age 1 of 52
RRT TMC EXAM STUDY GUIDE 2025/2026 ACCURATE
QUESTIONS WITH CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS <RECENT VERSION>
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
,age 2 of 52
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 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
,age 3 of 52
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
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
, age 4 of 52
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
RRT TMC EXAM STUDY GUIDE 2025/2026 ACCURATE
QUESTIONS WITH CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS <RECENT VERSION>
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
,age 2 of 52
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 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
,age 3 of 52
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
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
, age 4 of 52
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
