NBRC TMC/CRT/RRT Exam Questions And
Answers Verified 100% Correct
A pre-op patient who is at high risk for post-operative complications should be evaluated
by obtaining the results of
A. VD/VT study.
B. diffusion studies.
C. basic spirometry.
D. indirect calorimetry. - ANSWER- C. basic spirometry.
A patient is receiving noninvasive positive pressure ventilation by mask. Current
settings and arterial blood gas results are as follows:
IPAP 10 cm H2O
EPAP 5 cm H2O
Respiratory rate 12 /min
pH 7.31 PaCO2
56 torr
PaO2 63 torr
HCO3 25 mEq/L
BE +1 mEq/L
Which of the following should the respiratory therapist recommend?
A. Increase the EPAP to 10 cm H2O
B. Decrease the EPAP to 3 cm H2O
C. Increase the IPAP to 20 cm H2O
D. Decrease the IPAP to 5 cm H2O - ANSWER- C. Increase the IPAP to 20 cm H2O
During recovery from resection of an aortic aneurysm, a 65-year-old female patient
suddenly develops severe substernal chest pain with grave dyspnea. The physician
describes the bilateral breath sounds as basilar moist crepitant crackles. The patient
appears pale, cool and diaphoretic. Which of the following should the respiratory
therapist recommend as part of the initial assessment of this patient?
A. ECG
B. CBC
,C. Serum electrolytes
D. Lateral decubitus radiograph - ANSWER- A. ECG
A patient is diagnosed with unilateral lung disease. The physician has requested that
the effected lung be ventilated at a pressure 10 cm H2O lower than the normal lung.
The respiratory therapist should recommend providing this type of ventilation via
A. cricothyroidotomy.
B. esophageal combi-tube.
C. transtracheal catheter.
D. double-lumen endobronchial tube. - ANSWER- D. double-lumen endobronchial tube.
Which of the following techniques measures total lung capacity?
1. Helium dilution
2. Body plethysmography
3. Single breath nitrogen elimination
A. 1 &2
B. 2 only
C. 3 only
D. 1 & 3 - ANSWER- A. 1 &2
A 30-year-old male who weighs 68 kg (150 lb) has a minute ventilation of 9 L/min. and a
respiratory rate of 20/min. What is his alveolar minute volume?
A. 4 L/min.
B. 6 L/min.
C. 8 L/min.
D. 12 L/min. - ANSWER- B. 6 L/min.
During a cardiopulmonary stress test on a 55-year-old man, the respiratory therapist
notes the following changes:
Heart rate increases
Blood pressure increases
VD/VT ratio decreases
Respiratory rate increases
The therapist should
A. continue the test.
,B. terminate the test.
C. contact the physician.
D. administer amiodarone. - ANSWER- A. continue the test.
The respiratory therapist receives an order to administer bronchodilator therapy with
albuterol. To reduce the chance of cross contamination, the therapist should
A. select a metered dose inhaler.
B. utilize a dry powder inhaler.
C. replace the small volume nebulizer every 24 hours.
D. wipe the surface of the nebulizer with alcohol every evening. - ANSWER- A. select a
metered dose inhaler.
Which of the following is a FALSE statement about self-inflating resuscitation devices?
A. A reservoir is utilized to increase the delivered oxygen concentration.
B. The therapist can sense changes in the patient's lung compliance and airway
resistance.
C. A compressed gas source is necessary for the device to operate.
D. Excessive gas flow may cause the valve to malfunction. - ANSWER- C. A
compressed gas source is necessary for the device to operate.
A 72-year-old male patient who is 5' 10" tall and weighs 75 kg (165 lb) is receiving
mechanical ventilation. The respiratory therapist notes diminished breath sounds in the
bases of both lungs. The patient is on the following ventilator settings:
Mode VC, A/C
VT 600 mL
Set rate 10 br/min
PEEP 10 cm H2O FIO2
0.50
Sigh volume 0.6 L
Arterial blood gases show:
pH 7.42 PaO2
82 torr
PaCO2 38 torr
SaO2 93%
Based on this information, the respiratory therapist should
A. maintain the current settings.
, B. increase the set rate to 12 br/min.
C. decrease the tidal volume to 500 mL.
D. increase the sigh volume to 1.0 L. - ANSWER- D. increase the sigh volume to 1.0 L.
A patient in the intensive care unit has the following hemodynamic measurements:
CVP: 12 mm Hg
PAP: 48/16 mm Hg
PCWP: 15 mm Hg
MAP: 99 mm Hg
Cardiac Output: 8.0 L/min.
Cardiac Index: 4.7 L/min/m2
Which of the following should the respiratory therapist recommend?
A. Oxygen
B. Dopamine
C. Lidocaine
D. Furosemide - ANSWER- D. Furosemide
The following pulmonary function data was reported for a 45 year old pre-op patient:
TLC - 5.4 L RV - 1.0 L
IRV - 2.6 L VC - 4.2 L
ERV - 1.0 L VT - 0.6 L
FRC - 2.0 L IC - 3.2 L
Which of the above capacities is incorrect?
