Question 1

What is the name for a pressure differential flow sensor that uses one or more screens?

Accepted Answer

A)  Fleisch 
B)  Silverman 
C)  Wright 
D)  Pitot 
A)  Fleisch 
B)  Silverman 
C)  Wright 
D)  Pitot B

Question 2

The polarographic electrode measures partial pressure of O2 by:

Accepted Answer

A)  Measuring the intensity of polarized light 
B)  Reducing O2 molecules with a platinum cathode 
C)  Binding O2 molecules to a ceramic disk 
D)  Detecting magnetic force lines generated by O2 molecules 
A)  Measuring the intensity of polarized light 
B)  Reducing O2 molecules with a platinum cathode 
C)  Binding O2 molecules to a ceramic disk 
D)  Detecting magnetic force lines generated by O2 molecules B

Question 3

What analyzer uses a Geissler tube,vacuum pump,and ion chamber?

Accepted Answer

A)  Zirconium fuel cell 
B)  Emission spectroscopy 
C)  Infrared 
D)  Thermoconductivity 
A)  Zirconium fuel cell 
B)  Emission spectroscopy 
C)  Infrared 
D)  Thermoconductivity B

Question 4

A bellows-type spirometer is calibrated using a 3-L syringe,and the following data are recorded: 2.56 L
2)57 L
2)54 L
Which of the following is the most likely explanation for these results?

Accepted Answer

A)  A worn potentiometer 
B)  Sticking bellows 
C)  Nonlaminar flow 
D)  An exhausted water absorber 
A)  A worn potentiometer 
B)  Sticking bellows 
C)  Nonlaminar flow 
D)  An exhausted water absorber

Question 5

Which of the following can alter the calibration of a spirometer that uses a pressure-differential pneumotachometer?

Accepted Answer

A)  Development of laminar flow in the pneumotachometer 
B)  Allowing a healthy adult subject to exhale maximally through it 
C)  Exhaustion of the water absorber (desiccant) 
D)  Water droplet condensation in the resistive element 
A)  Development of laminar flow in the pneumotachometer 
B)  Allowing a healthy adult subject to exhale maximally through it 
C)  Exhaustion of the water absorber (desiccant) 
D)  Water droplet condensation in the resistive element

Question 6

Which of the following types of gas analyzers can be used for breath-by-breath measurements of CO2?

Accepted Answer

A)  Infrared 
B)  Polarographic 
C)  Zirconium fuel cell 
D)  Thermal conductivity 
A)  Infrared 
B)  Polarographic 
C)  Zirconium fuel cell 
D)  Thermal conductivity

Question 7

Pulse oximeters measure which of the following forms of Hb?

Accepted Answer

A)  RHb,total Hb 
B)  RHb,O2Hb 
C)  O2Hb,COHb 
D)  COHb,MetHb 
A)  RHb,total Hb 
B)  RHb,O2Hb 
C)  O2Hb,COHb 
D)  COHb,MetHb

Question 8

Which type of gas analyzer uses a vacuum pump to allow ionization of gas to take place?

Accepted Answer

A)  Gas chromatograph 
B)  Emission spectroscopy 
C)  Infrared absorption 
D)  Thermal conductivity 
A)  Gas chromatograph 
B)  Emission spectroscopy 
C)  Infrared absorption 
D)  Thermal conductivity

Question 9

Integration is used to measure volume in which of the following types of spirometers?

Accepted Answer

A)  Pressure differential pneumotachometer 
B)  Turbine spirometer 
C)  Dry rolling-seal spirometer 
D)  Wedge-bellows spirometer 
A)  Pressure differential pneumotachometer 
B)  Turbine spirometer 
C)  Dry rolling-seal spirometer 
D)  Wedge-bellows spirometer

Question 10

Pressure differential pneumotachometers are often heated to:

Accepted Answer

A)  Correct results from ATPS to BTPS. 
B)  Ensure development of laminar flow in the flow sensor. 
C)  Prevent condensation of the resistive element. 
D)  Detect slight changes in gas flow. 
A)  Correct results from ATPS to BTPS. 
B)  Ensure development of laminar flow in the flow sensor. 
C)  Prevent condensation of the resistive element. 
D)  Detect slight changes in gas flow.

