Question 1

Which reactions take place near the sensing electrode of an electrochemical NO analyzer?

Accepted Answer

A)  2H₂O 4H⁺ + 4e- + O₂ 
B)  O₂ + 4H⁺ + 4e- → 2H₂O 
C)  4NO + 2H₂O + 2O₂ → 4HNO₃ 
D)  NO + 2H₂O HNO₃ + 3H⁺+ 3e- 
A)  2H₂O 4H⁺ + 4e- + O₂ 
B)  O₂ + 4H⁺ + 4e- → 2H₂O 
C)  4NO + 2H₂O + 2O₂ → 4HNO₃ 
D)  NO + 2H₂O HNO₃ + 3H⁺+ 3e-

Question 2

In the figure,the amount of pressure required to overcome elastic forces is represented by which of the letters?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 3

Which of the following devices is bidirectional?

Accepted Answer

A)  Turbine flowmeter 
B)  Screen pneumotachograph 
C)  Vortex ultrasonic flowmeter 
D)  Variable-orifice pneumotachograph 
A)  Turbine flowmeter 
B)  Screen pneumotachograph 
C)  Vortex ultrasonic flowmeter 
D)  Variable-orifice pneumotachograph

Question 4

The visual picture of volume and flow measurements is known as which of the following?

Accepted Answer

A)  Spirogram 
B)  Spirometer 
C)  Kymograph 
D)  Turbine flowmeter 
A)  Spirogram 
B)  Spirometer 
C)  Kymograph 
D)  Turbine flowmeter

Question 5

Newer ventilators can make tidal volume and minute volume measurements by incorporating which of the following?

Accepted Answer

A)  Capnograph 
B)  Anemometer 
C)  Flow transducer 
D)  Pressure transducer 
A)  Capnograph 
B)  Anemometer 
C)  Flow transducer 
D)  Pressure transducer

Question 6

The expected respiratory quotient of a patient with severe sepsis is:

Accepted Answer

A)  0.7. 
B)  0.8. 
C)  1.0. 
D)  >1.0. 
A)  0.7. 
B)  0.8. 
C)  1.0. 
D)  >1.0.

Question 7

What speed should be used for the rotating drum of a water-sealed spirometer to measure volume changes during a forced vital capacity maneuver?

Accepted Answer

A)  16 mm/min 
B)  32 mm/min 
C)  160 mm/min 
D)  1920 mm/min 
A)  16 mm/min 
B)  32 mm/min 
C)  160 mm/min 
D)  1920 mm/min

Question 8

Impedance plethysmographs operate by using _____-frequency,_____-amplitude electrical current.

Accepted Answer

A)  Low; low 
B)  High; low 
C)  Low; high 
D)  High; high 
A)  Low; low 
B)  High; low 
C)  Low; high 
D)  High; high

Question 9

The best method for accurately measuring the thoracic gas volume of a patient with emphysema is:

Accepted Answer

A)  helium dilution. 
B)  nitrogen washout. 
C)  pressure plethysmography. 
D)  chemiluminescence monitoring. 
A)  helium dilution. 
B)  nitrogen washout. 
C)  pressure plethysmography. 
D)  chemiluminescence monitoring.

Question 10

In the figure,what does area X represent?

Accepted Answer

A)  Amount of CO₂ not eliminated because of alveolar dead space 
B)  Amount of CO₂ not eliminated due to anatomic dead space 
C)  Amount of CO₂ in a single breath 
D)  Amount of CO₂ rebreathed 
A)  Amount of CO₂ not eliminated because of alveolar dead space 
B)  Amount of CO₂ not eliminated due to anatomic dead space 
C)  Amount of CO₂ in a single breath 
D)  Amount of CO₂ rebreathed

Question 11

Which of the following equipment is necessary to perform a nitrogen washout test?

Accepted Answer

A)  Pneumotachometer 
B)  Carbon dioxide (CO₂) absorber 
C)  Drying column 
D)  Pressure transducer 
A)  Pneumotachometer 
B)  Carbon dioxide (CO₂) absorber 
C)  Drying column 
D)  Pressure transducer

Question 12

Electrical analyzers operate by using which of the following?

Accepted Answer

A)  Clark electrodes 
B)  Pauling's principle 
C)  Thermal conductivity 
D)  Oxygen-mediated chemical reaction 
A)  Clark electrodes 
B)  Pauling's principle 
C)  Thermal conductivity 
D)  Oxygen-mediated chemical reaction

Question 13

The bell factor for a 9-L water-sealed spirometer bell is _____ mL/mm.

Accepted Answer

A)  13.5 
B)  29.3 
C)  20.93 
D)  41.73 
A)  13.5 
B)  29.3 
C)  20.93 
D)  41.73

Question 14

Expiratory residual volume plus residual volume equals:

Accepted Answer

A)  functional residual capacity. 
B)  inspiratory capacity. 
C)  total lung capacity. 
D)  vital capacity. 
A)  functional residual capacity. 
B)  inspiratory capacity. 
C)  total lung capacity. 
D)  vital capacity.

