Question 1

Phase 1 of a single-breath CO₂ curve represents which of the following?

Accepted Answer

A)  Anatomic dead space 
B)  Physiologic dead space 
C)  Transition between airway and alveolar exhaled gas 
D)  Anatomic shunt 
A)  Anatomic dead space 
B)  Physiologic dead space 
C)  Transition between airway and alveolar exhaled gas 
D)  Anatomic shunt

Question 2

If a patient's minute volume is 8.5 L/min and his respiratory rate is 15 breaths/min,his average tidal volume is ____ L.

Accepted Answer

A)  0.125 
B)  0.570 
C)  0.060 
D)  5.700 
A)  0.125 
B)  0.570 
C)  0.060 
D)  5.700

Question 3

A 24-year-old skier with a broken femur has been in the postanesthesia care unit for 24 hours and is 12 hours post-extubation with no supplemental oxygen.He is awake,alert,and oriented,and he reports shortness of breath.A capnograph shows decreased PETCO₂.This patient's current status could be caused by which of the following?

Accepted Answer

A)  Respiratory center depression 
B)  Pulmonary embolism 
C)  Muscular paralysis 
D)  Alveolar shunt 
A)  Respiratory center depression 
B)  Pulmonary embolism 
C)  Muscular paralysis 
D)  Alveolar shunt

Question 4

Which device can be incorporated into a ventilator to provide continuous recordings of airway pressure during the breathing cycle?

Accepted Answer

A)  Variable capacitance transducer 
B)  Inductive plethysmograph 
C)  Strain gauge transducer 
D)  Aneroid manometer 
A)  Variable capacitance transducer 
B)  Inductive plethysmograph 
C)  Strain gauge transducer 
D)  Aneroid manometer

Question 5

Which type of CO₂ monitor is most appropriate for a critical care setting?

Accepted Answer

A)  IR spectroscopy 
B)  Raman spectroscopy 
C)  Mass spectroscopy 
D)  Clark electrode 
A)  IR spectroscopy 
B)  Raman spectroscopy 
C)  Mass spectroscopy 
D)  Clark electrode

Question 6

Total lung capacity is a result of:

Accepted Answer

A)  vital capacity plus residual volume. 
B)  inspiratory capacity plus residual volume. 
C)  inspiratory capacity plus expiratory residual volume. 
D)  inspiratory reserve volume plus functional residual capacity. 
A)  vital capacity plus residual volume. 
B)  inspiratory capacity plus residual volume. 
C)  inspiratory capacity plus expiratory residual volume. 
D)  inspiratory reserve volume plus functional residual capacity.

Question 7

The gases that have the same molecular weight and cannot be separated on the basis of weight alone during mass spectroscopy include which of the following?

Accepted Answer

A)  N₂ and O₂ 
B)  N₂O and O₂ 
C)  CO₂ and N₂ 
D)  N₂O and CO₂ 
A)  N₂ and O₂ 
B)  N₂O and O₂ 
C)  CO₂ and N₂ 
D)  N₂O and CO₂

Question 8

In the below figure,A represents which of the following?

Accepted Answer

A)  Vital capacity 
B)  Inspiratory capacity 
C)  Total lung capacity 
D)  functional residual capacity 
A)  Vital capacity 
B)  Inspiratory capacity 
C)  Total lung capacity 
D)  functional residual capacity

Question 9

Which of the following factors will cause inaccurate calorimetry measurements on a mechanically ventilated patient?

Accepted Answer

A)  FɪO₂ >0.5 
B)  Varying pressure 
C)  Room temperature = 23° C 
D)  Heat and moisture exchanger 
A)  FɪO₂ >0.5 
B)  Varying pressure 
C)  Room temperature = 23° C 
D)  Heat and moisture exchanger

Question 10

To set up a pulmonary function laboratory that can measure all standard and dynamic lung volumes,which of the following equipment is necessary?

