NBRC TMC/CRT/RRT 2024 EXAM AND
PRACTICE EXAM LATEST 500
QUESTIONS AND CORRECT
DETAILED ANSWERS (100%
CORRECT) |A+ GRADE
ASSURED
A 52 year-old post-operative cholecystectomy patient's breath
sounds become more coarse upon completion of postural
drainage with percussion. The respiratory therapist should
recommend
A. continuing the therapy until breath sounds improve
B. administering dornase alpha.
C. administering albuterol therapy.
D. deep breathing and coughing to clear secretions. -
...ANSWER...deep breathing and coughing to clear secretions.
A 65 kg spinal cord injured patient has developed atelectasis.
His inspiratory capacity is 30% of his predicted value. What
bronchial hygiene therapy would be most appropriate
initially?
A. IS / SMI
B. IPPB with normal saline
C. postural drainage and percussion
D. PEP therapy - ...ANSWER...IPPB with normal saline
A patient on VC ventilation has demonstrated auto-PEEP on
ventilator graphics. Which of the following controls, when
adjusted independently, would increase expiratory time?
,1. Tidal volume
2. Respiratory Rate
3. Inspiratory flow
4. Sensitivity - ...ANSWER...1, 2, and 3 only
A 55 year-old post cardiac surgery patient has the following
ABG results: pH 7.50, PaCO2 30 torr, PaO2 62 torr, HCO3
25 mEq/L, SaO2 92%, HB 14 g/dL, BE +2. Venous blood
gas results are pH 7.39, PvCO2 43 torr, PvO2 37 torr, and
SvO2 66%. Calculate the patient's C(a-v)O2.
A. 2.5 vol%
B. 4.0 vol%
C. 5.0 vol%
D. 5.5 vol% - ...ANSWER...5.0 vol%
Immediately after extubation of a patient in the ICU, the
respiratory therapist observes increasing respiratory distress
with intercostal retractions and marked stridor. The SpO2 on
40% oxygen is noted to be 86%. Which of the following
would be most appropriate at this time?
A. cool mist aerosol treatment
B. aerosolized racemic epinephrine
C. manual ventilation with resuscitation bag and mask
D. reintubation - ...ANSWER...reintubation
Which of the following information may be obtained from a
FVC maneuver during bedside pulmonary function testing?
1. FEV1
2. PEFR
3. FRC
4. RV - ...ANSWER...1 and 2 only
,A patient who complains of dyspnea is noted to have a dry,
non-productive cough. On physical examination, breath
sounds are diminished on the right, tactile fremitus is
decreased and there is dullness to percussion over the right
lower lobe. The respiratory therapist should suspect that the
patient is suffering from
A. pneumonia.
B. pulmonary embolism.
C. pleural effusion.
D. bronchiolitis. - ...ANSWER...pleural effusion
Which of the following suction catheters would be appropriate
to use for a patient with a size 8.0 mm ID endotracheal tube?
A. 8 Fr
B. 10 Fr
C. 12 Fr
D. 14 Fr - ...ANSWER...12 Fr
A patient who is receiving continuous mechanical ventilation
is fighting the ventilator. His breath sounds are markedly
diminished on the left, there is dullness to percussion on the
left, and the trachea is shifted to the left. The most likely
explanation for the problem is that
A. the patient is disconnected from the ventilator.
B. the patient is experiencing diffuse bronchospasm.
C. the endotracheal tube has slipped into the right main
stem bronchus.
D. the patient has developed a left tension pneumothorax. -
...ANSWER...the endotracheal tube has slipped into the right
main stem bronchus.
, What value for the apnea-hypopnea index (AHI) is consistent
with mild obstructive sleep apnea?
A. Less than 5
B. 5 to 15
C. 16 to 30
D. Greater than 30 - ...ANSWER...5 to 15
While monitoring a newborn utilizing a transcutaneous
monitor, you notice a change in PtcO2 from 60 to 142 torr and
simultaneously the (PtcCO2) changes from 37 to 2 torr. What
is the most likely explanation for these changes?
A. Upper airway obstruction
B. Poor peripheral perfusion
C. Air leak around the sensor
D. Device is out of range - ...ANSWER...Air leak around
the sensor
A patient on the general medical ward is on a 28% air
entrainment mask with the flowmeter set at 5 L/min. What is
the total flow delivered to the patient?
