TNT Final Exam
Tracheal secretions tend to dry and thicken in an intubated patient if:
1) neb is providing an AH of 28 mgH2O/L of air
2) if neb provides a water vapor pressure of 47mmHg
3) 50 mg of particulate H20/L of gas is delivered by neb
4) if the nebulized aerosol is not heated - ✔✔ correct answer 1 & 4
If not cleaned properly, which device is most likely to contaminate the patient's airway with bacteria? -
✔✔ correct answer Heated jet neb
What is the maximum flow rate used on a high-flow nasal cannula on an adult? - ✔✔ correct answer
60L/min
A patient with a tracheostomy tube has thick sputum. A heated neb should be attached to the O2
delivery device to? - ✔✔ correct answer Ensure that the patient does not become overhydrated.
A patient that was just extubated complains his throat feels swollen and is sore when he swallows. What
would the therapist recommend at this time? - ✔✔ correct answer Deliver cool aerosol to the patient's
airway
Which of the following is true regarding a BAN? breath actuated neb - ✔✔ correct answer It provides
aerosol delivery ONLY during inspiration reducing medication waste
A neb is set on 60% and is running at a liter flow of 8 L/min. The therapist observes that toward the end
of the patient's inspiration, no mist is exiting the exhalation ports of the mask. What is true regarding
this situation? - ✔✔ correct answer The patient is receiving LESS than 60% oxygen
What is the max liter flow to be used to deliver oxygen to a patient on a nasal cannula? - ✔✔ correct
answer 6 L/min
Which of the following is not a low flow device?
1) air entrainment mask
2) nasal cannula
,TNT Final Exam
3) partial rebreather
4) simple oxy mask - ✔✔ correct answer 1
When delivering oxygen using a simple oxy mask, what is the minimum flow? - ✔✔ correct answer 5
L/min
Provided the patient has a normal respiratory rate and tidal volume, what is the oxygen percentage
available with a simple oxygen mask? - ✔✔ correct answer 35-55%
When using an air entrainment mask with various jet sizes, the smaller the diameter of the jet
_______________ - ✔✔ correct answer the lower the FIO2
What is the air/O2 entrainment ratio for 30%? - ✔✔ correct answer 8:1
The therapist has received a verbal order from the physician to set up a high percentage of oxygen on a
patient. Which device has the capability of delivering the highest oxygen percentage?
1) nasal cannula
2) non-rebreather
3) simple oxy
4) air entrainment mask - ✔✔ correct answer 2
Which of the following oxygen delivery devices will meet the inspiratory flow demands of a patient with
inspiratory flow rate of 40 L/min?
1) 40% aerosol mask @ 8 L/min
2) 30% air entrainment @ 5 L/min
3) 40% air entrainment @ 12 L/min
4) 35% aerosol mask @ 6 L/min - ✔✔ correct answer 2 & 3
Assuming a patient has an ideal breathing pattern, what is the appropriate oxygen percentage delivered
with a nasal cannula at 4 L/min? - ✔✔ correct answer 36%
, TNT Final Exam
The therapist has been asked to deliver a low percentage of oxygen to a patient that is breathing 30
x/min with an irregular breathing pattern. What device would be best to set up on this patient? - ✔✔
correct answer air entrainment at 28%
A non rebreather mask is able to deliver a maximum oxygen percentage in which range? - ✔✔ correct
answer 60-80%
Aerosol particles in what range can reach the alveolar range? - ✔✔ correct answer 1-3 microns
Low flow oxygen devices are adequate for use if the patient meets which of the following criteria?
1) regular and consistent ventilatory pattern
2) respiratory rate less than 25/min
3) consistent tidal volume of 300-700mL
4) respiratory rate of more than 25/min - ✔✔ correct answer 1 2 3
Which of the following is NOT a hazard of aerosol therapy?