Question 15

Which gas law is applicable when considering Raw?

Accepted Answer

A)  Boyle's 
B)  Charles' 
C)  Poiseuille's 
D)  Avogadro's 
A)  Boyle's 
B)  Charles' 
C)  Poiseuille's 
D)  Avogadro's

Question 16

End-tidal CO₂ is measured with a capnograph during the _____ of phase _____.

Accepted Answer

A)  end; 3 
B)  end; 4 
C)  middle; 2 
D)  beginning; 3 
A)  end; 3 
B)  end; 4 
C)  middle; 2 
D)  beginning; 3

Question 17

________ is used to measure lung-volume changes by collecting exhaled gas into an expandable wedge-shaped device.

Accepted Answer

A)  A bellows spirometer 
B)  A water-sealed spirometer 
C)  A vortex pneumotachometer 
D)  A screen pneumotachometer 
A)  A bellows spirometer 
B)  A water-sealed spirometer 
C)  A vortex pneumotachometer 
D)  A screen pneumotachometer

Question 18

A screen pneumotachograph is:

Accepted Answer

A)  built with metal struts. 
B)  expensive and non-disposable. 
C)  bidirectional and very accurate. 
D)  heated to prevent condensation. 
A)  built with metal struts. 
B)  expensive and non-disposable. 
C)  bidirectional and very accurate. 
D)  heated to prevent condensation.

Question 19

Peak flowmeters are calibrated in which of the following units?

Accepted Answer

A)  liters/second 
B)  liters/minute 
C)  milliliters/second 
D)  millimeters/minute 
A)  liters/second 
B)  liters/minute 
C)  milliliters/second 
D)  millimeters/minute

Question 20

A decrease in perfusion of the alveoli will lead to which of the following?

Accepted Answer

A)  Alveolar shunt 
B)  Extra-alveolar shunt 
C)  Anatomic dead space 
D)  Physiologic dead space 
A)  Alveolar shunt 
B)  Extra-alveolar shunt 
C)  Anatomic dead space 
D)  Physiologic dead space

Which reactions take place near the sensing electrode of an electrochemical NO analyzer?

In the figure,the amount of pressure required to overcome elastic forces is represented by which of the letters?

Which of the following devices is bidirectional?

The visual picture of volume and flow measurements is known as which of the following?

Newer ventilators can make tidal volume and minute volume measurements by incorporating which of the following?

The expected respiratory quotient of a patient with severe sepsis is:

What speed should be used for the rotating drum of a water-sealed spirometer to measure volume changes during a forced vital capacity maneuver?

Impedance plethysmographs operate by using _-frequency,_-amplitude electrical current.

The best method for accurately measuring the thoracic gas volume of a patient with emphysema is:

In the figure,what does area X represent?

Which of the following equipment is necessary to perform a nitrogen washout test?

Electrical analyzers operate by using which of the following?

The bell factor for a 9-L water-sealed spirometer bell is _____ mL/mm.

Expiratory residual volume plus residual volume equals:

Which gas law is applicable when considering Raw?

End-tidal CO₂ is measured with a capnograph during the _ of phase _.

________ is used to measure lung-volume changes by collecting exhaled gas into an expandable wedge-shaped device.

A screen pneumotachograph is:

Peak flowmeters are calibrated in which of the following units?

A decrease in perfusion of the alveoli will lead to which of the following?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters

Exam 8: Assessment of Pulmonary Function

Which reactions take place near the sensing electrode of an electrochemical NO analyzer?

In the figure,the amount of pressure required to overcome elastic forces is represented by which of the letters?

Which of the following devices is bidirectional?

The visual picture of volume and flow measurements is known as which of the following?

Newer ventilators can make tidal volume and minute volume measurements by incorporating which of the following?

The expected respiratory quotient of a patient with severe sepsis is:

What speed should be used for the rotating drum of a water-sealed spirometer to measure volume changes during a forced vital capacity maneuver?

Impedance plethysmographs operate by using _____-frequency,_____-amplitude electrical current.

The best method for accurately measuring the thoracic gas volume of a patient with emphysema is:

In the figure,what does area X represent?

Which of the following equipment is necessary to perform a nitrogen washout test?

Electrical analyzers operate by using which of the following?

The bell factor for a 9-L water-sealed spirometer bell is _____ mL/mm.

Expiratory residual volume plus residual volume equals:

Which gas law is applicable when considering Raw?

End-tidal CO₂ is measured with a capnograph during the _____ of phase _____.

________ is used to measure lung-volume changes by collecting exhaled gas into an expandable wedge-shaped device.

A screen pneumotachograph is:

Peak flowmeters are calibrated in which of the following units?

A decrease in perfusion of the alveoli will lead to which of the following?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Cardiovascular Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters

Impedance plethysmographs operate by using _-frequency,_-amplitude electrical current.

End-tidal CO₂ is measured with a capnograph during the _ of phase _.