Question 1

What percent change in metabolic rate would you expect if a patient has a fever of 103° F?

Accepted Answer

A)  10% increase 
B)  20% increase 
C)  44% increase 
D)  25% decrease 
A)  10% increase 
B)  20% increase 
C)  44% increase 
D)  25% decrease

Question 2

The respiratory system compliance of a patient receiving mechanical ventilation when the returned tidal volume is 650 mL,the static pressure is 35 cm H₂O,and the positive end-expiratory pressure is 8 cm H₂O is _____ mL/cm H₂O.

Accepted Answer

A)  0.04 
B)  18.6 
C)  53.9 
D)  24 
A)  0.04 
B)  18.6 
C)  53.9 
D)  24

Question 3

At the alveolar level,when ventilation occurs with reduced or no perfusion,this condition is known as which of the following?

Accepted Answer

A)  Alveolar shunt 
B)  Anatomic shunt 
C)  Anatomic dead space 
D)  Functional dead space 
A)  Alveolar shunt 
B)  Anatomic shunt 
C)  Anatomic dead space 
D)  Functional dead space

Question 4

While working in the neonatal intensive care unit,a respiratory therapist notices that a baby with an apnea monitor is not breathing,but the apnea alarm is not ringing.Which of the following might cause this failure?
1)Tachypnea
2)Bradycardia
3)Excessive movement
4)Upper airway obstruction

Accepted Answer

A)  1 and 2 
B)  2 and 4 
C)  1 and 3 
D)  3 and 4 
A)  1 and 2 
B)  2 and 4 
C)  1 and 3 
D)  3 and 4

Question 5

The precision of an instrument depends on:

Accepted Answer

A)  linearity. 
B)  calibration. 
C)  repeatability. 
D)  frequency of response. 
A)  linearity. 
B)  calibration. 
C)  repeatability. 
D)  frequency of response.

Question 6

Which type of oxygen analyzer will give erroneous concentration levels in the presence of contaminant gases?

Accepted Answer

A)  Polarographic 
B)  Electrical 
C)  Galvanic 
D)  Physical 
A)  Polarographic 
B)  Electrical 
C)  Galvanic 
D)  Physical

Question 7

Proteins contribute significantly to energy expenditure during which of the following states?

Accepted Answer

A)  Severe sepsis 
B)  Hyperthermia 
C)  Prolonged starvation 
D)  Long-bone fractures 
A)  Severe sepsis 
B)  Hyperthermia 
C)  Prolonged starvation 
D)  Long-bone fractures

Question 8

Which device would be appropriate for monitoring respiratory rate and tidal volume during a sleep study?

Accepted Answer

A)  Capnograph 
B)  Mass spectrometer 
C)  Pneumotachograph 
D)  Inductive plethysmograph 
A)  Capnograph 
B)  Mass spectrometer 
C)  Pneumotachograph 
D)  Inductive plethysmograph

Question 9

Which of the following PETCO₂ readings is consistent with a drug overdose?

Accepted Answer

A)  0.3% 
B)  2.5% 
C)  5.3% 
D)  10.0% 
A)  0.3% 
B)  2.5% 
C)  5.3% 
D)  10.0%

Question 10

Which of the following are associated with sidestream capnographs?
1)Delayed reporting times
2)Addition of dead space to the airway
3)Increased risk of inappropriate extubation
4)Increased risk of plugging of the sample tubing

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 4 
D)  3 and 4 
A)  1 and 2 
B)  1 and 3 
C)  2 and 4 
D)  3 and 4

Question 11

Increased alveolar ventilation is associated with which of the following?

Accepted Answer

A)  Hyperthermia 
B)  Bronchospasm 
C)  Decreased metabolic rate 
D)  Respiratory muscle fatigue 
A)  Hyperthermia 
B)  Bronchospasm 
C)  Decreased metabolic rate 
D)  Respiratory muscle fatigue

Question 12

The standard for repeatability for forced expiratory volume in 1 second (FEV₁)is ___ mL.

Accepted Answer

A)  100 
B)  150 
C)  200 
D)  250 
A)  100 
B)  150 
C)  200 
D)  250

Question 13

The most appropriate lung volume to measure for a mechanically ventilated patient is _____ volume.

Accepted Answer

A)  minute 
B)  residual 
C)  expiratory reserve 
D)  inspiratory reserve 
A)  minute 
B)  residual 
C)  expiratory reserve 
D)  inspiratory reserve

Question 14

Which type of pneumotachograph uses the Doppler effect to measure airflow velocity?

Accepted Answer

A)  Fleisch 
B)  Screen type 
C)  Nonvortex 
D)  Variable-orifice 
A)  Fleisch 
B)  Screen type 
C)  Nonvortex 
D)  Variable-orifice

Question 15

Which of the following might cause an apnea monitor to fail to alert the clinician to the presence of apnea?

Accepted Answer

A)  Tachycardia 
B)  Changes in blood volume 
C)  Upper airway obstruction 
D)  Inadequate Sensitivity settings 
A)  Tachycardia 
B)  Changes in blood volume 
C)  Upper airway obstruction 
D)  Inadequate Sensitivity settings

Question 16

Which type of pressure-measurement device is used to measure a patient's maximum inspiratory pressure?

Accepted Answer

A)  Variable inductance 
B)  Aneroid manometer 
C)  Plethysmograph 
D)  Strain gauge 
A)  Variable inductance 
B)  Aneroid manometer 
C)  Plethysmograph 
D)  Strain gauge

Question 17

The device shown in the figure can measure which of the following?

