NBRC TMC EXAM-Z NBRC TMC EXAM -S 2025 UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+ (BRAND NEW VISION)
One hour after performing quality control on a blood gas analyzer, a respiratory therapist
obtains arterial blood from a patient breathing supplemental oxygen at 2 L/min by nasal
cannula. The following blood gas results are available:
pH 7.41
PaCO2 39 torr
PaO2 190 torr
HCO3- 25 mEq/L
BE -1 mEq/L
The respiratory therapist should
A. replace the Sanz electrode, repeat the analysis
B. perform a two-point calibration and repeat the analysis
C. recommend discontinuing supplemental oxygen based on these results
D. report the blood gas results - answersThe correct answer is : B
Which of the following patients does NOT require additional help to make up the humidity
deficit during ventilation?
A. A patient with a tracheostomy
B. A spontaneously breathing patient who is intubated nasally
C. A patient who is orally intubated with an endotracheal tube
D. A patient using an oral pharyngeal airway - answersThe correct answer is : D
The respiratory therapist analyzes the blood from a patient rescued from an area lake. The
patient had been ice fishing when the ice broke and he plunged into the water. Rescuers
indicate it took about 5 minutes to get the patient out. The patient remains hypothermic. Blood
gas analysis reveals
,pH 7.50
PaCO2 28 torr
PaO2 65 torr
The respiratory therapist should suspect erroneous readings in which of the following?
A. PaCO2 would be erroneously high
B. PaO2 would read erroneously low
C. pH would be erroneously low
D. both PaO2 and PaCO2 would read erroneously high - answersThe correct answer is : B
Which of the following laboratory examinations would be helpful in further assessing a patient
with diabetic ketoacidosis?
A. creatinine
B. glucose level
C. respiratory quotient
D. urine specific gravity - answersThe correct answer is : B
A patient is receiving IPPB therapy by mouthpiece following abdominal surgery and is still
somewhat lethargic from the anesthesia. During the treatment, the respiratory therapist notes
the IPPB machine frequently fails to cycle into expiration. Which of the following should the
therapist do to correct the problem?
A. Replace the mouthpiece with an inflatable mask
B. Increase the flow
C. Lower the pressure
D. Increase the sensitivity - answersThe correct answer is : A
A radiological report is placed in the medical record that describes the results of a chest
radiograph. The report indicates plate-like infiltrates bilaterally. This finding is consistent with
,A. pulmonary edema
B. pleural effusion
C. atelectasis
D. pulmonary embolus - answersThe correct answer is : C
A home care patient is ventilator dependent for more than 50% of the time. Which of the
following is necessary to have?
A. back up ventilator
B. H-tank manifold with a bank of oxygen cylinders
C. non-rebreathing mask with an E-cylinder
D. bulk liquid oxygen supply - answersThe correct answer is : A
A 4-year old child was playing with toys when he suddenly became tachypneic. Auscultation
reveals wheezing on the right side. Which of the following should the respiratory therapist
prepare?
A. aerosolized Lidocaine
B. racemic epinephrine
C. a bronchoscope
D. an Albuterol treatment - answersThe correct answer is : C
The respiratory therapist can BEST increase the effectiveness of endotracheal suctioning by
doing which of the following?
A. Increase the suction time with each pass
B. Increase the diameter of the suction catheter
C. Increase the suction pressure
D. Apply intermittent suction during removal of the catheter - answersThe correct answer is : B
, A patient is brought to the emergency room after a motor vehicle accident. Wounds are severe
and massive bleeding is occurring internally. The respiratory therapist should place the patient
on
A. Venturi mask
B. nasal cannula
C. partial rebreathing mask
D. nonrebreathing oxygen mask - answersThe correct answer is : D
After the oral intubation of a neonate who is 38 weeks of gestation, the respiratory therapist
observes air leaking around the ET tube with each squeeze of the bag-valve. The respiratory
therapist should
A. intubate the infant with a larger ET tube
B. add air to the cuff
C. monitor the infant's oxygen saturation
D. obtain an arterial blood gas - answersThe correct answer is : A
The physician requests patient education for a newly diagnosed COPD patient being discharged
home with continuous supplemental oxygen and inhalers. Which of the following are NOT
indicated for the teaching plan?