Question 11

Shivering affects the reading of a typical pulse oximeter by:

Accepted Answer

A)  Making the heart rate display (if present)read too low 
B)  Causing a complete loss of signal (no saturation displayed) 
C)  Causing the saturation to be displayed as 100% 
D)  Forcing the saturation toward a value of 85% 
A)  Making the heart rate display (if present)read too low 
B)  Causing a complete loss of signal (no saturation displayed) 
C)  Causing the saturation to be displayed as 100% 
D)  Forcing the saturation toward a value of 85%

Question 12

A dry rolling-seal spirometer is checked by injecting 3-L volumes at different flows (high,medium,and low)with the following results:   Which of the following explains these data?

Accepted Answer

A)  An improperly functioning bacteria filter is in the circuit. 
B)  The rolling-seal is sticking or leaking. 
C)  The spirometer has not been calibrated. 
D)  The 3-L volume is being corrected to BTPS. 
A)  An improperly functioning bacteria filter is in the circuit. 
B)  The rolling-seal is sticking or leaking. 
C)  The spirometer has not been calibrated. 
D)  The 3-L volume is being corrected to BTPS.

Question 13

The purpose of the "chopper" device in conventional infrared analyzers is to:

Accepted Answer

A)  Interrupt the flow of gas through the connective tubing. 
B)  Create a vacuum to allow gas to be ionized. 
C)  Alternate the radiation reaching the reference and detector cells. 
D)  Protect the infrared detector from excessive exposure. 
A)  Interrupt the flow of gas through the connective tubing. 
B)  Create a vacuum to allow gas to be ionized. 
C)  Alternate the radiation reaching the reference and detector cells. 
D)  Protect the infrared detector from excessive exposure.

Question 14

Which of the following is an example of a flow measuring spirometer?

Accepted Answer

A)  Dry rolling seal 
B)  Water seal 
C)  Heated-wire anemometers 
D)  Wedge 
A)  Dry rolling seal 
B)  Water seal 
C)  Heated-wire anemometers 
D)  Wedge

Question 15

Which of the following can be used to measure methemoglobin?

Accepted Answer

A)  Spectrophotometric oximeter 
B)  Pulse oximeter 
C)  Automated blood gas analyzer 
D)  Reflective spectrophotometer 
A)  Spectrophotometric oximeter 
B)  Pulse oximeter 
C)  Automated blood gas analyzer 
D)  Reflective spectrophotometer

Question 16

Portable peak flowmeters for small children should be able to measure flows up to how many liters per minute?

Accepted Answer

A)  100 L/min 
B)  400 L/min 
C)  700 L/min 
D)  850 L/min 
A)  100 L/min 
B)  400 L/min 
C)  700 L/min 
D)  850 L/min

Question 17

Which of the following devices can be used to measure Hb concentration?

Accepted Answer

A)  Reflective spectrophotometer 
B)  Pulse oximeter 
C)  Transcutaneous PO2 sensor 
D)  Spectrophotometric oximeter 
A)  Reflective spectrophotometer 
B)  Pulse oximeter 
C)  Transcutaneous PO2 sensor 
D)  Spectrophotometric oximeter

Question 18

The number of complete pulmonary function tests that can be permanently stored by a computer depends on:

Accepted Answer

A)  Whether the computer uses PROMs or EPROMs 
B)  The amount of RAM available (in megabytes) 
C)  The presence of a built-in CD-ROM device 
D)  The capacity of the hard disk 
A)  Whether the computer uses PROMs or EPROMs 
B)  The amount of RAM available (in megabytes) 
C)  The presence of a built-in CD-ROM device 
D)  The capacity of the hard disk

Question 19

The flow-type plethysmograph differs from the constant volume (variable-pressure)plethysmograph in which of the following ways?

Accepted Answer

A)  Forced expiratory maneuvers can be performed with the door closed. 
B)  Flow boxes must be rigorously air-tight. 
C)  Thoracic gas volume cannot be measured directly. 
D)  Airway resistance can be measured in small children. 
A)  Forced expiratory maneuvers can be performed with the door closed. 
B)  Flow boxes must be rigorously air-tight. 
C)  Thoracic gas volume cannot be measured directly. 
D)  Airway resistance can be measured in small children.