A. TLC
B. VC
C. FRC
D. IC - ANSWER- A. TLC
A 16-year-old patient involved in a motorcycle accident has been admitted to the
emergency department. The paramedic indicates that the patient was not wearing a
helmet. To assess the patient's neurologic status the respiratory therapist would assess
the patient's
A. vital capacity.
B. pupillary response.
C. herring bruer reflex .
Answers Verified 100% Correct
A pre-op patient who is at high risk for post-operative complications should be evaluated
by obtaining the results of
A. VD/VT study.
B. diffusion studies.
C. basic spirometry.
D. indirect calorimetry. - ANSWER- C. basic spirometry.
A patient is receiving noninvasive positive pressure ventilation by mask. Current
settings and arterial blood gas results are as follows:
IPAP 10 cm H2O
EPAP 5 cm H2O
Respiratory rate 12 /min
pH 7.31 PaCO2
56 torr
PaO2 63 torr
HCO3 25 mEq/L
BE +1 mEq/L
Which of the following should the respiratory therapist recommend?
A. Increase the EPAP to 10 cm H2O
B. Decrease the EPAP to 3 cm H2O
C. Increase the IPAP to 20 cm H2O
D. Decrease the IPAP to 5 cm H2O - ANSWER- C. Increase the IPAP to 20 cm H2O
During recovery from resection of an aortic aneurysm, a 65-year-old female patient
suddenly develops severe substernal chest pain with grave dyspnea. The physician
describes the bilateral breath sounds as basilar moist crepitant crackles. The patient
appears pale, cool and diaphoretic. Which of the following should the respiratory
therapist recommend as part of the initial assessment of this patient?
A. ECG
B. CBC
,C. Serum electrolytes
D. Lateral decubitus radiograph - ANSWER- A. ECG
A patient is diagnosed with unilateral lung disease. The physician has requested that
the effected lung be ventilated at a pressure 10 cm H2O lower than the normal lung.
The respiratory therapist should recommend providing this type of ventilation via
A. cricothyroidotomy.
B. esophageal combi-tube.
C. transtracheal catheter.
D. double-lumen endobronchial tube. - ANSWER- D. double-lumen endobronchial tube.
Which of the following techniques measures total lung capacity?
1. Helium dilution
2. Body plethysmography
3. Single breath nitrogen elimination
A. 1 &2
B. 2 only
C. 3 only
D. 1 & 3 - ANSWER- A. 1 &2
A 30-year-old male who weighs 68 kg (150 lb) has a minute ventilation of 9 L/min. and a
respiratory rate of 20/min. What is his alveolar minute volume?
A. 4 L/min.
B. 6 L/min.
C. 8 L/min.
D. 12 L/min. - ANSWER- B. 6 L/min.
During a cardiopulmonary stress test on a 55-year-old man, the respiratory therapist
notes the following changes:
Heart rate increases
Blood pressure increases
VD/VT ratio decreases
Respiratory rate increases
The therapist should
A. continue the test.
,B. terminate the test.
C. contact the physician.
D. administer amiodarone. - ANSWER- A. continue the test.
The respiratory therapist receives an order to administer bronchodilator therapy with
albuterol. To reduce the chance of cross contamination, the therapist should
A. select a metered dose inhaler.
B. utilize a dry powder inhaler.
C. replace the small volume nebulizer every 24 hours.
D. wipe the surface of the nebulizer with alcohol every evening. - ANSWER- A. select a
metered dose inhaler.
Which of the following is a FALSE statement about self-inflating resuscitation devices?
A. A reservoir is utilized to increase the delivered oxygen concentration.
B. The therapist can sense changes in the patient's lung compliance and airway
resistance.
C. A compressed gas source is necessary for the device to operate.
D. Excessive gas flow may cause the valve to malfunction. - ANSWER- C. A
compressed gas source is necessary for the device to operate.
A 72-year-old male patient who is 5' 10" tall and weighs 75 kg (165 lb) is receiving
mechanical ventilation. The respiratory therapist notes diminished breath sounds in the
bases of both lungs. The patient is on the following ventilator settings:
Mode VC, A/C
VT 600 mL
Set rate 10 br/min
PEEP 10 cm H2O FIO2
0.50
Sigh volume 0.6 L
Arterial blood gases show:
pH 7.42 PaO2
82 torr
PaCO2 38 torr
SaO2 93%
Based on this information, the respiratory therapist should
A. maintain the current settings.
, B. increase the set rate to 12 br/min.
C. decrease the tidal volume to 500 mL.
D. increase the sigh volume to 1.0 L. - ANSWER- D. increase the sigh volume to 1.0 L.
A patient in the intensive care unit has the following hemodynamic measurements:
CVP: 12 mm Hg
PAP: 48/16 mm Hg
PCWP: 15 mm Hg
MAP: 99 mm Hg
Cardiac Output: 8.0 L/min.
Cardiac Index: 4.7 L/min/m2
Which of the following should the respiratory therapist recommend?
A. Oxygen
B. Dopamine
C. Lidocaine
D. Furosemide - ANSWER- D. Furosemide
The following pulmonary function data was reported for a 45 year old pre-op patient:
TLC - 5.4 L RV - 1.0 L
IRV - 2.6 L VC - 4.2 L
ERV - 1.0 L VT - 0.6 L
FRC - 2.0 L IC - 3.2 L
Which of the above capacities is incorrect?
A. TLC
B. VC
C. FRC
D. IC - ANSWER- A. TLC
A 16-year-old patient involved in a motorcycle accident has been admitted to the
emergency department. The paramedic indicates that the patient was not wearing a
helmet. To assess the patient's neurologic status the respiratory therapist would assess
the patient's
A. vital capacity.
B. pupillary response.
C. herring bruer reflex .
