for PO2 and PCO2,but pH is acceptable.Which of the following is the most likely problem?

Indications for Pulmonary Function Testing

Spirometry

Diffusing Capacity Tests

Lung Volumes,airway Resistance,and Gas Distribution Tests

Ventilation and Ventilatory Control Tests

Blood Gases and Related Tests

Cardiopulmonary Exercise Testing

Pediatric Pulmonary Function Tests

Bronchoprovocation Testing

Specialized Test Regimens

Pulmonary Function Test Equipment

Reference Values and Interpretation Strategies

Filters

Spirometers used to measure FEV₁ should be able to measure flows in the range of 0 to 14 L/sec (ATS-ERS,2005).The maximal resistance allowable at all flows is:

Quality control runs on a PCO₂ electrode have produced a mean of 40 mm Hg ± 2 mm Hg (1 SD).What are the chances of obtaining a value of 45 mm Hg on a control run if the electrode is functioning properly?

The calibration gas for a blood gas analyzer contains 20.1% O₂ and 4.99% CO₂.If the barometric pressure is 744 mm Hg,what is the partial pressure of gas used to calibrate the PCO₂ electrode?

According to ATS recommendations,the acceptable "back pressure" (flow resistance)from a spirometer is less than _ cm H₂O at _ L/sec.

Which of the following control materials would be best suited for quality control of a PO₂electrode used to measure O₂tensions less than 50 mm Hg?

An automated blood gas analyzer performs two-point calibrations that match expected values.Subsequent quality control runs show unacceptable values for PO₂ and PCO₂,but pH is acceptable.Which of the following is the most likely problem?