ENA Critical care Test Questions and Answers Graded A+
When assessing a patient on mechanical The nurse is caring for a patient after pulmonary
ventilation, you discover absent breath sounds artery catheter insertion. Which complication may
on one side and tracheal deviation. Which occur if the catheter migrates?
complication of mechanical ventilation should
you suspect? A. Vasospasm
B. Cardiac tamponade
A. Pneumonia C. Pulmonary hypertension
B. Oxygen toxicity D. Premature ventricular contractions -
C. Auto-positive end-expiratory pressure ANSWER -D
D. Tension pneumothorax - ANSWER -D
In a patient with abdominal hypertension, what
A patient is receiving pressure-controlled, volume causes inadequate ventilation?
variable mechanical ventilation. What is a
disadvantage of this type of mechanical A. Anatomical causes
ventilation? B. Shunting
C. Muscular abnormalities
A. The distending pressure of the lungs is limited. D. Partial airway obstruction - ANSWER -A
B. Inspiration is terminated when a certain
pressure is achieved.
C. It is associated with a risk of lung injury. A patient in the emergency department is started
D. Minute ventilation volume is not guaranteed. - on permissive hypercapnia. The physician orders
ANSWER -D arterial blood gas analysis on this patient. Which
arterial blood gas finding should you expect?
Which finding is considered a manifestation of A. pH of 7.15
systemic inflammatory response syndrome? B. pH of 7.25
C. pH of 7.35
A. A white blood cell count of 11,500/mm3 D. pH of 7.45 - ANSWER -B
B. A heart rate of 85 beats per minute
C. A partial pressure of carbon dioxide (PaCO2)
of 26 mm Hg Which mode of mechanical ventilation lets the
D. A temperature of 96.8° F (36° C) - patient breathe at his or her own tidal volume?
ANSWER -C
A. Pressure control ventilation
B. Synchronized intermittent mandatory
For a mechanically ventilated patient, which ventilation
nursing intervention decreases the risk of C. Assist control
developing ventilator-associated pneumonia? D. Continuous positive airway pressure -
ANSWER -B
A. Regular oral care
B. Use of the same suction catheter periodically
C. Keeping the patient flat in bed What causes stacking breaths in a patient on
D. Routine saline lavage - ANSWER -A mechanical ventilation?
A. Auto-positive end-expiratory pressure
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, ENA Critical care Test Questions and Answers Graded A+
B. Barotrauma reading."
C. Infection C. "A dicrotic notch represents the perfusion
D. Oxygen toxicity - ANSWER -A pressure."
D. "A dicrotic notch separates the systolic and
diastolic phases on the arterial waveform." -
The nurse is calculating the patient's cerebral ANSWER -D
perfusion pressure. The cerebral perfusion
pressure should minimally be maintained at
which target level? The nurse is assessing a patient's ability to be
weaned off mechanical ventilation. Which
A. Less than 50 mm Hg ventilator setting recognizes the patient's
B. 60 to 70 mm Hg spontaneous respiratory effort?
C. 80 to 100 mm Hg
D. More than 100 mm Hg - ANSWER -B A. Positive inspiratory pressure
B. Inspiratory/expiratory ratio
C. Sensitivity
When caring for a patient on mechanical D. Positive end-expiratory pressure -
ventilation, the nurse should expect which ANSWER -C
ventilator setting to increase the patient's
functional residual capacity?
Which intracranial pressure monitoring device
A. Inspiratory/expiratory ratio allows for drainage and sampling of
B. Positive end-expiratory pressure cerebrospinal fluid?
C. Sensitivity
D. Positive inspiratory pressure - A. Ventriculostomy catheter
ANSWER -A B. Subdural catheter
C. Intraparenchymal probe
D. Subarachnoid screw - ANSWER -A
In which disorder are the alveoli ventilated but
not perfused?
A patient on mechanical ventilation is
A. Cardiogenic shock experiencing fluctuations in his arterial pH level.
B. Pulmonary contusion Which ventilator setting is likely to cause these
C. Atelectasis fluctuations?
D. Traumatic brain injury - ANSWER -A
A. Tidal volume
B. Pressure-controlled ventilation
A nurse is being oriented to the emergency C. Rate
department. Which statement by the nurse D. Fraction of inspired oxygen (FiO2) -
demonstrates a correct understanding of the ANSWER -C
dicrotic notch on an arterial waveform?
