NBRC TMC Exam P a g e | 1
NBRC TMC Exam 1 (2026/2027) – 200 Practice
Questions & Answers Exam VERIFIED
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY GRADED A+. (A+
Guarantee) | | Updated Per Latest Guidelines |
Graded A+
The respiratory therapist notices the PtcO2 value on a transcutaneous monitor has suddenly jumped
within the last minute. The therapist should suspect a problem with
A. Development of skin burns
B. Adherence of the electrode to the skin
C. Overheating of the electrode
D. Insufficient heating of the electrode –
Correct Answer :The correct answer is : B
P a g e 1 | 64
, NBRC TMC Exam P a g e | 2
The following pulmonary function data are obtained from a 65-year-old adult male who is 5 ft 2 in (157
cm) tall and weighs 120 lbs (55 kg).
Percent (%) of Predicted
SVC 75
FVC 72
FEV1.0 39
FEF25-75 52
FEF200-1200 76
DLCO 89
Which of the following most accurately represents the patient's condition?
A. normal spirometry
B. mild restriction with severe obstructive defect
C. severe restrictive defect only
D. moderate obstructive defect –
Correct Answer :The correct answer is : B
A respiratory therapist is alerted by a low-volume ventilator alarm on a patient with a chest tube
drainage system. The set tidal volume is 600 mL, while the return tidal volume is 190 mL. The therapist
should FIRST
A. increase tidal volume to compensate
B Clamp the chest tube near the patient
C. insert an additional chest tube
D. disconnect the chest tube from the wall suction pressure –
Correct Answer :The correct answer is : B
P a g e 2 | 64
, NBRC TMC Exam P a g e | 3
A patient is receiving volume-controlled mechanical ventilation. Which of the following adjustments
are appropriate to reduce autoPEEP?
A. decrease expiratory time
B. increase inspiratory flow rate
C. increase PEEP
D. increase tidal volume –
Correct Answer :The correct answer is : B
A patient with Status Asthmaticus has an airway resistance (Raw) of 3.2 cmH2O/L/sec. The patient's
respiratory rate is 28/min, and tidal volume gradually falls. Saturation is 94% on 3 L/min. Which of the
following would be most beneficial to the patient?
A. mechanical ventilation with pressure support
B. helium/oxygen mixture 80%/20%
C. helium/oxygen mixture 70%/30%
D. increase oxygen to 4 L/min –
Correct Answer :The correct answer is : C
A chest x-ray radiology report indicates that the radio-opaque line's end on an oral endotracheal tube
rests 1 cm above the carina. The respiratory therapist should suggest
A. advance the ET tube 2 cm
B. withdraw the ET tube 2 cm
C. advance the ET tube 1 cm
D. withdraw the ET tube 5 cm
- Correct Answer :The correct answer is : B
P a g e 3 | 64
, NBRC TMC Exam P a g e | 4
To assist in preventing ventilator-acquired pneumonia (VAP), you should:
A. Use the minimal leak technique to inflate the tracheal tube cuff
B. Change the ventilator circuit and humidifier every 48 hours
C. Maintain the patient in the prone position whenever possible
D. Implement daily sedation vacations or SBT's –
Correct Answer :The correct answer is : D
Which of the following devices would be used to obtain a PCWP measurement?
A. pulmonary artery catheter
B. indwelling arterial catheter
C. double lumen catheter
D. central venous catheter –
Correct Answer :The correct answer is : A
A patient with adult respiratory distress syndrome is receiving mechanical ventilation with a pressure-
cycled ventilator. Which of the following alarms is most important?
A. I:E ratio alarm
B. low pressure alarm
C. high pressure alarm
D. low-volume alarm –
Correct Answer :The correct answer is : D
A pulmonary function study reveals a forced vital capacity (FVC) that is greater than a slow vital
capacity (SVC). To which of the following can this be attributed?
