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NBRC TMC/CRT/RRT EXAM 2024 | REAL EXAM VERSIONS WITH A STUDY GUIDE | ACCURATE AND EXPERT VERIFIED SOLUTIONS WITH RATIONALES/ GUARANTEED PASS | LATEST UPDATE $19.99
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NBRC TMC/CRT/RRT EXAM 2024 | REAL EXAM VERSIONS WITH A STUDY GUIDE | ACCURATE AND EXPERT VERIFIED SOLUTIONS WITH RATIONALES/ GUARANTEED PASS | LATEST UPDATE
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Course
NBRC TMC/CRT/RRT
Institution
NBRC TMC/CRT/RRT
NBRC TMC/CRT/RRT EXAM 2024 | REAL EXAM VERSIONS WITH A STUDY GUIDE | ACCURATE AND EXPERT VERIFIED SOLUTIONS WITH RATIONALES/ GUARANTEED PASS |
LATEST UPDATE
NBRC TMC/CRT/RRT EXAM 2024 | REAL EXAM
VERSIONS WITH A STUDY GUIDE | ACCURATE AND
EXPERT VERIFIED SOLUTIONS WITH
RATIONALES/ GUARANTEED PASS |
LATEST UPDATE
2024-2025
A severe COPD CLIENT arrives in the emergency department on a 2 L/min nasal cannula.
Arterialblood gas results follow:
Which of the following is the most appropriate recommendation?
A. Increase the liter flow to 4 L/min
B. Maintain the current O2 level
C. Institute noninvasive positive pressure ventilation (NPPV)
D. Place on a NRB mask at 12 L/min
B. Maintain the current O2 level
The physician has ordered O2 to be set up on a CLIENT who has a spontaneous tidal volume
of 500 mL and an inspiratory time of 1 second. Which of the following O2 delivery devices
willdeliver a flow that meets or exceeds this CLIENT's inspiratory flow?
A. 35% air-entrainment mask at 6 L/min
B. 60% aerosol mask at 12 L/min
C. NRB mask at 15 L/min
D. Simple O2 mask at 10 L/min
Rationale:500 mL = 0.5 L
0.5/1 = 0.5 L/s (change L/s to ?/min by multiplying by 60
0.5 L x 60= 30 L/min
Select the device that delivers a flow of at least 30L/min
A. 35% air-entrainment mask at 6 L/min
CLIENT breathing 50% oxygen has a PaO2 of 248 torr. Which of the following should the RT
recommend?
A. Discontinue O2 therapy
B. Decrease the oxygen to 30%
,C. Titrate oxygen to maintain an SpO2 > 93%
D. Repeat the blood gases because the PaO2 is not possible on this FiO2.
C. Titrate oxygen to maintain an SpO2 > 93%
Rationale: A PaO2 of 250 torr is normal on 50% O2. Remember, to determine the normal
PaO2 on any given O2%, multiply the O2% by 5. This is an approximation. If titrate was not a
choice, then you would discontinue the oxygen.
A CLIENT is receiving 30% oxygen via an air-entrainment mask at a flow of 5 L/min. The
totalflow delivered by this device is which of the following?
A. 36 L/min
B. 45 L/min
C. 54 L/min
D. 60 L/min
Rationale: (*Use 21 with O2 % less than 40%)
(100- 30%)/ (30%-*21) = 70/9 = 8/1 or 8:1 ratio
8+1= 9
9x5 = 45 L/min
B. 45 L/min
Secretions tend to become thicker if the inspired air has which of the following characteristics?
A. A relative humidity of 100% at body temperature
B. 32 mg H2O per liter of gas
C. A water vapor pressure of 47 mmHg
D. 48 mg H2O per liter of gas
B. 32 mg H2O per liter of gas
A CLIENT receiving 38 mg H2O per liter of gas from a nebulizer has a humidity deficit of
whichof the following?
A. 6 mg/L
B. 9 mg/L
C. 12 mg/L
D. 18 mg/L
44-38= 6
A. 6 mg/L
,A CLIENT is receiving O2 from an E cylinder at 4 L/min through a nasal cannula. The
cylinder pressure is 1900 psig. How long will the cylinder run until it is empty?
A. 47 min
B. 1.7 h
C. 2.2 h
D. 3.6 h
Rationale: cylinder = 0.28
1900x0.28/4 = 133/60 = 2.21
Ans:>>C. 2 hours, 21 minutes
After the Respiratory Therapist sets up a nonrebreathing mask on a CLIENT at a flow rate of 10
L/min, the reservoir bag collapses before the CLIENT finishes inspiring. The RT should do
whichof the following?
A. Change to a simple mask at a flow rate of 10 L/min
B. Remove the one-way valve from the exhalation port.
C. Place the CLIENT on continuous positive airway pressure (CPAP)
D. Increase the flow rate to 15 L/min
D. Increase the flow rate to 15 L/min
A CLIENT with carbon monoxide (CO) poisoning can best be treated with which of the
followingtherapies?
A. Nasal Cannula at 6 L/min
B. Simple O2 mask at 10 L/min
C. CPAP and 60% O2
D. Nonrebreathing mask
D. Nonrebreathing mask
The following blood gas levels have been obtained from a CLIENT using a 60% aerosol mask.
pH: 7.47
PaCO2: 31 mmHg
PaO2: 58 mmHg
What should the RT recommend at this time?
A. Place the CLIENT on CPAP
B. Increase the O2 to 70%
C. Intubate and place the CLIENT on mechanical ventilation
D. Change to a nonrebreathing mask
, A. Place the CLIENT on CPAP
Given the following data, what is the CLIENT's total arterial O2 content?
A. 12 mL/dL
B. 14 mL/dL
C. 16 mL/dL
D. 18 mL/dL
Rationale: (Hb x 1.36 x SaO2) +
(0.003 x PaO2)(14 x 1.36 x 0.95) +
(0.003 x 88)
18.088 + 0.264
= 18.352
Ans:>>D. 18 mL/dL
The respiratory therapist receives an order to set up a moderate level of O2 on a CLIENT
who arrives in the ED breathing at a rate of 35 breaths/min. Which of the following O2
delivery devices is most appropriate to use in this situation?
A. Simple O2 mask at 10 L/min
B. Nasal cannula at 4 L/min
C. NRB Mask at 15 L/min
D. Air-entrainment mask at 40% O2
D. Air-entrainment mask at 40% O2
After connecting a nasal cannula to the humidifier outlet, you kink the tubing and hear a
whistling noise coming from the humidifier. Which of the following most likely has caused this?
A. The humidifier jar is cracked
B. The capillary tube in the humidifier is disconnected
C. The humidifier has no leaks
D. The top of the humidifier is not screwed on tightly
C. The humidifier has no leaks
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