Question 1

The therapeutic dose of nitric oxide is _____ ppm.

Accepted Answer

A)  2-80 
B)  25-115 
C)  40-150 
D)  30-60 
A)  2-80 
B)  25-115 
C)  40-150 
D)  30-60

Question 2

Which of the following devices could cause CO₂ retention?
1)Simple mask
2)Aerosol face mask
3)Nonrebreathing mask
4)Air-entrainment mask

Accepted Answer

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

Question 3

Contraindications for hyperbaric oxygen therapy consist of all of the following,except:

Accepted Answer

A)  Pneumothorax 
B)  Obstructive bronchial diseases 
C)  Upper respiratory infection 
D)  Skin grafting 
A)  Pneumothorax 
B)  Obstructive bronchial diseases 
C)  Upper respiratory infection 
D)  Skin grafting

Question 4

A patient is receiving 0.80 FɪO₂ with a barometric pressure at 760 mm Hg.PCO₂ is at 68; PaO₂ is 55.The PAO₂ for this patient is _____ mm Hg.

Accepted Answer

A)  395.6 
B)  485.4 
C)  510.9 
D)  550.0 
A)  395.6 
B)  485.4 
C)  510.9 
D)  550.0

Question 5

Delivered pressures on common adjustable regulators are between _____ and ____ pounds per square inch gauge (psig).

Accepted Answer

A)  0; 50 
B)  0; 100 
C)  50; 100 
D)  50; 200 
A)  0; 50 
B)  0; 100 
C)  50; 100 
D)  50; 200

Question 6

The chamber located above the diaphragm of a single-stage regulator is which of the following?

Accepted Answer

A)  Lower chamber 
B)  Pressure-relief valve 
C)  High-pressure chamber 
D)  Adjustable regulator 
A)  Lower chamber 
B)  Pressure-relief valve 
C)  High-pressure chamber 
D)  Adjustable regulator

Question 7

A patient is receiving supplemental oxygen via a 30% air-entrainment mask set at 8 L/min.The respiratory therapist must increase the supplemental oxygen to 40%.To maintain the same total output,the flow rate must be increased to _____ L/min.

Accepted Answer

A)  10 
B)  14 
C)  16 
D)  18 
A)  10 
B)  14 
C)  16 
D)  18

Question 8

The problem most often encountered with a Thorpe tube flowmeter is:

Accepted Answer

A)  patient outlet becomes occluded. 
B)  gas leaks caused by faulty valve seats. 
C)  a cracked tube. 
D)  prolonged heat exposure. 
A)  patient outlet becomes occluded. 
B)  gas leaks caused by faulty valve seats. 
C)  a cracked tube. 
D)  prolonged heat exposure.

Question 9

Exposure to elevated barometric pressure during hyperbaric oxygen therapy can directly affect a number of physiologic parameters,including which of the following?
1)Arterial and alveolar partial pressure for oxygen
2)Temperature of the gases being breathed
3)Work of breathing
4)Lung volumes

Accepted Answer

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

Question 10

The transtracheal oxygen catheter is a guiding principle in which oxygen is delivered directly into the trachea and does which of the following?

Accepted Answer

A)  Provides the patient with adequate oxygen 
B)  Reduces the amount of oxygen used 
C)  Provides an overall oxygen savings of 54% to 59% 
D)  All of the above 
A)  Provides the patient with adequate oxygen 
B)  Reduces the amount of oxygen used 
C)  Provides an overall oxygen savings of 54% to 59% 
D)  All of the above

Question 11

How many liters/minute of air is being entrained for a 35% air-entrainment mask running at 10 L/min?

Accepted Answer

A)  43 L/min 
B)  53 L/min 
C)  60 L/min 
D)  65 L/min 
A)  43 L/min 
B)  53 L/min 
C)  60 L/min 
D)  65 L/min

Question 12

When a closed Thorpe tube flowmeter is attached to a 50-psi oxygen source,the indicator float jumps up then quickly falls to zero.This flowmeter is:

Accepted Answer

A)  broken. 
B)  a Bourdon gauge flowmeter. 
C)  compensated for back pressure. 
D)  uncompensated for back pressure. 
A)  broken. 
B)  a Bourdon gauge flowmeter. 
C)  compensated for back pressure. 
D)  uncompensated for back pressure.

Question 13

Types of reservoir cannulas include which of the following?
1)Mustache
2)Pulse demand
3)Pendant
4)High flow

Accepted Answer

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

Question 14

If the air-entrainment port on a Venturi mask is occluded,which of the following will happen?
1)A decrease in flow
2)A decrease in FɪO₂
3)An increase in flow
4)An increase in FɪO₂

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  1 and 4 
D)  None of the choices 
A)  1 and 2 
B)  1 and 3 
C)  1 and 4 
D)  None of the choices

Question 15

The most commonly used flowmeter in respiratory care is which of the following?

Accepted Answer

A)  Thorpe tube flowmeter 
B)  Bourdon gauge 
C)  Flow restrictor 
D)  Reducing valve 
A)  Thorpe tube flowmeter 
B)  Bourdon gauge 
C)  Flow restrictor 
D)  Reducing valve

Question 16

The benefits of a transtracheal catheter include which of the following?
1)Lower flows are needed to obtain higher SpO₂
2)The ability for the patient to eventually wean off of O₂.
3)Improved self-image of the patient.
4)Oxygen cost savings of up to 60%.

