NBRC CRT NEWEST ACTUAL EXAM
QUESTIONS AND DETAILED CORRECT
ANSWERS (VERIFIED ANSWERS) |
A+GRADE 2025 STUDYGUIDE
A patient being weaned from mechanical ventilation has
had his minute ventilation reduced from 12 L/min to 8
L/min. Which of the following would be the best indicator
that this patient should not be weaned at this time?
A. Hyperventilation reducing PaC02 level
B. Patient becomes agitated and combative
C. Low pressure alarm is activated
D. Low exhaled volume alarm sounds every breath
Correct Answer D. Low exhaled volume alarm sounds
every breath
To reduce the chance of transmitting an infection from
patient to patient, the therapist should:
A. wear gloves when dealing with patients.
B. wear goggles when dealing with body fluids.
C. wipe stethoscope with alcohol between patients.
D. sterilize equipment with ethylene oxide. Correct Answer
C. wipe stethoscope with alcohol between patients.
A 2 y/o child with croup has been intubated for 4 days with
a 4mm ID uncuffed ETT. Heated aerosol at an FiO2 of
30% has been delivered to the patient. The physician asks
the RT to evaluate the pt for possible extubation. Which of
,the following would most likely indicate that the pt is ready
for extubation?
A. Pt is making normal quiet ventilatory efforts
B. Negative sputum culture and sensitivity has been
reported
C. Pt's ABG are within normal range
D. Breath sounds are heard around the tube on
auscultation Correct Answer D. Breath sounds are heard
around the tube on auscultation
The respiratory therapist has analyzed the FI02 of a
patient receiving 40% O2 via an aerosol mask. The
therapist notes that the analyzed FI02 is 38%. The
therapist should:
A. re-analyze the F102.
B. record the reading.
C. re-calibrate the analyzer.
D. increase the FI02 by 2%. Correct Answer B. record the
reading.
While conducting oxygen rounds, the therapist notices that
there is no mist coming from the reservoir tubing on a
Briggs adapter. What action should the therapist take at
this time?
A. Decrease the flow
B. Increase the dilution control setting on the nebulizer
from 40% to 60%
C. Check the function of the capillary tube
,D. Add an additional 6 inches of reservoir pH tubing to the
Briggs adaptor Correct Answer C. Check the function of
the capillary tube
A patient with Myasthenia Gravis is being evaluated for
removal of his fenestrated tracheostomy tube. The inner
cannula is removed and the tube has been plugged. While
examining the patient, the therapist notes that the patient
is having difficulty swallowing and handling secretions,
increased muscle weakness and a weak cough. Which of
the following should the therapist consider at this time?
A. Replace the inner cannula and support ventilation.
B. Insert a tracheal button.
C. Remove the tracheostomy tube.
D. Suction the patient's upper airway. Correct Answer A.
Replace the inner cannula and support ventilation.
The therapist has initiated ultrasonic therapy with 0.45%
saline for a patient with bronchial pneumonia. After
approximately 5 minutes of the treatment the patient
begins to complain of shortness of breath. Upon
auscultation the therapist notes severely diminished
breath sounds and rhonchi. The patient is cyanotic,
tachypneic, tachycardic, and retracting. Which of the
following should the therapist perform first?
A. Suction the patient immediately
B. Start O2 per nasal cannula at 4 LPM
C. Give a stat racemic epinephrine treatment
, D. Intubate and mechanically ventilate Correct Answer A.
Suction the patient immediately
The therapist is verifying the ventilator parameters on a
patient being ventilated by volume cycled ventilator. He
notices that the exhaled tidal volume is 200 mL and the
ordered tidal volume is 750 mL. The cuff pressure is 5
mmHg. After insertion of 10 cc of air, the cuff pressure is
still 5 mmHg. Which of the following should the therapist
do at this time?
A. Obtain a stat chest x-ray
B. Extubate and reintubate
C. Increase the FI02 to 1.0
D. Insert 10 cc of air into the cuff Correct Answer B.
Extubate and reintubate
A patient is receiving controlled ventilation via a Bird Mark
7 ventilator. Suddenly, the ventilator will not cycle into
expiration. This problem may be caused by:
1. development of pneumothorax.
2. disconnected expiratory valve.
3. leak in the patient tubing.
4. ruptured endotracheal tube cuff. Correct Answer 2.
disconnected expiratory valve.
3. leak in the patient tubing.
4. ruptured endotracheal tube cuff.
Which of the following will increase the volume delivered
to a patient on a pressure limited ventilator?
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