A. 5 L/min
B. 55 L/min
C. 88 L/min
D. 140 L/min - ...ANSWER...55/Lmin
Sleep apnea can be defined as repeated episodes of complete
cessation of airflow for
A. 5 seconds or longer.
B. 10 seconds or longer.
C. 15 seconds or longer.
D. 20 seconds or longer. - ...ANSWER...10 seconds or longer
PRACTICE EXAM LATEST 500
QUESTIONS AND CORRECT
DETAILED ANSWERS (100%
CORRECT) |A+ GRADE
ASSURED
A 52 year-old post-operative cholecystectomy patient's breath
sounds become more coarse upon completion of postural
drainage with percussion. The respiratory therapist should
recommend
A. continuing the therapy until breath sounds improve
B. administering dornase alpha.
C. administering albuterol therapy.
D. deep breathing and coughing to clear secretions. -
...ANSWER...deep breathing and coughing to clear secretions.
A 65 kg spinal cord injured patient has developed atelectasis.
His inspiratory capacity is 30% of his predicted value. What
bronchial hygiene therapy would be most appropriate
initially?
A. IS / SMI
B. IPPB with normal saline
C. postural drainage and percussion
D. PEP therapy - ...ANSWER...IPPB with normal saline
A patient on VC ventilation has demonstrated auto-PEEP on
ventilator graphics. Which of the following controls, when
adjusted independently, would increase expiratory time?
,1. Tidal volume
2. Respiratory Rate
3. Inspiratory flow
4. Sensitivity - ...ANSWER...1, 2, and 3 only
A 55 year-old post cardiac surgery patient has the following
ABG results: pH 7.50, PaCO2 30 torr, PaO2 62 torr, HCO3
25 mEq/L, SaO2 92%, HB 14 g/dL, BE +2. Venous blood
gas results are pH 7.39, PvCO2 43 torr, PvO2 37 torr, and
SvO2 66%. Calculate the patient's C(a-v)O2.
A. 2.5 vol%
B. 4.0 vol%
C. 5.0 vol%
D. 5.5 vol% - ...ANSWER...5.0 vol%
Immediately after extubation of a patient in the ICU, the
respiratory therapist observes increasing respiratory distress
with intercostal retractions and marked stridor. The SpO2 on
40% oxygen is noted to be 86%. Which of the following
would be most appropriate at this time?
A. cool mist aerosol treatment
B. aerosolized racemic epinephrine
C. manual ventilation with resuscitation bag and mask
D. reintubation - ...ANSWER...reintubation
Which of the following information may be obtained from a
FVC maneuver during bedside pulmonary function testing?
1. FEV1
2. PEFR
3. FRC
4. RV - ...ANSWER...1 and 2 only
,A patient who complains of dyspnea is noted to have a dry,
non-productive cough. On physical examination, breath
sounds are diminished on the right, tactile fremitus is
decreased and there is dullness to percussion over the right
lower lobe. The respiratory therapist should suspect that the
patient is suffering from
A. pneumonia.
B. pulmonary embolism.
C. pleural effusion.
D. bronchiolitis. - ...ANSWER...pleural effusion
Which of the following suction catheters would be appropriate
to use for a patient with a size 8.0 mm ID endotracheal tube?
A. 8 Fr
B. 10 Fr
C. 12 Fr
D. 14 Fr - ...ANSWER...12 Fr
A patient who is receiving continuous mechanical ventilation
is fighting the ventilator. His breath sounds are markedly
diminished on the left, there is dullness to percussion on the
left, and the trachea is shifted to the left. The most likely
explanation for the problem is that
A. the patient is disconnected from the ventilator.
B. the patient is experiencing diffuse bronchospasm.
C. the endotracheal tube has slipped into the right main
stem bronchus.
D. the patient has developed a left tension pneumothorax. -
...ANSWER...the endotracheal tube has slipped into the right
main stem bronchus.
, What value for the apnea-hypopnea index (AHI) is consistent
with mild obstructive sleep apnea?
A. Less than 5
B. 5 to 15
C. 16 to 30
D. Greater than 30 - ...ANSWER...5 to 15
While monitoring a newborn utilizing a transcutaneous
monitor, you notice a change in PtcO2 from 60 to 142 torr and
simultaneously the (PtcCO2) changes from 37 to 2 torr. What
is the most likely explanation for these changes?
A. Upper airway obstruction
B. Poor peripheral perfusion
C. Air leak around the sensor
D. Device is out of range - ...ANSWER...Air leak around
the sensor
A patient on the general medical ward is on a 28% air
entrainment mask with the flowmeter set at 5 L/min. What is
the total flow delivered to the patient?
A. 5 L/min
B. 55 L/min
C. 88 L/min
D. 140 L/min - ...ANSWER...55/Lmin
Sleep apnea can be defined as repeated episodes of complete
cessation of airflow for
A. 5 seconds or longer.
B. 10 seconds or longer.
C. 15 seconds or longer.
D. 20 seconds or longer. - ...ANSWER...10 seconds or longer