Accepted Answer

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

Question 17

What type of oxygen-delivery device does the following image illustrate?

Accepted Answer

A)  Simple mask 
B)  Nonrebreathing mask 
C)  Air-entrainment mask 
D)  Aerosol mask 
A)  Simple mask 
B)  Nonrebreathing mask 
C)  Air-entrainment mask 
D)  Aerosol mask

The therapeutic dose of nitric oxide is _____ ppm.

Which of the following devices could cause CO₂ retention? 1)Simple mask 2)Aerosol face mask 3)Nonrebreathing mask 4)Air-entrainment mask

Contraindications for hyperbaric oxygen therapy consist of all of the following,except:

A patient is receiving 0.80 FɪO₂ with a barometric pressure at 760 mm Hg.PCO₂ is at 68; PaO₂ is 55.The PAO₂ for this patient is _____ mm Hg.

Delivered pressures on common adjustable regulators are between _ and pounds per square inch gauge (psig).

The chamber located above the diaphragm of a single-stage regulator is which of the following?

A patient is receiving supplemental oxygen via a 30% air-entrainment mask set at 8 L/min.The respiratory therapist must increase the supplemental oxygen to 40%.To maintain the same total output,the flow rate must be increased to _____ L/min.

The problem most often encountered with a Thorpe tube flowmeter is:

Exposure to elevated barometric pressure during hyperbaric oxygen therapy can directly affect a number of physiologic parameters,including which of the following? 1)Arterial and alveolar partial pressure for oxygen 2)Temperature of the gases being breathed 3)Work of breathing 4)Lung volumes

The transtracheal oxygen catheter is a guiding principle in which oxygen is delivered directly into the trachea and does which of the following?

How many liters/minute of air is being entrained for a 35% air-entrainment mask running at 10 L/min?

When a closed Thorpe tube flowmeter is attached to a 50-psi oxygen source,the indicator float jumps up then quickly falls to zero.This flowmeter is:

Types of reservoir cannulas include which of the following? 1)Mustache 2)Pulse demand 3)Pendant 4)High flow

If the air-entrainment port on a Venturi mask is occluded,which of the following will happen? 1)A decrease in flow 2)A decrease in FɪO₂ 3)An increase in flow 4)An increase in FɪO₂

The most commonly used flowmeter in respiratory care is which of the following?

The benefits of a transtracheal catheter include which of the following? 1)Lower flows are needed to obtain higher SpO₂ 2)The ability for the patient to eventually wean off of O₂. 3)Improved self-image of the patient. 4)Oxygen cost savings of up to 60%.

What type of oxygen-delivery device does the following image illustrate?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

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 4: Administering Medical Gases: Regulators, Flowmeters, and

The therapeutic dose of nitric oxide is _____ ppm.

Which of the following devices could cause CO₂ retention? 1)Simple mask 2)Aerosol face mask 3)Nonrebreathing mask 4)Air-entrainment mask

Contraindications for hyperbaric oxygen therapy consist of all of the following,except:

A patient is receiving 0.80 FɪO₂ with a barometric pressure at 760 mm Hg.PCO₂ is at 68; PaO₂ is 55.The PAO₂ for this patient is _____ mm Hg.

Delivered pressures on common adjustable regulators are between _____ and ____ pounds per square inch gauge (psig).

The chamber located above the diaphragm of a single-stage regulator is which of the following?

A patient is receiving supplemental oxygen via a 30% air-entrainment mask set at 8 L/min.The respiratory therapist must increase the supplemental oxygen to 40%.To maintain the same total output,the flow rate must be increased to _____ L/min.

The problem most often encountered with a Thorpe tube flowmeter is:

Exposure to elevated barometric pressure during hyperbaric oxygen therapy can directly affect a number of physiologic parameters,including which of the following? 1)Arterial and alveolar partial pressure for oxygen 2)Temperature of the gases being breathed 3)Work of breathing 4)Lung volumes

The transtracheal oxygen catheter is a guiding principle in which oxygen is delivered directly into the trachea and does which of the following?

How many liters/minute of air is being entrained for a 35% air-entrainment mask running at 10 L/min?

When a closed Thorpe tube flowmeter is attached to a 50-psi oxygen source,the indicator float jumps up then quickly falls to zero.This flowmeter is:

Types of reservoir cannulas include which of the following? 1)Mustache 2)Pulse demand 3)Pendant 4)High flow

If the air-entrainment port on a Venturi mask is occluded,which of the following will happen? 1)A decrease in flow 2)A decrease in FɪO₂ 3)An increase in flow 4)An increase in FɪO₂

The most commonly used flowmeter in respiratory care is which of the following?

The benefits of a transtracheal catheter include which of the following? 1)Lower flows are needed to obtain higher SpO₂ 2)The ability for the patient to eventually wean off of O₂. 3)Improved self-image of the patient. 4)Oxygen cost savings of up to 60%.

What type of oxygen-delivery device does the following image illustrate?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

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

Delivered pressures on common adjustable regulators are between _ and pounds per square inch gauge (psig).