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NBRC / TMC / RRT Exam Bundle 2025 Prep Test
Bank with 700 most recently Tested Questions and
Correct Answers/ Respiratory Therapist
Certification Exam Test Bank Latest
You are called to the emergency department to help care
for a patient who was in a vehicle accident and has chest
injuries including broken ribs. Crepitations are felt while
palpitating the patient's neck. What is most likely the
cause of this? - ...ANSWER...✓✓ The patient's lung has an
air leak
A forced expiratory measurement obtained after the
administration of a bronchodilator shows an increase in
FEV1 from 60% to 80% of predicted. This indicates a: -
...ANSWER...✓✓ Reversible airway obstruction
During capnography monitoring of a mechanically
ventilated patient, you note that the end-tidal PCO2
(PetCO2) has dropped to 0 mm Hg. This finding may
indicate: - ...ANSWER...✓✓ complete airway obstruction
An unconscious apneic patient with a full stomach cannot
be orally intubated in the emergency room. Which of the
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following would your recommend be? - ...ANSWER...✓✓
inserting an esophageal-tracheal combitube
While establishing initial ventilatory support settings for a
new patient, the most important consideration is the: -
...ANSWER...✓✓ patients size and clinical condition
A male patient has a lower than normal mixed venous O2
content. Which of the following is the most likely cause of
this condition? - ...ANSWER...✓✓ Fever (hyperthermia)
You are trying to wean an alert intubated patient off full
ventilatory support using the CPAP protocol with 40% O2.
Early in the initial effort her respiratory rate increases
from 24 to 30/min and you start to observe some use of
her accessory muscles while breathing. Which of the
following would be your first action at this time? -
...ANSWER...✓✓ apply 5-10 cm H20 pressure support
What is the approximate duration of flow of an oxygen E-
cylinder at 1000 psi running at 4 L/min? - ...ANSWER...✓✓
70 minutes
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While using a Yankauer device to suction an adult patient,
you are unable to remove thick secretions. The regulator
attached to the oropharyngeal suctioning device displays
a reading of -70 mm Hg. Which of the following actions
should you take at this time? - ...ANSWER...✓✓ increase
the suction pressure to -120 mm Hg
While setting up a 12-lead EKG on a patient, you are
unable obtain any electrical signal. The batteries are fully
charged and the device was able to power-on. The most
likely cause of this problem is which of the following? -
...ANSWER...✓✓ a missing lead
Which of the following imaging procedures is used to
evaluate the arteries for abnormalities such as aneurysm,
atherosclerosis, embolism, occlusion, stenosis,
thrombosis, trauma, or vasculitis? - ...ANSWER...✓✓
angiography
You obtain an expired carbon monoxide (CO) reading of 18
ppm on a COPD patient participating in a pulmonary
rehabilitation program. Based on this finding, you can
conclude that the patient: - ...ANSWER...✓✓ has smoked
within the prior 12-24 hours
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While monitoring a patient during a spontaneous
breathing trial, which of the following observations would
cause you to stop the trial and return the patient to
ventilatory support? - ...ANSWER...✓✓ decrease in O2
saturation from 91% to 82%
Your patient is receiving volume control A/C ventilation.