A. chronic air-trapping
P a g e 4 | 64
NBRC TMC Exam 1 (2026/2027) – 200 Practice
Questions & Answers Exam VERIFIED
QUESTIONS AND CORRECT DETAILED
ANSWERS ALREADY GRADED A+. (A+
Guarantee) | | Updated Per Latest Guidelines |
Graded A+
The respiratory therapist notices the PtcO2 value on a transcutaneous monitor has suddenly jumped
within the last minute. The therapist should suspect a problem with
A. Development of skin burns
B. Adherence of the electrode to the skin
C. Overheating of the electrode
D. Insufficient heating of the electrode –
Correct Answer :The correct answer is : B
P a g e 1 | 64
, NBRC TMC Exam P a g e | 2
The following pulmonary function data are obtained from a 65-year-old adult male who is 5 ft 2 in (157
cm) tall and weighs 120 lbs (55 kg).
Percent (%) of Predicted
SVC 75
FVC 72
FEV1.0 39
FEF25-75 52
FEF200-1200 76
DLCO 89
Which of the following most accurately represents the patient's condition?
A. normal spirometry
B. mild restriction with severe obstructive defect
C. severe restrictive defect only
D. moderate obstructive defect –
Correct Answer :The correct answer is : B
A respiratory therapist is alerted by a low-volume ventilator alarm on a patient with a chest tube
drainage system. The set tidal volume is 600 mL, while the return tidal volume is 190 mL. The therapist
should FIRST
A. increase tidal volume to compensate
B Clamp the chest tube near the patient
C. insert an additional chest tube
D. disconnect the chest tube from the wall suction pressure –
Correct Answer :The correct answer is : B
P a g e 2 | 64
, NBRC TMC Exam P a g e | 3
A patient is receiving volume-controlled mechanical ventilation. Which of the following adjustments
are appropriate to reduce autoPEEP?
A. decrease expiratory time
B. increase inspiratory flow rate
C. increase PEEP
D. increase tidal volume –
Correct Answer :The correct answer is : B
A patient with Status Asthmaticus has an airway resistance (Raw) of 3.2 cmH2O/L/sec. The patient's
respiratory rate is 28/min, and tidal volume gradually falls. Saturation is 94% on 3 L/min. Which of the
following would be most beneficial to the patient?
A. mechanical ventilation with pressure support
B. helium/oxygen mixture 80%/20%
C. helium/oxygen mixture 70%/30%
D. increase oxygen to 4 L/min –
Correct Answer :The correct answer is : C
A chest x-ray radiology report indicates that the radio-opaque line's end on an oral endotracheal tube
rests 1 cm above the carina. The respiratory therapist should suggest
A. advance the ET tube 2 cm
B. withdraw the ET tube 2 cm
C. advance the ET tube 1 cm
D. withdraw the ET tube 5 cm
- Correct Answer :The correct answer is : B
P a g e 3 | 64
, NBRC TMC Exam P a g e | 4
To assist in preventing ventilator-acquired pneumonia (VAP), you should:
A. Use the minimal leak technique to inflate the tracheal tube cuff
B. Change the ventilator circuit and humidifier every 48 hours
C. Maintain the patient in the prone position whenever possible
D. Implement daily sedation vacations or SBT's –
Correct Answer :The correct answer is : D
Which of the following devices would be used to obtain a PCWP measurement?
A. pulmonary artery catheter
B. indwelling arterial catheter
C. double lumen catheter
D. central venous catheter –
Correct Answer :The correct answer is : A
A patient with adult respiratory distress syndrome is receiving mechanical ventilation with a pressure-
cycled ventilator. Which of the following alarms is most important?
A. I:E ratio alarm
B. low pressure alarm
C. high pressure alarm
D. low-volume alarm –
Correct Answer :The correct answer is : D
A pulmonary function study reveals a forced vital capacity (FVC) that is greater than a slow vital
capacity (SVC). To which of the following can this be attributed?
A. chronic air-trapping
P a g e 4 | 64
