CRT EXAM QUESTION AND VERIFIED ANSWERS
COMPLETE A+ SCORE LATEST 2024
Question 1
A physician has ordered a 4 year old to receive 40% oxygen therapy. You would recommend which of
the following oxygen delivery devices:
A) Oxygen hood
B) Oxygen tent
C) 5LPM NC
D) an aerosol mask with a jet nebulizer
B) Oxygen tent
Question 2
A water barometer is being used to record the barometric pressure. The water within the barometer
column has a meniscus formation. You would read the barometric pressure at the:
A) Bottom of the meniscus
B) Top of the meniscus
C) Side of the meniscus
D) Top and side of the meniscus
A) Bottom of the meniscus
Question 3
The respiratory care practitioner has receive an order to administer 35% oxygen to a post-operative
craniotomy patient. The patient is semi-conscious with an irregular breathing pattern. The most
appropriate oxygen administration device for this patient would be:
,A) A 4LPM Nasal cannula
B) intubation with a 35% aerosol blow-by
C) a simple mask at 4 LPM
D) a Venturi mask
D) a Venturi mask
Question 4
A cuff pressure manometer is connected to the endotracheal tube of a patient receiving continuous
mechanical ventilation. The cuff pressure reading is 24 torr with a small air leak auscultated during
inspiration. Which of the following should be done:
A) Increase the cuff pressure
B) Maintain this set-up and reassess in 1 hour
C) Recommend changing to a larger endotracheal tube
D) Decrease the cuff pressure and reassess the leak
C) Recommend changing to a larger endotracheal tube
Question 5
A 12 year old conscious, spontaneously breathing female, weighing 40kg (88lb) is brought into the ER
with a sustained cervical spine injury without any evidence of other trauma from a motor vehicle
accident. The head is secured with sandbags and arterial blood gas analysis shows respiratory failure.
To maintain the patient's airway, the respiratory care practitioner should recommend a:
A) 6.0mm nasal endotracheal tube
B) 8.0 mm oral endotracheal tube
C) 7.0 mm tracheotomy tube
D) 8.0 mm esophageal obturator airway tube
A) 6.0mm nasal endotracheal tube
Question 6
,A 22 year old male is being ventilated with a microprocessor ventilator. You are checking his cuff with
a cuff inflator and as you connect the pilot balloon thecuff inflator, the pressure measured reads 0
torr. Your first immediate response would be to:
A) Add 10 ml of air to the pilot balloon
B) inflate the cuff till the manometer reads 20 torr
C) reconnect the pilot balloon to the cuff inflator tightly
D) deflate the cuff and reinflate with 10 ml of air
C) reconnect the pilot balloon to the cuff inflator tightly
Question 7
Which of the following could be done to minimize mean airway pressure during an IPPB treatment?
1. Decrease the peak pressure
2. Decrease the I time
3. Increase the E time
4. Increase inspiratory flow
A) 1 only
B) 2 and 3 only
C) 2 and 4 only
D) all the above
D) all the above
Question 8
A patient is on 60% aerosol mask and their inspiratory flow rate is determined to be 28 LPM. What is
the minimum flow rate setting required for this patient?
A) 8LPM
B) 10 LPM
C) 12 LPM
, D) 15 LPM
D) 15 LPM
Question 9
A chronic hypercapnic patient is in acute ventilatory failure. The physician has asked for your
recommendation in the care of this patient who is requiring assisted ventilation. You would
recommend:
A) A volume-cycled microprocessor controlled machine
B) BiPAP
C) Positive expiratory pressure mask (PEP)
D) A positive pressure cycled controlled machine
A) A volume-cycled microprocessor controlled machine
Question 10
A chronic CO2 retainer patient enters the emergency room in moderate respiratory distress. Which of
the following would be the best initial oxygen delivery device for the patient?