1) bronchospasm
2)airway obstruction
3) infection
4) bronchodilation - ✔✔ correct answer 4
You are asked to set up a moderate percentage of oxygen on a patient who is breathing a consistent tidal
volume of 450 mL at a respiratory rate fluctuating between 20-30. What oxygen delivery device should
the RT recommend? - ✔✔ correct answer air entrainment mask
In order to minimize and increased airway resistance produced by high density aerosol inhalation, the
therapist should recommend what? - ✔✔ correct answer Administer a bronchodilator with the aerosol
What is the highest oxygen percentage available with an air entrainment mask? - ✔✔ correct answer
50%
Tracheal secretions tend to dry and thicken in an intubated patient if:
1) neb is providing an AH of 28 mgH2O/L of air
2) if neb provides a water vapor pressure of 47mmHg
3) 50 mg of particulate H20/L of gas is delivered by neb
4) if the nebulized aerosol is not heated - ✔✔ correct answer 1 & 4
If not cleaned properly, which device is most likely to contaminate the patient's airway with bacteria? -
✔✔ correct answer Heated jet neb
What is the maximum flow rate used on a high-flow nasal cannula on an adult? - ✔✔ correct answer
60L/min
A patient with a tracheostomy tube has thick sputum. A heated neb should be attached to the O2
delivery device to? - ✔✔ correct answer Ensure that the patient does not become overhydrated.
A patient that was just extubated complains his throat feels swollen and is sore when he swallows. What
would the therapist recommend at this time? - ✔✔ correct answer Deliver cool aerosol to the patient's
airway
Which of the following is true regarding a BAN? breath actuated neb - ✔✔ correct answer It provides
aerosol delivery ONLY during inspiration reducing medication waste
A neb is set on 60% and is running at a liter flow of 8 L/min. The therapist observes that toward the end
of the patient's inspiration, no mist is exiting the exhalation ports of the mask. What is true regarding
this situation? - ✔✔ correct answer The patient is receiving LESS than 60% oxygen
What is the max liter flow to be used to deliver oxygen to a patient on a nasal cannula? - ✔✔ correct
answer 6 L/min
Which of the following is not a low flow device?
1) air entrainment mask
2) nasal cannula
,TNT Final Exam
3) partial rebreather
4) simple oxy mask - ✔✔ correct answer 1
When delivering oxygen using a simple oxy mask, what is the minimum flow? - ✔✔ correct answer 5
L/min
Provided the patient has a normal respiratory rate and tidal volume, what is the oxygen percentage
available with a simple oxygen mask? - ✔✔ correct answer 35-55%
When using an air entrainment mask with various jet sizes, the smaller the diameter of the jet
_______________ - ✔✔ correct answer the lower the FIO2
What is the air/O2 entrainment ratio for 30%? - ✔✔ correct answer 8:1
The therapist has received a verbal order from the physician to set up a high percentage of oxygen on a
patient. Which device has the capability of delivering the highest oxygen percentage?
1) nasal cannula
2) non-rebreather
3) simple oxy
4) air entrainment mask - ✔✔ correct answer 2
Which of the following oxygen delivery devices will meet the inspiratory flow demands of a patient with
inspiratory flow rate of 40 L/min?
1) 40% aerosol mask @ 8 L/min
2) 30% air entrainment @ 5 L/min
3) 40% air entrainment @ 12 L/min
4) 35% aerosol mask @ 6 L/min - ✔✔ correct answer 2 & 3
Assuming a patient has an ideal breathing pattern, what is the appropriate oxygen percentage delivered
with a nasal cannula at 4 L/min? - ✔✔ correct answer 36%
, TNT Final Exam
The therapist has been asked to deliver a low percentage of oxygen to a patient that is breathing 30
x/min with an irregular breathing pattern. What device would be best to set up on this patient? - ✔✔
correct answer air entrainment at 28%
A non rebreather mask is able to deliver a maximum oxygen percentage in which range? - ✔✔ correct
answer 60-80%
Aerosol particles in what range can reach the alveolar range? - ✔✔ correct answer 1-3 microns
Low flow oxygen devices are adequate for use if the patient meets which of the following criteria?
1) regular and consistent ventilatory pattern
2) respiratory rate less than 25/min
3) consistent tidal volume of 300-700mL
4) respiratory rate of more than 25/min - ✔✔ correct answer 1 2 3
Which of the following is NOT a hazard of aerosol therapy?
1) bronchospasm
2)airway obstruction
3) infection
4) bronchodilation - ✔✔ correct answer 4
You are asked to set up a moderate percentage of oxygen on a patient who is breathing a consistent tidal
volume of 450 mL at a respiratory rate fluctuating between 20-30. What oxygen delivery device should
the RT recommend? - ✔✔ correct answer air entrainment mask
In order to minimize and increased airway resistance produced by high density aerosol inhalation, the
therapist should recommend what? - ✔✔ correct answer Administer a bronchodilator with the aerosol
What is the highest oxygen percentage available with an air entrainment mask? - ✔✔ correct answer
50%
