NBRC TMC EXAM TEST BANK PREPARATION FOR
2025/2026 WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|BRAND NEW VERSION!!
An adult patient is intubated with an 8.0 mm endotracheal tube. The high-
pressure alarm is sounding. The tube is noted to be positioned at 28-cm at the
lips. Chest rise is asymmetrical. What procedure should the respiratory therapist
recommend?
A. extubation
B. stat chest radiograph
C. arterial blood gas
D. suction with a directional-tip catheter
The correct answer is : B
Which of the following may be helpful at relieving upper airway inflammation
following endotracheal extubation?
A. methylprednisolone
B. racemic epinephrine
C. Azmacort (Triamcinolone acetonide)
D. Albuterol
The correct answer is : B
Arterial blood gases on a patient in the cardiac intensive care unit are as follows:
pH 7.31
PaCO2 50 mmHg
PaO2 81 mmHg
HCO3- 24 mEq/L
BE 0 mEq/L
Which of the following represents an accurate interpretation of these results?
1|Page
, NBRC TMC Exam TEST BANK PREPARATION
A. metabolic acidosis
B. left ventricular heart failure
C. partially compensated metabolic acidosis
D. respiratory acidosis with no hypoxemia
The correct answer is : D
A spiral CT scan would best evaluate which of the following?
A. pulmonary embolism
B. pneumonia
C. sarcoidosis
D. atelectasis
The correct answer is : A
A 75-kg (165-lb) patient with mycoplasma pneumonia is receiving mechanical
ventilator support by a PB 840 ventilator on the following settings with
corresponding arterial blood gas values:
Mode assist/control
Mandatory rate 10/min
VT 525 mL
FIO2 0.6
pH 7.29
PaCO2 51 mmHg
PaO2 78 mmHg
HCO3- 23 mEq/L
BE -1 mEq/L
Which of the following actions is most appropriate?
A. increase VT
B. increase FIO2
C. institute PEEP
D. increase mandatory rate
The correct answer is : D
2|Page
, NBRC TMC Exam TEST BANK PREPARATION
A patient is undergoing a full cardiopulmonary arrest. The patient is intubated and
is being monitored with an infrared capnographic device. PetCO2 data is showing
3%. Which of the following best explains this value?
A. increased PAO2
B. decreased C(a-v)O2
C. poor alveolar perfusion
D. poor systemic perfusion
The correct answer is : C
Which of the following should be looked at FIRST to assess for proper placement
of an oral endotracheal tube?
A. chest radiograph
B. breath sounds
C. left chest symmetry
D. lateral neck radiograph
The correct answer is : C
Which of the following data, if observed, would indicate improper positioning of
an oral endotracheal tube?
A. symmetrical chest rise
B. ET tube markings at 29 cm
C. radiologist reports the ET tube is level with the aortic arch
D. chest radiograph shows tube 2 cm above the carina
The correct answer is : B
Which of the following can be done to most effectively increase the efficiency of
suctioning through an endotracheal tube?
A. increase suction pressure
B. increase suction catheter diameter (size)
C. apply intermittent suction pressure during withdrawal of the catheter
D. increase suction time
The correct answer is : B
3|Page
, NBRC TMC Exam TEST BANK PREPARATION
Which of the following is an important element of instruction to a home care
patient who will be receiving continuous oxygen therapy at 2 L/min by nasal
cannula?
A. do not change flow rate without a physician order
B. increase flow rate during exercise
C. run a flow calibration check once monthly
D. check oxygen concentrator flow rate once a week
The correct answer is : A
A respiratory therapist notices an increasing high-pitched noise coming from a
child's upper airway receiving 30% oxygen by heated aerosol. Which of the
following would be most appropriate for further evaluation?
A. CT scan of the upper airway
B. MRI of the upper airway
C. lateral neck radiograph
D. bedside pulmonary function test with flow volume loop
The correct answer is : C
An infant is delivered and has a one-minute APGAR score of 5. The infant is placed
on the radiant warmer. What other equipment would be most helpful at this
time?
A. nasal cannula
B. oxygen hood
C. croup tent
D. non-rebreathing mask
The correct answer is : B
Which of the following parameters could be used to calculate tidal volume?
A. PetCO2 and alveolar ventilation
B. PECO2 and VD/VT
C. minute ventilation and alveolar ventilation
D. minute ventilation and respiratory rate
4|Page