Accepted Answer

A)  FEV₁ 
B)  Minute volume 
C)  Forced vital capacity 
D)  Maximum expiratory flow 
A)  FEV₁ 
B)  Minute volume 
C)  Forced vital capacity 
D)  Maximum expiratory flow

Question 18

The oxygen analyzer that is no longer commonly used is the ____ analyzer.

Accepted Answer

A)  Paramagnetic 
B)  Galvanic 
C)  Electrical 
D)  Polarographic 
A)  Paramagnetic 
B)  Galvanic 
C)  Electrical 
D)  Polarographic

Question 19

A(n)______ analyzer is an oxygen analyzer that can display both partial pressure (in millimeters of mercury)and the percentage of oxygen concentration.

Accepted Answer

A)  Paramagnetic 
B)  Galvanic 
C)  Electrical 
D)  Polarographic 
A)  Paramagnetic 
B)  Galvanic 
C)  Electrical 
D)  Polarographic

Question 20

Airflow is measured by which of the following?

Accepted Answer

A)  "Hot-wire" anemometer 
B)  Bellows spirometer 
C)  Water-sealed spirometer 
D)  Dry rolling seal spirometer 
A)  "Hot-wire" anemometer 
B)  Bellows spirometer 
C)  Water-sealed spirometer 
D)  Dry rolling seal spirometer

What percent change in metabolic rate would you expect if a patient has a fever of 103° F?

The respiratory system compliance of a patient receiving mechanical ventilation when the returned tidal volume is 650 mL,the static pressure is 35 cm H₂O,and the positive end-expiratory pressure is 8 cm H₂O is _____ mL/cm H₂O.

At the alveolar level,when ventilation occurs with reduced or no perfusion,this condition is known as which of the following?

While working in the neonatal intensive care unit,a respiratory therapist notices that a baby with an apnea monitor is not breathing,but the apnea alarm is not ringing.Which of the following might cause this failure? 1)Tachypnea 2)Bradycardia 3)Excessive movement 4)Upper airway obstruction

The precision of an instrument depends on:

Which type of oxygen analyzer will give erroneous concentration levels in the presence of contaminant gases?

Proteins contribute significantly to energy expenditure during which of the following states?

Which device would be appropriate for monitoring respiratory rate and tidal volume during a sleep study?

Which of the following PETCO₂ readings is consistent with a drug overdose?

Which of the following are associated with sidestream capnographs? 1)Delayed reporting times 2)Addition of dead space to the airway 3)Increased risk of inappropriate extubation 4)Increased risk of plugging of the sample tubing

Increased alveolar ventilation is associated with which of the following?

The standard for repeatability for forced expiratory volume in 1 second (FEV₁)is ___ mL.

The most appropriate lung volume to measure for a mechanically ventilated patient is _____ volume.

Which type of pneumotachograph uses the Doppler effect to measure airflow velocity?

Which of the following might cause an apnea monitor to fail to alert the clinician to the presence of apnea?

Which type of pressure-measurement device is used to measure a patient's maximum inspiratory pressure?

The device shown in the figure can measure which of the following?

The oxygen analyzer that is no longer commonly used is the ____ analyzer.

A(n)______ analyzer is an oxygen analyzer that can display both partial pressure (in millimeters of mercury)and the percentage of oxygen concentration.

Airflow is measured by 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

What percent change in metabolic rate would you expect if a patient has a fever of 103° F?

The respiratory system compliance of a patient receiving mechanical ventilation when the returned tidal volume is 650 mL,the static pressure is 35 cm H₂O,and the positive end-expiratory pressure is 8 cm H₂O is _____ mL/cm H₂O.

At the alveolar level,when ventilation occurs with reduced or no perfusion,this condition is known as which of the following?

While working in the neonatal intensive care unit,a respiratory therapist notices that a baby with an apnea monitor is not breathing,but the apnea alarm is not ringing.Which of the following might cause this failure? 1)Tachypnea 2)Bradycardia 3)Excessive movement 4)Upper airway obstruction

The precision of an instrument depends on:

Which type of oxygen analyzer will give erroneous concentration levels in the presence of contaminant gases?

Proteins contribute significantly to energy expenditure during which of the following states?

Which device would be appropriate for monitoring respiratory rate and tidal volume during a sleep study?

Which of the following PETCO₂ readings is consistent with a drug overdose?

Which of the following are associated with sidestream capnographs? 1)Delayed reporting times 2)Addition of dead space to the airway 3)Increased risk of inappropriate extubation 4)Increased risk of plugging of the sample tubing

Increased alveolar ventilation is associated with which of the following?

The standard for repeatability for forced expiratory volume in 1 second (FEV₁)is ___ mL.

The most appropriate lung volume to measure for a mechanically ventilated patient is _____ volume.

Which type of pneumotachograph uses the Doppler effect to measure airflow velocity?

Which of the following might cause an apnea monitor to fail to alert the clinician to the presence of apnea?

Which type of pressure-measurement device is used to measure a patient's maximum inspiratory pressure?

The device shown in the figure can measure which of the following?

The oxygen analyzer that is no longer commonly used is the ____ analyzer.

A(n)______ analyzer is an oxygen analyzer that can display both partial pressure (in millimeters of mercury)and the percentage of oxygen concentration.

Airflow is measured by 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