A. "A dicrotic notch represents the inotropic A patient with acute respiratory distress
upstroke." syndrome is likely to need which ventilatory
B. "A dicrotic notch establishes the zero adjunct?
reference point on the central venous pressure
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When assessing a patient on mechanical The nurse is caring for a patient after pulmonary
ventilation, you discover absent breath sounds artery catheter insertion. Which complication may
on one side and tracheal deviation. Which occur if the catheter migrates?
complication of mechanical ventilation should
you suspect? A. Vasospasm
B. Cardiac tamponade
A. Pneumonia C. Pulmonary hypertension
B. Oxygen toxicity D. Premature ventricular contractions -
C. Auto-positive end-expiratory pressure ANSWER -D
D. Tension pneumothorax - ANSWER -D
In a patient with abdominal hypertension, what
A patient is receiving pressure-controlled, volume causes inadequate ventilation?
variable mechanical ventilation. What is a
disadvantage of this type of mechanical A. Anatomical causes
ventilation? B. Shunting
C. Muscular abnormalities
A. The distending pressure of the lungs is limited. D. Partial airway obstruction - ANSWER -A
B. Inspiration is terminated when a certain
pressure is achieved.
C. It is associated with a risk of lung injury. A patient in the emergency department is started
D. Minute ventilation volume is not guaranteed. - on permissive hypercapnia. The physician orders
ANSWER -D arterial blood gas analysis on this patient. Which
arterial blood gas finding should you expect?
Which finding is considered a manifestation of A. pH of 7.15
systemic inflammatory response syndrome? B. pH of 7.25
C. pH of 7.35
A. A white blood cell count of 11,500/mm3 D. pH of 7.45 - ANSWER -B
B. A heart rate of 85 beats per minute
C. A partial pressure of carbon dioxide (PaCO2)
of 26 mm Hg Which mode of mechanical ventilation lets the
D. A temperature of 96.8° F (36° C) - patient breathe at his or her own tidal volume?
ANSWER -C
A. Pressure control ventilation
B. Synchronized intermittent mandatory
For a mechanically ventilated patient, which ventilation
nursing intervention decreases the risk of C. Assist control
developing ventilator-associated pneumonia? D. Continuous positive airway pressure -
ANSWER -B
A. Regular oral care
B. Use of the same suction catheter periodically
C. Keeping the patient flat in bed What causes stacking breaths in a patient on
D. Routine saline lavage - ANSWER -A mechanical ventilation?
A. Auto-positive end-expiratory pressure
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, ENA Critical care Test Questions and Answers Graded A+
B. Barotrauma reading."
C. Infection C. "A dicrotic notch represents the perfusion
D. Oxygen toxicity - ANSWER -A pressure."
D. "A dicrotic notch separates the systolic and
diastolic phases on the arterial waveform." -
The nurse is calculating the patient's cerebral ANSWER -D
perfusion pressure. The cerebral perfusion
pressure should minimally be maintained at
which target level? The nurse is assessing a patient's ability to be
weaned off mechanical ventilation. Which
A. Less than 50 mm Hg ventilator setting recognizes the patient's
B. 60 to 70 mm Hg spontaneous respiratory effort?
C. 80 to 100 mm Hg
D. More than 100 mm Hg - ANSWER -B A. Positive inspiratory pressure
B. Inspiratory/expiratory ratio
C. Sensitivity
When caring for a patient on mechanical D. Positive end-expiratory pressure -
ventilation, the nurse should expect which ANSWER -C
ventilator setting to increase the patient's
functional residual capacity?
Which intracranial pressure monitoring device
A. Inspiratory/expiratory ratio allows for drainage and sampling of
B. Positive end-expiratory pressure cerebrospinal fluid?
C. Sensitivity
D. Positive inspiratory pressure - A. Ventriculostomy catheter
ANSWER -A B. Subdural catheter
C. Intraparenchymal probe
D. Subarachnoid screw - ANSWER -A
In which disorder are the alveoli ventilated but
not perfused?
A patient on mechanical ventilation is
A. Cardiogenic shock experiencing fluctuations in his arterial pH level.
B. Pulmonary contusion Which ventilator setting is likely to cause these
C. Atelectasis fluctuations?
D. Traumatic brain injury - ANSWER -A
A. Tidal volume
B. Pressure-controlled ventilation
A nurse is being oriented to the emergency C. Rate
department. Which statement by the nurse D. Fraction of inspired oxygen (FiO2) -
demonstrates a correct understanding of the ANSWER -C
dicrotic notch on an arterial waveform?
A. "A dicrotic notch represents the inotropic A patient with acute respiratory distress
upstroke." syndrome is likely to need which ventilatory
B. "A dicrotic notch establishes the zero adjunct?
reference point on the central venous pressure
2/5
