RRT TMC Exam 2025 update| comprehensive questions and
verified answers (complete solutions) A+ GRADE!!
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? - (ANSWERS)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: - (ANSWERS)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: - (ANSWERS)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? - (ANSWERS)inserting an esophageal-
tracheal combitube
While establishing initial ventilatory support settings for a new patient, the most important
consideration is the: - (ANSWERS)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? - (ANSWERS)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? - (ANSWERS)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?
- (ANSWERS)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? - (ANSWERS)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? - (ANSWERS)a missing lead
,RRT TMC Exam 2025 update| comprehensive questions and
verified answers (complete solutions) A+ GRADE!!
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? - (ANSWERS)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:
- (ANSWERS)has smoked within the prior 12-24 hours
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? -
(ANSWERS)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? - (ANSWERS)increased ventilation
A normal vital capacity for a female patient who is five feet three inches tall and weighs fifty
kilograms would be approximately: - (ANSWERS)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? - (ANSWERS)the sensitivity
On inspection of a patient's EKG strip, you note that there are no identifiable P waves; rapid
irregular undulations of the isoelectric line; and an irregular ventricular rhythm. In addition, the
precordial cardiac rate is greater than the peripheral pulse rate. What is the most likely
problem? - (ANSWERS)atrial fibrillation
Which of the following is the best bedside measurement for assessing the integrated function
of the respiratory muscles and mechanical properties of the lungs and thorax? -
(ANSWERS)Vital Capacity (VC)
While inspecting an EKG rhythm strip from an adult patient, you note the following: rate of 148;
regular rhythm; normal P waves, P-R intervals, and QRS complexes. What is most likely the
problem? - (ANSWERS)Sinus Tachycardia
Which of the following is a prerequisite for discharging a ventilator-dependent patient to the
homecare setting? - (ANSWERS)whether the patient is stable on low fio2s and PEEP
You would need which of the following equipment in order to calibrate a portable bedside
spirometer? - (ANSWERS)a large volume (3 L) calibration syringe
, RRT TMC Exam 2025 update| comprehensive questions and
verified answers (complete solutions) A+ GRADE!!
A physician orders a blind bronchoalveolar lavage procedure for a patient in intensive care unit.
!@#$%%%%%
What is the most likely potential diagnosis that the doctor is trying to confirm%%%%%% with this
procedure? - (ANSWERS)Ventilator-associated pneumonia (VAP)
An AP X-ray of a 4-year-old child with wheezing and stridor shows an area of prominent
subglottic edema, but the lateral neck X-ray appears normal. The most likely problem is? -
(ANSWERS)croup
If noted on inspiration, which of the following respiratory signs of an adult patient would be
considered abnormal? - (ANSWERS)sternocleidomastoid muscles used at rest
While reviewing the chest X-ray of a 30-year-old male receiving ventilatory support via an oral
endotracheal tube. To assure proper placement of the tube, you would look for its tip to be
positioned - (ANSWERS)between the 2nd and 4th thoracic vertebra
Defibrillation should be done immediately in which of the following patient situations? -
(ANSWERS)pulseless ventricular tachycardia
An intubated adult 65-year-old male patient with severe expiratory airway obstruction requires
ventilatory support. Which of the following capabilities would be most important in selecting a
ventilator for this patient? - (ANSWERS)variable flow control and adjustable I:E ratios
You are called to obtain a bedside vital capacity (VC) of 450 ml on a 122 lb female patient
receiving ventilatory support in the CMV mode. Which of the following can you draw from this
finding? - (ANSWERS)the patient cannot sustain prolonged spontaneous ventilation
Which of the following is the most common problem encountered when applying assist-control
mode during ventilation? - (ANSWERS)hyperventilation/hypocapnia
A bubble humidifier is not bubbling during oxygen therapy, despite the flowmeter set and
running at 5 L/min. Which of the following should you check? - (ANSWERS)flowmeter-
humidifier connection for leaks
Which of the following would cause an increase in a patient's peak airway pressure while
receiving volume control ventilation? - (ANSWERS)bronchospasm
After review a patient's chart, you note that an admission diagnosis of fluid
depletion/dehydration. Which of the following findings would be most likely on bedside
assessment of this patient? - (ANSWERS)inspissated secretions
You are called to help a nurse in ICU measure a patient's central venous pressure (CVP) with a
strain-gauge pressure transducer. The pressure transducer appears to be positioned well above
verified answers (complete solutions) A+ GRADE!!
