NBRC Practice Test -2 -National Board for Respiratory
Care Exam (2026) || Most Recent Exam 2026-2027
Actual Complete Real Exam Questions And Correct
Answers (Expertly Verified Answers) Already Graded
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Which of the following pieces of equipment would be LEAST
appropriate for the victim of a house fire? A. Pulse oximeter
B. Non-rebreather mask
C. Arterial blood gas kit
D. CPAP system - ANSWER-A. Pulse oximeter
A therapist obtains the following information from a patient:
- Age 35
- HR 98
- f 22/min
- Vt 200 mL
- 68 kg/mL
- Ht 5'11"
A. has an increased deadspace to tidal volume ratio.
B. has a 30% intrapulmonary shunt.
C. is breathing effectively.
D. should be started on oxygen therapy - ANSWER-A. has an
increased deadspace to tidal volume ratio.
,When the FI02 setting on a large volume nebulizer is
changed from 40% to
60%, which of the following will
occur?
1. Total flow to the patient will
increase
2. More air will be entrained through the
nebulizer
3. The density of the aerosol will increase - ANSWER-3. The
density of the
aerosol will
increase
A patient with chronic bronchitis is to receive therapy to help
remove a large amount of thick purulent secretions. Which of
the following devices would be most helpful?
1. mechanical percussor
2. incentive spirometer
3. heated humidifier
4. ultrasonic nebulizer - ANSWER-1. mechanical percussor
4. ultrasonic nebulizer
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. -
ANSWER-2. This pressure will most likely cause arterial
occlusion. 4. The pressure will cause tracheal necrosis if
maintained.
A pressure-cycled ventilator being used for continuous
ventilation fails to cycle into inspiration. This might be caused
by:
1. Sensitivity set too high
2. Failure of apnea control
3. An obstruction in the system
4. Expiratory line disconnected - ANSWER-2. Failure of apnea
control
4. Expiratory line disconnected
Proper instruction for a post-op appendectomy patient
receiving incentive spirometry therapy would include:
1. Deep inspirations
2. Inspiratory hold
3. Strong cough effort
4. Pursed lip breathing - ANSWER-1. Deep inspirations
2. Inspiratory hold
3. Strong cough effort
A patient with an artificial airway in place is being ventilated
with a pressure
cycled ventilator that will not cycle off at end- inspiration. What
is the most likely problem? - ANSWER-the cuff has ruptured
, A change in airway resistance would be reflected by
a change in:
A. dynamic.
compliance
B. thoracic
compliance.
C. lung
compliance.
D. static compliance. - ANSWER-A. dynamic
compliance.
The first parameter to measure when a mechanically ventilated
patient is placed on PEEP is:
A. respiratory rate and cardiac rate.
B. compliance.
C. airway resistance.
D. Pa02. - ANSWER-B. compliance.
Which of the following would NOT occur when increasing the
flowrate on a constant flow, volume-cycled ventilator that is in
the control mode?
A. inspiratory time would decrease
B. the I:E ratio would change
C. the expiratory time would increase
D. The minute ventilation would increase - ANSWER-D. The
minute ventilation would increase
Care Exam (2026) || Most Recent Exam 2026-2027
Actual Complete Real Exam Questions And Correct
Answers (Expertly Verified Answers) Already Graded
A+ | Guaranteed Success!! | Brand New Exam!! Just
Released!!
Which of the following pieces of equipment would be LEAST
appropriate for the victim of a house fire? A. Pulse oximeter
B. Non-rebreather mask
C. Arterial blood gas kit
D. CPAP system - ANSWER-A. Pulse oximeter
A therapist obtains the following information from a patient:
- Age 35
- HR 98
- f 22/min
- Vt 200 mL
- 68 kg/mL
- Ht 5'11"
A. has an increased deadspace to tidal volume ratio.
B. has a 30% intrapulmonary shunt.
C. is breathing effectively.
D. should be started on oxygen therapy - ANSWER-A. has an
increased deadspace to tidal volume ratio.
,When the FI02 setting on a large volume nebulizer is
changed from 40% to
60%, which of the following will
occur?
1. Total flow to the patient will
increase
2. More air will be entrained through the
nebulizer
3. The density of the aerosol will increase - ANSWER-3. The
density of the
aerosol will
increase
A patient with chronic bronchitis is to receive therapy to help
remove a large amount of thick purulent secretions. Which of
the following devices would be most helpful?
1. mechanical percussor
2. incentive spirometer
3. heated humidifier
4. ultrasonic nebulizer - ANSWER-1. mechanical percussor
4. ultrasonic nebulizer
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. -
ANSWER-2. This pressure will most likely cause arterial
occlusion. 4. The pressure will cause tracheal necrosis if
maintained.
A pressure-cycled ventilator being used for continuous
ventilation fails to cycle into inspiration. This might be caused
by:
1. Sensitivity set too high
2. Failure of apnea control
3. An obstruction in the system
4. Expiratory line disconnected - ANSWER-2. Failure of apnea
control
4. Expiratory line disconnected
Proper instruction for a post-op appendectomy patient
receiving incentive spirometry therapy would include:
1. Deep inspirations
2. Inspiratory hold
3. Strong cough effort
4. Pursed lip breathing - ANSWER-1. Deep inspirations
2. Inspiratory hold
3. Strong cough effort
A patient with an artificial airway in place is being ventilated
with a pressure
cycled ventilator that will not cycle off at end- inspiration. What
is the most likely problem? - ANSWER-the cuff has ruptured
, A change in airway resistance would be reflected by
a change in:
A. dynamic.
compliance
B. thoracic
compliance.
C. lung
compliance.
D. static compliance. - ANSWER-A. dynamic
compliance.
The first parameter to measure when a mechanically ventilated
patient is placed on PEEP is:
A. respiratory rate and cardiac rate.
B. compliance.
C. airway resistance.
D. Pa02. - ANSWER-B. compliance.
Which of the following would NOT occur when increasing the
flowrate on a constant flow, volume-cycled ventilator that is in
the control mode?
A. inspiratory time would decrease
B. the I:E ratio would change
C. the expiratory time would increase
D. The minute ventilation would increase - ANSWER-D. The
minute ventilation would increase
