NBRC Practice Exam 7 Questions and
Answers.
An intubated patient begins exhibiting severe respiratory distress. The respiratory
therapist auscultates no breath sounds and determines there is no gas flow passing
through the end of the ETT. The high pressure alarm is sounding on the ventilator.
Which of the following should the therapist do?
A. Instill 5 mL of saline down the ETT and suction
B. Extubate and manually ventilate the patient
C. Obtain an ABG
D. Recommend a stat chest x-ray -
\Extubate and manually ventilate the patient
A patient is receiving IPPB therapy at a PIP of 20 cmH2O. The patient begins having
bronchospasms during the treatment. Which of the following is true?
1. The PIP will increase
2. The tidal volume will decrease
3. The inspiratory time will increase -
\2 only
During the administration of IPPB, the RT notices the machine repeatedly triggers on
shortly after the patient has begun expiration. In order to correct this problem, the
therapist should check which of the following?
1. Sensitivity control
2. Flow control
3. Inspiratory pressure control
4. Rate control (expiratory timer) -
\1 and 4 only
The following data is collected from a 4-day-old neonate receiving PC ventilation.
SIMV
Rate - 30/min
PIP - 20 cmH2O
FiO2 - 0.50
PEEP - 4 cmH2O
pH - 7.29
PaCO2 - 53 torr
PaO2 - 46 torr
HCO3 - 27 mEq/L
, BE - +2 mEq/L
The RT should recommend to increase the...
A. FiO2
B. PEEP
C. PIP
D. Inspiratory flow -
\PIP
The physician asks you to evaluate her patient for weaning readiness. After obtaining
weaning parameters, you would report which of the following as meeting the criteria for
weaning from mechanical ventilation?
1. VD/VT = 0.50
2. PaO2 = 70 torr on an FiO2 of 40%
3. RSBI = 140
4. Spontaneous tidal volume = 6 mL/kg -
\1 and 4 only
The following data is collected on a 75 kg (165 lb) patient receiving PC ventilation.
SIMV
PIP - 22 cmH2O
PEEP - 5 cmH2O
Rate - 12/min
FiO2 - 0.60
PS - 10 cmH2O
Exhaled tidal volume - 300 mL
pH - 7.27
PaCO2 - 54 torr
PaO2 - 70 torr
HCO3 - 24 mEq/L
BE - 0 mEq/L
The RT should recommend which of the following?
A. Increase the PIP to 26 cmH2O
B. Increase the FiO2 to 0.70
C. Increase the PEEP to 8 cmH2O
D. Increase rate to 15/min -
\Increase the PIP to 26 cmH2O
The following data are collected on a 70 kg (154 lb) patient receiving VC ventilation.
Answers.
An intubated patient begins exhibiting severe respiratory distress. The respiratory
therapist auscultates no breath sounds and determines there is no gas flow passing
through the end of the ETT. The high pressure alarm is sounding on the ventilator.
Which of the following should the therapist do?
A. Instill 5 mL of saline down the ETT and suction
B. Extubate and manually ventilate the patient
C. Obtain an ABG
D. Recommend a stat chest x-ray -
\Extubate and manually ventilate the patient
A patient is receiving IPPB therapy at a PIP of 20 cmH2O. The patient begins having
bronchospasms during the treatment. Which of the following is true?
1. The PIP will increase
2. The tidal volume will decrease
3. The inspiratory time will increase -
\2 only
During the administration of IPPB, the RT notices the machine repeatedly triggers on
shortly after the patient has begun expiration. In order to correct this problem, the
therapist should check which of the following?
1. Sensitivity control
2. Flow control
3. Inspiratory pressure control
4. Rate control (expiratory timer) -
\1 and 4 only
The following data is collected from a 4-day-old neonate receiving PC ventilation.
SIMV
Rate - 30/min
PIP - 20 cmH2O
FiO2 - 0.50
PEEP - 4 cmH2O
pH - 7.29
PaCO2 - 53 torr
PaO2 - 46 torr
HCO3 - 27 mEq/L
, BE - +2 mEq/L
The RT should recommend to increase the...
A. FiO2
B. PEEP
C. PIP
D. Inspiratory flow -
\PIP
The physician asks you to evaluate her patient for weaning readiness. After obtaining
weaning parameters, you would report which of the following as meeting the criteria for
weaning from mechanical ventilation?
1. VD/VT = 0.50
2. PaO2 = 70 torr on an FiO2 of 40%
3. RSBI = 140
4. Spontaneous tidal volume = 6 mL/kg -
\1 and 4 only
The following data is collected on a 75 kg (165 lb) patient receiving PC ventilation.
SIMV
PIP - 22 cmH2O
PEEP - 5 cmH2O
Rate - 12/min
FiO2 - 0.60
PS - 10 cmH2O
Exhaled tidal volume - 300 mL
pH - 7.27
PaCO2 - 54 torr
PaO2 - 70 torr
HCO3 - 24 mEq/L
BE - 0 mEq/L
The RT should recommend which of the following?
A. Increase the PIP to 26 cmH2O
B. Increase the FiO2 to 0.70
C. Increase the PEEP to 8 cmH2O
D. Increase rate to 15/min -
\Increase the PIP to 26 cmH2O
The following data are collected on a 70 kg (154 lb) patient receiving VC ventilation.