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? - (ANSWERS)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: - (ANSWERS)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: - (ANSWERS)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? - (ANSWERS)inserting an esophageal-
tracheal combitube
While establishing initial ventilatory support settings for a new patient, the most important
consideration is the: - (ANSWERS)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? - (ANSWERS)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? - (ANSWERS)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?
- (ANSWERS)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? - (ANSWERS)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? - (ANSWERS)a missing lead
,RRT TMC Exam 2025 update| comprehensive questions and
verified answers (complete solutions) A+ GRADE!!
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? - (ANSWERS)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:
- (ANSWERS)has smoked within the prior 12-24 hours
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? -
(ANSWERS)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? - (ANSWERS)increased ventilation
A normal vital capacity for a female patient who is five feet three inches tall and weighs fifty
kilograms would be approximately: - (ANSWERS)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? - (ANSWERS)the sensitivity
On inspection of a patient's EKG strip, you note that there are no identifiable P waves; rapid
irregular undulations of the isoelectric line; and an irregular ventricular rhythm. In addition, the
precordial cardiac rate is greater than the peripheral pulse rate. What is the most likely
problem? - (ANSWERS)atrial fibrillation
Which of the following is the best bedside measurement for assessing the integrated function
of the respiratory muscles and mechanical properties of the lungs and thorax? -
(ANSWERS)Vital Capacity (VC)
While inspecting an EKG rhythm strip from an adult patient, you note the following: rate of 148;
regular rhythm; normal P waves, P-R intervals, and QRS complexes. What is most likely the
problem? - (ANSWERS)Sinus Tachycardia
Which of the following is a prerequisite for discharging a ventilator-dependent patient to the
homecare setting? - (ANSWERS)whether the patient is stable on low fio2s and PEEP
You would need which of the following equipment in order to calibrate a portable bedside
spirometer? - (ANSWERS)a large volume (3 L) calibration syringe
, RRT TMC Exam 2025 update| comprehensive questions and
verified answers (complete solutions) A+ GRADE!!
A physician orders a blind bronchoalveolar lavage procedure for a patient in intensive care unit.
!@#$%%%%%
What is the most likely potential diagnosis that the doctor is trying to confirm%%%%%% with this
procedure? - (ANSWERS)Ventilator-associated pneumonia (VAP)
An AP X-ray of a 4-year-old child with wheezing and stridor shows an area of prominent
subglottic edema, but the lateral neck X-ray appears normal. The most likely problem is? -
(ANSWERS)croup
If noted on inspiration, which of the following respiratory signs of an adult patient would be
considered abnormal? - (ANSWERS)sternocleidomastoid muscles used at rest
While reviewing the chest X-ray of a 30-year-old male receiving ventilatory support via an oral
endotracheal tube. To assure proper placement of the tube, you would look for its tip to be
positioned - (ANSWERS)between the 2nd and 4th thoracic vertebra
Defibrillation should be done immediately in which of the following patient situations? -
(ANSWERS)pulseless ventricular tachycardia
An intubated adult 65-year-old male patient with severe expiratory airway obstruction requires
ventilatory support. Which of the following capabilities would be most important in selecting a
ventilator for this patient? - (ANSWERS)variable flow control and adjustable I:E ratios
You are called to obtain a bedside vital capacity (VC) of 450 ml on a 122 lb female patient
receiving ventilatory support in the CMV mode. Which of the following can you draw from this
finding? - (ANSWERS)the patient cannot sustain prolonged spontaneous ventilation
Which of the following is the most common problem encountered when applying assist-control
mode during ventilation? - (ANSWERS)hyperventilation/hypocapnia
A bubble humidifier is not bubbling during oxygen therapy, despite the flowmeter set and
running at 5 L/min. Which of the following should you check? - (ANSWERS)flowmeter-
humidifier connection for leaks
Which of the following would cause an increase in a patient's peak airway pressure while
receiving volume control ventilation? - (ANSWERS)bronchospasm
After review a patient's chart, you note that an admission diagnosis of fluid
depletion/dehydration. Which of the following findings would be most likely on bedside
assessment of this patient? - (ANSWERS)inspissated secretions
You are called to help a nurse in ICU measure a patient's central venous pressure (CVP) with a
strain-gauge pressure transducer. The pressure transducer appears to be positioned well above
