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NBRC Practice Test -2 questions and answers
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NBRC Practice Test -2 questions and answers
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NBRC Practice Test #2A 1600g neonate is receiving O2 by oxyhood at an FiO2 of 0.60. the flowmeter is set at 5L/min.
While analyzing the O2, the RT notices varying FiO2 readings at a different locations inside the
oxyhood. Which of the following should the RT do to correct the problem?
A. Re-calibrate the O2 analyzing device
B. Increase the flow to the oxyhood
C. Place the neonate in an isolette at an FiO2 of 0.60
D. Check the water level of the humidifier - questions and answersB. Increase the flow to the
oxyhood
A 19 y/o patient has a size 7 mm ID nasotracheal tube placed through the right nare. While
attempting to suction the patient with a size 12 Fr catheter, resistance is met as the catheter is
introduced into the ETT. The RT should:
A. Lubricate the catheter with petroleum jelly prior to suctioning
B. Instill acetylcysteine into the ETT
C. Switch to a 10 Fr suction catheter
D. Extubate the patient and reintubate with a size 9 mm ID ETT - questions and answersC.
Switch to a 10 Fr suction catheter
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 - questions and answersD. Breath
sounds are heard around the tube on auscultation
A 43 y/o female patient has just undergone a total abdominal hysterectomy. The pt arrives in the
post anesthesia care unit obtunded with minimal response to painful stimulus. what treatment
should the RT recommend for this pt? - questions and answersInsert OPA (b/c they are
unresponsive)
A 58 y/o male patient is hypoxic on volume control ventilation and is receiving 15 cm H20 of
PEEP on an FiO2 0.60. Shortly after increasing the PEEP therapy to 18 cm H20, the RT notes
that the systemic blood pressure has fallen from 110/72 mm Hg to 94/50 mm Hg and the cardiac
output has fallen from 4.3 L/min to 2.5 L/min. The most appropriate action at this time would be
to:
,A. maintain the present therapy and re-evaluate the patient in thirty minutes
B. decrease the PEEP to 15 cm H20 and increase the FiO2 to 0.70
C. decrease the PEEP to 12 cm H20 and maintain the FiO2 at 0.60
D. discontinue the PEEP and increase the FiO2 to 0.80 - questions and answersB. decrease the
PEEP to 15 cm H20 and increase the FiO2 to 0.70
A 77 y/o male patient is admitted to the ER with shortness of breath, fine basilar crackles, +2
pitting edema and a chest X-ray with a butterfly pattern. These results are most consistent with
which of the following?
A. Pulmonary edema
B. Pulmonary interstitial emphysema
C. Pneumothorax
D. Emphysema - questions and answersA. Pulmonary edema (and CHF!)
A balloon-tipped, flow directed catheter is positioned in the pulmonary artery with the balloon
DEFLATED. Which of the following pressures will be measured by the DISTAL lumen? -
questions and answersPAP
A balloon-tipped, flow-directed catheter is positioned in the pulmonary artery with the balloon
inflated. Which of the following pressures will be measured by the distal lumen?
A. CVP
B. PAP
C. PCWP
D. MAP - questions and answersPCWP
A change in airway resistance would be reflected by a change in what? - questions and
answersDynamic Compliance
A change in airway resistance would be reflected by a change in:
A. dynamic compliance.
B. thoracic compliance.
C. lung compliance.
D. static compliance. - questions and answersA. dynamic compliance.
A heat moisture exchanger (HME) is being utilized in a ventilator circuit. The therapist notices
that the device has become clogged with secretions. The therapist should do what? - questions
and answersChange to a wick humidifier
A hyperresonant percussion note is associated with which of the following pathologies?
A. Hemothorax
B. Pleural effusion
C. Tension Pneumothorax
D. Chronic bronchitis - questions and answersC. Tension Pneumothorax
, D. Chronic bronchitis
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 - questions and answersD. Low exhaled
volume alarm sounds every breath
A patient has a tracheostomy tube in place. The measured cuff pressure is 28 torr. Which of the
following statements is/are true of this situation?
1. The pressure is appropriate for minimal tracheal occlusion.
2. This pressure will most likely cause arterial occlusion.
3. At this pressure, only lymphatic flow will be affected.
4. The pressure will cause tracheal necrosis if maintained. - questions and answers2. This
pressure will most likely cause arterial occlusion.
4. The pressure will cause tracheal necrosis if maintained.
A patient has been sent to Radiology for a PET scan. The patient is on oxygen at 5 Llmin. from
an E cylinder reading 1500 psi. How long will the E cylinder last if run until empty? - questions
and answers90 mins
A patient has been sent to Radiology for a PET scan. The patient is on oxygen at 5L/min. from
an E cylinder reading 1500 psi. How long will the E cylinder last if run until empty? - questions
and answers90 minutes
A patient has been weaned from mechanical ventilation. The physician would like the patient's
respiratory muscle strength evaluated to determine further weanability. The therapist should
evaluate which of the following?
1. VDNT
2. VE
3. MIP
4. CST
5. VC - questions and answers3. MIP
5. VC
A patient has just been intubated with a naso- tracheal tube and is being manually ventilated. As
the therapist ventilates the patient, he notices that there is no chest movement, minimal breath
sounds and air escaping from the mouth as the bag is squeezed. A chest x-ray has determined
that the endotracheal tube is in the correct position. What is the most likely cause of this
situation? - questions and answersThe cuff ruptured during intubation
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