Accepted Answer

A)  Screen pneumotachograph and inductive plethysmograph 
B)  Fleisch pneumotachograph and peak flowmeter 
C)  Vortex ultrasonic flowmeter and inductive plethysmograph 
D)  Stead-Wells spirometer and constant-volume plethysmograph 
A)  Screen pneumotachograph and inductive plethysmograph 
B)  Fleisch pneumotachograph and peak flowmeter 
C)  Vortex ultrasonic flowmeter and inductive plethysmograph 
D)  Stead-Wells spirometer and constant-volume plethysmograph

Question 11

The bedside respiratory mechanics of mechanically ventilated patients can be measured with which of the following?
1)VenTrak system
2)Tissot spirometer
3)BICORE CP-100 system
4)Stead-Wells spirometer

Accepted Answer

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

Question 12

Most calorimeters are unreliable when the oxygen concentration is above 50% to 60% because of which of the following?

Accepted Answer

A)  Boyle's law 
B)  Charles' law 
C)  The Hamburger effect 
D)  The Haldane transformation 
A)  Boyle's law 
B)  Charles' law 
C)  The Hamburger effect 
D)  The Haldane transformation

Question 13

Nitric oxide is effective in the treatment of pulmonary hypertension in neonates because it causes which of the following?

Accepted Answer

A)  Peripheral vasoconstriction 
B)  Macrophage cytotoxicity 
C)  Platelet adhesion 
D)  Vasodilatation 
A)  Peripheral vasoconstriction 
B)  Macrophage cytotoxicity 
C)  Platelet adhesion 
D)  Vasodilatation

Question 14

"An aluminum bell suspended by a chain-and-pulley mechanism with a weight that counterbalances the weight of the bell" describes which of the following?

Accepted Answer

A)  Dry rolling spirometer 
B)  Water-sealed spirometer 
C)  Bellows spirometer 
D)  Pneumotachograph 
A)  Dry rolling spirometer 
B)  Water-sealed spirometer 
C)  Bellows spirometer 
D)  Pneumotachograph

Question 15

Which of the following is true concerning the Stead-Wells spirometer?

Accepted Answer

A)  Counterweights are necessary. 
B)  The pen and bell move in opposite directions. 
C)  The pen recorder is attached directly to the bell. 
D)  On exhalation, the bell and pen move downward. 
A)  Counterweights are necessary. 
B)  The pen and bell move in opposite directions. 
C)  The pen recorder is attached directly to the bell. 
D)  On exhalation, the bell and pen move downward.

Question 16

Which device is appropriate for assessing a patient's response to bronchodilator therapy at the bedside?

Accepted Answer

A)  Stead-Wells spirometer 
B)  Mainstream capnograph 
C)  Inductive plethysmograph 
D)  Rotating-vane flowmeter 
A)  Stead-Wells spirometer 
B)  Mainstream capnograph 
C)  Inductive plethysmograph 
D)  Rotating-vane flowmeter

Question 17

The capnogram seen in the figure shows which of the following?

Accepted Answer

A)  Chronic obstructive pulmonary disease 
B)  Cardiac oscillations 
C)  Rebreathing exhaled gases 
D)  Cheyne-Stokes breathing 
A)  Chronic obstructive pulmonary disease 
B)  Cardiac oscillations 
C)  Rebreathing exhaled gases 
D)  Cheyne-Stokes breathing

Question 18

Which of the following is true concerning the triple-lumen esophageal catheter used with the BICORE CP-100 Pulmonary Monitoring System?

Accepted Answer

A)  It can measure intrapleural pressure indirectly. 
B)  Its ideal position is the upper third of the esophagus. 
C)  When the catheter enters the stomach, a negative pressure is recorded. 
D)  The catheter can be positioned by observing the markings on its side. 
A)  It can measure intrapleural pressure indirectly. 
B)  Its ideal position is the upper third of the esophagus. 
C)  When the catheter enters the stomach, a negative pressure is recorded. 
D)  The catheter can be positioned by observing the markings on its side.

Question 19

The parents of a newborn sent home with an apnea monitor call the respiratory therapist to report several periods of apnea as noted by the monitor's alarm system.The respiratory therapist should check which of the following to ensure that the baby's movement was not the cause of these alarms?

Accepted Answer

A)  Sensitivity of the monitor 
B)  Placement of the electrodes 
C)  Amount of electrical current 
D)  Frequency of the vibrations 
A)  Sensitivity of the monitor 
B)  Placement of the electrodes 
C)  Amount of electrical current 
D)  Frequency of the vibrations

Question 20

Which of the following gases affect the accuracy of NO/NO₂ electrochemical monitors?
1)NH₂
2)N₂O
3)CO₂
4)Carbon monoxide (CO)
5)Nitrogen (N₂)

Accepted Answer

A)  1,4,and 5 
B)  1,3,and 4 
C)  2,3,and 5 
D)  3 and 4 
A)  1,4,and 5 
B)  1,3,and 4 
C)  2,3,and 5 
D)  3 and 4

Phase 1 of a single-breath CO₂ curve represents which of the following?