Question 20

To interface a water-sealed spirometer to a computer,which of the following is required?

Accepted Answer

A)  An X-Y plotter with analog input 
B)  A variable-speed kymograph 
C)  A small pneumotachometer 
D)  A linear potentiometer 
A)  An X-Y plotter with analog input 
B)  A variable-speed kymograph 
C)  A small pneumotachometer 
D)  A linear potentiometer

What is the name for a pressure differential flow sensor that uses one or more screens?

The polarographic electrode measures partial pressure of O₂ by:

What analyzer uses a Geissler tube,vacuum pump,and ion chamber?

A bellows-type spirometer is calibrated using a 3-L syringe,and the following data are recorded: 2.56 L 2)57 L 2)54 L Which of the following is the most likely explanation for these results?

Which of the following can alter the calibration of a spirometer that uses a pressure-differential pneumotachometer?

Which of the following types of gas analyzers can be used for breath-by-breath measurements of CO₂?

Pulse oximeters measure which of the following forms of Hb?

Which type of gas analyzer uses a vacuum pump to allow ionization of gas to take place?

Integration is used to measure volume in which of the following types of spirometers?

Pressure differential pneumotachometers are often heated to:

Shivering affects the reading of a typical pulse oximeter by:

A dry rolling-seal spirometer is checked by injecting 3-L volumes at different flows (high,medium,and low)with the following results: Which of the following explains these data?

The purpose of the "chopper" device in conventional infrared analyzers is to:

Which of the following is an example of a flow measuring spirometer?

Which of the following can be used to measure methemoglobin?

Portable peak flowmeters for small children should be able to measure flows up to how many liters per minute?

Which of the following devices can be used to measure Hb concentration?

The number of complete pulmonary function tests that can be permanently stored by a computer depends on:

The flow-type plethysmograph differs from the constant volume (variable-pressure)plethysmograph in which of the following ways?

To interface a water-sealed spirometer to a computer,which of the following is required?

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

Quality Systems in the Pulmonary Function Laboratory

Reference Values and Interpretation Strategies

Filters

Exam 11: Pulmonary Function Test Equipment

What is the name for a pressure differential flow sensor that uses one or more screens?

The polarographic electrode measures partial pressure of O2 by:

What analyzer uses a Geissler tube,vacuum pump,and ion chamber?

A bellows-type spirometer is calibrated using a 3-L syringe,and the following data are recorded: 2.56 L 2)57 L 2)54 L Which of the following is the most likely explanation for these results?

Which of the following can alter the calibration of a spirometer that uses a pressure-differential pneumotachometer?

Which of the following types of gas analyzers can be used for breath-by-breath measurements of CO2?

Pulse oximeters measure which of the following forms of Hb?

Which type of gas analyzer uses a vacuum pump to allow ionization of gas to take place?

Integration is used to measure volume in which of the following types of spirometers?

Pressure differential pneumotachometers are often heated to:

Shivering affects the reading of a typical pulse oximeter by:

A dry rolling-seal spirometer is checked by injecting 3-L volumes at different flows (high,medium,and low)with the following results: Which of the following explains these data?

The purpose of the "chopper" device in conventional infrared analyzers is to:

Which of the following is an example of a flow measuring spirometer?

Which of the following can be used to measure methemoglobin?

Portable peak flowmeters for small children should be able to measure flows up to how many liters per minute?

Which of the following devices can be used to measure Hb concentration?

The number of complete pulmonary function tests that can be permanently stored by a computer depends on:

The flow-type plethysmograph differs from the constant volume (variable-pressure)plethysmograph in which of the following ways?

To interface a water-sealed spirometer to a computer,which of the following is required?

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

Quality Systems in the Pulmonary Function Laboratory

Reference Values and Interpretation Strategies

Filters

The polarographic electrode measures partial pressure of O₂ by:

Which of the following types of gas analyzers can be used for breath-by-breath measurements of CO₂?