NBRC TMC/CRT/RRT EXAM LATEST 160 QUESTIONS AND CORRECT ANSWERS | 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? - ( 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 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
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
,NBRC TMC/CRT/RRT EXAM LATEST 160 QUESTIONS AND CORRECT ANSWERS | A+
GRADE
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
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 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? - ( ANSWER)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? - (
ANSWER)Vital Capacity (VC)
, NBRC TMC/CRT/RRT EXAM LATEST 160 QUESTIONS AND CORRECT ANSWERS | A+
GRADE
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? - ( ANSWER)Sinus Tachycardia
Which of the following is a prerequisite for discharging a ventilator-dependent patient to
the homecare setting? - ( ANSWER)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? - ( ANSWER)a large volume (3 L) calibration syringe
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? - ( ANSWER)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? - (
ANSWER)croup
If noted on inspiration, which of the following respiratory signs of an adult patient would be
considered abnormal? - ( ANSWER)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 - ( ANSWER)between the 2nd and 4th thoracic vertebra
Defibrillation should be done immediately in which of the following patient situations? - (
ANSWER)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? - ( ANSWER)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? - ( ANSWER)the patient cannot sustain prolonged spontaneous ventilation
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? - ( 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 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
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
,NBRC TMC/CRT/RRT EXAM LATEST 160 QUESTIONS AND CORRECT ANSWERS | A+
GRADE
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
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 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? - ( ANSWER)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? - (
ANSWER)Vital Capacity (VC)
, NBRC TMC/CRT/RRT EXAM LATEST 160 QUESTIONS AND CORRECT ANSWERS | A+
GRADE
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? - ( ANSWER)Sinus Tachycardia
Which of the following is a prerequisite for discharging a ventilator-dependent patient to
the homecare setting? - ( ANSWER)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? - ( ANSWER)a large volume (3 L) calibration syringe
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? - ( ANSWER)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? - (
ANSWER)croup
If noted on inspiration, which of the following respiratory signs of an adult patient would be
considered abnormal? - ( ANSWER)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 - ( ANSWER)between the 2nd and 4th thoracic vertebra
Defibrillation should be done immediately in which of the following patient situations? - (
ANSWER)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? - ( ANSWER)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? - ( ANSWER)the patient cannot sustain prolonged spontaneous ventilation