A. achieving normal lung functions
B. cleaning the MDI spacer
C. recognizing signs of infection
D. increasing quality of life - answersThe correct answer is : A
A respiratory therapist is asked to provide patient education for a newly diagnosed COPD
patient being discharged home with continuous supplemental oxygen along with Combivent
and Flovent MDIs. The respiratory therapist should not attempt to teach the patient how to
A. improve pulmonary function values.
VERIFIED ANSWERS ALREADY GRADED A+ (BRAND NEW VISION)
One hour after performing quality control on a blood gas analyzer, a respiratory therapist
obtains arterial blood from a patient breathing supplemental oxygen at 2 L/min by nasal
cannula. The following blood gas results are available:
pH 7.41
PaCO2 39 torr
PaO2 190 torr
HCO3- 25 mEq/L
BE -1 mEq/L
The respiratory therapist should
A. replace the Sanz electrode, repeat the analysis
B. perform a two-point calibration and repeat the analysis
C. recommend discontinuing supplemental oxygen based on these results
D. report the blood gas results - answersThe correct answer is : B
Which of the following patients does NOT require additional help to make up the humidity
deficit during ventilation?
A. A patient with a tracheostomy
B. A spontaneously breathing patient who is intubated nasally
C. A patient who is orally intubated with an endotracheal tube
D. A patient using an oral pharyngeal airway - answersThe correct answer is : D
The respiratory therapist analyzes the blood from a patient rescued from an area lake. The
patient had been ice fishing when the ice broke and he plunged into the water. Rescuers
indicate it took about 5 minutes to get the patient out. The patient remains hypothermic. Blood
gas analysis reveals
,pH 7.50
PaCO2 28 torr
PaO2 65 torr
The respiratory therapist should suspect erroneous readings in which of the following?
A. PaCO2 would be erroneously high
B. PaO2 would read erroneously low
C. pH would be erroneously low
D. both PaO2 and PaCO2 would read erroneously high - answersThe correct answer is : B
Which of the following laboratory examinations would be helpful in further assessing a patient
with diabetic ketoacidosis?
A. creatinine
B. glucose level
C. respiratory quotient
D. urine specific gravity - answersThe correct answer is : B
A patient is receiving IPPB therapy by mouthpiece following abdominal surgery and is still
somewhat lethargic from the anesthesia. During the treatment, the respiratory therapist notes
the IPPB machine frequently fails to cycle into expiration. Which of the following should the
therapist do to correct the problem?
A. Replace the mouthpiece with an inflatable mask
B. Increase the flow
C. Lower the pressure
D. Increase the sensitivity - answersThe correct answer is : A
A radiological report is placed in the medical record that describes the results of a chest
radiograph. The report indicates plate-like infiltrates bilaterally. This finding is consistent with
,A. pulmonary edema
B. pleural effusion
C. atelectasis
D. pulmonary embolus - answersThe correct answer is : C
A home care patient is ventilator dependent for more than 50% of the time. Which of the
following is necessary to have?
A. back up ventilator
B. H-tank manifold with a bank of oxygen cylinders
C. non-rebreathing mask with an E-cylinder
D. bulk liquid oxygen supply - answersThe correct answer is : A
A 4-year old child was playing with toys when he suddenly became tachypneic. Auscultation
reveals wheezing on the right side. Which of the following should the respiratory therapist
prepare?
A. aerosolized Lidocaine
B. racemic epinephrine
C. a bronchoscope
D. an Albuterol treatment - answersThe correct answer is : C
The respiratory therapist can BEST increase the effectiveness of endotracheal suctioning by
doing which of the following?
A. Increase the suction time with each pass
B. Increase the diameter of the suction catheter
C. Increase the suction pressure
D. Apply intermittent suction during removal of the catheter - answersThe correct answer is : B
, A patient is brought to the emergency room after a motor vehicle accident. Wounds are severe
and massive bleeding is occurring internally. The respiratory therapist should place the patient
on
A. Venturi mask
B. nasal cannula
C. partial rebreathing mask
D. nonrebreathing oxygen mask - answersThe correct answer is : D
After the oral intubation of a neonate who is 38 weeks of gestation, the respiratory therapist
observes air leaking around the ET tube with each squeeze of the bag-valve. The respiratory
therapist should
A. intubate the infant with a larger ET tube
B. add air to the cuff
C. monitor the infant's oxygen saturation
D. obtain an arterial blood gas - answersThe correct answer is : A
The physician requests patient education for a newly diagnosed COPD patient being discharged
home with continuous supplemental oxygen and inhalers. Which of the following are NOT
indicated for the teaching plan?
A. achieving normal lung functions
B. cleaning the MDI spacer
C. recognizing signs of infection
D. increasing quality of life - answersThe correct answer is : A
A respiratory therapist is asked to provide patient education for a newly diagnosed COPD
patient being discharged home with continuous supplemental oxygen along with Combivent
and Flovent MDIs. The respiratory therapist should not attempt to teach the patient how to
A. improve pulmonary function values.