If a patient's minute volume is 8.5 L/min and his respiratory rate is 15 breaths/min,his average tidal volume is ____ L.

Which device can be incorporated into a ventilator to provide continuous recordings of airway pressure during the breathing cycle?

Which type of CO₂ monitor is most appropriate for a critical care setting?

Total lung capacity is a result of:

The gases that have the same molecular weight and cannot be separated on the basis of weight alone during mass spectroscopy include which of the following?

In the below figure,A represents which of the following?

Which of the following factors will cause inaccurate calorimetry measurements on a mechanically ventilated patient?

To set up a pulmonary function laboratory that can measure all standard and dynamic lung volumes,which of the following equipment is necessary?

The bedside respiratory mechanics of mechanically ventilated patients can be measured with which of the following? 1)VenTrak system 2)Tissot spirometer 3)BICORE CP-100 system 4)Stead-Wells spirometer

Most calorimeters are unreliable when the oxygen concentration is above 50% to 60% because of which of the following?

Nitric oxide is effective in the treatment of pulmonary hypertension in neonates because it causes which of the following?

"An aluminum bell suspended by a chain-and-pulley mechanism with a weight that counterbalances the weight of the bell" describes which of the following?

Which of the following is true concerning the Stead-Wells spirometer?

Which device is appropriate for assessing a patient's response to bronchodilator therapy at the bedside?

The capnogram seen in the figure shows which of the following?

Which of the following is true concerning the triple-lumen esophageal catheter used with the BICORE CP-100 Pulmonary Monitoring System?

The parents of a newborn sent home with an apnea monitor call the respiratory therapist to report several periods of apnea as noted by the monitor's alarm system.The respiratory therapist should check which of the following to ensure that the baby's movement was not the cause of these alarms?

Which of the following gases affect the accuracy of NO/NO₂ electrochemical monitors? 1)NH₂ 2)N₂O 3)CO₂ 4)Carbon monoxide (CO) 5)Nitrogen (N₂)

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

Phase 1 of a single-breath CO₂ curve represents which of the following?

If a patient's minute volume is 8.5 L/min and his respiratory rate is 15 breaths/min,his average tidal volume is ____ L.

Which device can be incorporated into a ventilator to provide continuous recordings of airway pressure during the breathing cycle?

Which type of CO₂ monitor is most appropriate for a critical care setting?

Total lung capacity is a result of:

The gases that have the same molecular weight and cannot be separated on the basis of weight alone during mass spectroscopy include which of the following?

In the below figure,A represents which of the following?

Which of the following factors will cause inaccurate calorimetry measurements on a mechanically ventilated patient?

To set up a pulmonary function laboratory that can measure all standard and dynamic lung volumes,which of the following equipment is necessary?

The bedside respiratory mechanics of mechanically ventilated patients can be measured with which of the following? 1)VenTrak system 2)Tissot spirometer 3)BICORE CP-100 system 4)Stead-Wells spirometer

Most calorimeters are unreliable when the oxygen concentration is above 50% to 60% because of which of the following?

Nitric oxide is effective in the treatment of pulmonary hypertension in neonates because it causes which of the following?

"An aluminum bell suspended by a chain-and-pulley mechanism with a weight that counterbalances the weight of the bell" describes which of the following?

Which of the following is true concerning the Stead-Wells spirometer?

Which device is appropriate for assessing a patient's response to bronchodilator therapy at the bedside?

The capnogram seen in the figure shows which of the following?

Which of the following is true concerning the triple-lumen esophageal catheter used with the BICORE CP-100 Pulmonary Monitoring System?

The parents of a newborn sent home with an apnea monitor call the respiratory therapist to report several periods of apnea as noted by the monitor's alarm system.The respiratory therapist should check which of the following to ensure that the baby's movement was not the cause of these alarms?

Which of the following gases affect the accuracy of NO/NO₂ electrochemical monitors? 1)NH₂ 2)N₂O 3)CO₂ 4)Carbon monoxide (CO) 5)Nitrogen (N₂)

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