She has become increasingly agitated and the end-tidal
CO2 has decreased from 38 to 27 torr over the last 3
hours. Which of the following is most likely the cause? -
...ANSWER...✓✓ increased ventilation
A normal vital capacity for a female patient who is five
feet three inches tall and weighs fifty kilograms would be
approximately: - ...ANSWER...✓✓ 3500 mL
An asthmatic patient is struggling to initiate inspiration on
a ventilator operating in the assist-control mode. Which
of the following ventilator settings would you first check
in order to resolve of this problem? - ...ANSWER...✓✓ the
sensitivity
On inspection of a patient's EKG strip, you note that there
are no identifiable P waves; rapid irregular undulations of
NBRC / TMC / RRT Exam Bundle 2025 Prep Test
Bank with 700 most recently Tested Questions and
Correct Answers/ Respiratory Therapist
Certification Exam Test Bank Latest
You are called to the emergency department to help care
for a patient who was in a vehicle accident and has chest
injuries including broken ribs. Crepitations are felt while
palpitating the patient's neck. What is most likely the
cause of this? - ...ANSWER...✓✓ The patient's lung has an
air leak
A forced expiratory measurement obtained after the
administration of a bronchodilator shows an increase in
FEV1 from 60% to 80% of predicted. This indicates a: -
...ANSWER...✓✓ Reversible airway obstruction
During capnography monitoring of a mechanically
ventilated patient, you note that the end-tidal PCO2
(PetCO2) has dropped to 0 mm Hg. This finding may
indicate: - ...ANSWER...✓✓ complete airway obstruction
An unconscious apneic patient with a full stomach cannot
be orally intubated in the emergency room. Which of the
,2|Page
following would your recommend be? - ...ANSWER...✓✓
inserting an esophageal-tracheal combitube
While establishing initial ventilatory support settings for a
new patient, the most important consideration is the: -
...ANSWER...✓✓ patients size and clinical condition
A male patient has a lower than normal mixed venous O2
content. Which of the following is the most likely cause of
this condition? - ...ANSWER...✓✓ Fever (hyperthermia)
You are trying to wean an alert intubated patient off full
ventilatory support using the CPAP protocol with 40% O2.
Early in the initial effort her respiratory rate increases
from 24 to 30/min and you start to observe some use of
her accessory muscles while breathing. Which of the
following would be your first action at this time? -
...ANSWER...✓✓ apply 5-10 cm H20 pressure support
What is the approximate duration of flow of an oxygen E-
cylinder at 1000 psi running at 4 L/min? - ...ANSWER...✓✓
70 minutes
,3|Page
While using a Yankauer device to suction an adult patient,
you are unable to remove thick secretions. The regulator
attached to the oropharyngeal suctioning device displays
a reading of -70 mm Hg. Which of the following actions
should you take at this time? - ...ANSWER...✓✓ increase
the suction pressure to -120 mm Hg
While setting up a 12-lead EKG on a patient, you are
unable obtain any electrical signal. The batteries are fully
charged and the device was able to power-on. The most
likely cause of this problem is which of the following? -
...ANSWER...✓✓ a missing lead
Which of the following imaging procedures is used to
evaluate the arteries for abnormalities such as aneurysm,
atherosclerosis, embolism, occlusion, stenosis,
thrombosis, trauma, or vasculitis? - ...ANSWER...✓✓
angiography
You obtain an expired carbon monoxide (CO) reading of 18
ppm on a COPD patient participating in a pulmonary
rehabilitation program. Based on this finding, you can
conclude that the patient: - ...ANSWER...✓✓ has smoked
within the prior 12-24 hours
, 4|Page
While monitoring a patient during a spontaneous
breathing trial, which of the following observations would
cause you to stop the trial and return the patient to
ventilatory support? - ...ANSWER...✓✓ decrease in O2
saturation from 91% to 82%
Your patient is receiving volume control A/C ventilation.
She has become increasingly agitated and the end-tidal
CO2 has decreased from 38 to 27 torr over the last 3
hours. Which of the following is most likely the cause? -
...ANSWER...✓✓ increased ventilation
A normal vital capacity for a female patient who is five
feet three inches tall and weighs fifty kilograms would be
approximately: - ...ANSWER...✓✓ 3500 mL
An asthmatic patient is struggling to initiate inspiration on
a ventilator operating in the assist-control mode. Which
of the following ventilator settings would you first check
in order to resolve of this problem? - ...ANSWER...✓✓ the
sensitivity
On inspection of a patient's EKG strip, you note that there
are no identifiable P waves; rapid irregular undulations of