A) 32% venturi mask
B) 2 LPM NC
C) 3 LPM simple mask
D) 8 LPM Partial-rebreathing mask
B) 2 LPM NC
Question 11
When comparing the Wick humidifier system to other humidifier devices, the main advantage of this
device is:
A) The particle size and deposition
B) A relative body humidity of 100% can be obtained
COMPLETE A+ SCORE LATEST 2024
Question 1
A physician has ordered a 4 year old to receive 40% oxygen therapy. You would recommend which of
the following oxygen delivery devices:
A) Oxygen hood
B) Oxygen tent
C) 5LPM NC
D) an aerosol mask with a jet nebulizer
B) Oxygen tent
Question 2
A water barometer is being used to record the barometric pressure. The water within the barometer
column has a meniscus formation. You would read the barometric pressure at the:
A) Bottom of the meniscus
B) Top of the meniscus
C) Side of the meniscus
D) Top and side of the meniscus
A) Bottom of the meniscus
Question 3
The respiratory care practitioner has receive an order to administer 35% oxygen to a post-operative
craniotomy patient. The patient is semi-conscious with an irregular breathing pattern. The most
appropriate oxygen administration device for this patient would be:
,A) A 4LPM Nasal cannula
B) intubation with a 35% aerosol blow-by
C) a simple mask at 4 LPM
D) a Venturi mask
D) a Venturi mask
Question 4
A cuff pressure manometer is connected to the endotracheal tube of a patient receiving continuous
mechanical ventilation. The cuff pressure reading is 24 torr with a small air leak auscultated during
inspiration. Which of the following should be done:
A) Increase the cuff pressure
B) Maintain this set-up and reassess in 1 hour
C) Recommend changing to a larger endotracheal tube
D) Decrease the cuff pressure and reassess the leak
C) Recommend changing to a larger endotracheal tube
Question 5
A 12 year old conscious, spontaneously breathing female, weighing 40kg (88lb) is brought into the ER
with a sustained cervical spine injury without any evidence of other trauma from a motor vehicle
accident. The head is secured with sandbags and arterial blood gas analysis shows respiratory failure.
To maintain the patient's airway, the respiratory care practitioner should recommend a:
A) 6.0mm nasal endotracheal tube
B) 8.0 mm oral endotracheal tube
C) 7.0 mm tracheotomy tube
D) 8.0 mm esophageal obturator airway tube
A) 6.0mm nasal endotracheal tube
Question 6
,A 22 year old male is being ventilated with a microprocessor ventilator. You are checking his cuff with
a cuff inflator and as you connect the pilot balloon thecuff inflator, the pressure measured reads 0
torr. Your first immediate response would be to:
A) Add 10 ml of air to the pilot balloon
B) inflate the cuff till the manometer reads 20 torr
C) reconnect the pilot balloon to the cuff inflator tightly
D) deflate the cuff and reinflate with 10 ml of air
C) reconnect the pilot balloon to the cuff inflator tightly
Question 7
Which of the following could be done to minimize mean airway pressure during an IPPB treatment?
1. Decrease the peak pressure
2. Decrease the I time
3. Increase the E time
4. Increase inspiratory flow
A) 1 only
B) 2 and 3 only
C) 2 and 4 only
D) all the above
D) all the above
Question 8
A patient is on 60% aerosol mask and their inspiratory flow rate is determined to be 28 LPM. What is
the minimum flow rate setting required for this patient?
A) 8LPM
B) 10 LPM
C) 12 LPM
, D) 15 LPM
D) 15 LPM
Question 9
A chronic hypercapnic patient is in acute ventilatory failure. The physician has asked for your
recommendation in the care of this patient who is requiring assisted ventilation. You would
recommend:
A) A volume-cycled microprocessor controlled machine
B) BiPAP
C) Positive expiratory pressure mask (PEP)
D) A positive pressure cycled controlled machine
A) A volume-cycled microprocessor controlled machine
Question 10
A chronic CO2 retainer patient enters the emergency room in moderate respiratory distress. Which of
the following would be the best initial oxygen delivery device for the patient?
A) 32% venturi mask
B) 2 LPM NC
C) 3 LPM simple mask
D) 8 LPM Partial-rebreathing mask
B) 2 LPM NC
Question 11
When comparing the Wick humidifier system to other humidifier devices, the main advantage of this
device is:
A) The particle size and deposition
B) A relative body humidity of 100% can be obtained
