CCRN Certification Exam Questions with Verified Solutions 2026
A patient has had a large anterior Defibrillate
myocardial infarction last month and
developed a ventricular aneurysm.
He now has episodes of ventricular
tachycardia that are not prevented or
converted with antidysrhythmic
agents. An implantable cardioverter-
defibrillator (ICD) is implanted. Four
days after surgery he develops
ventricular tachycardia. The ICD has
delivered three shocks but has not
converted the rhythm. He is
pulseless and apneic.
Cardiopulmonary resuscitation is in
progress. What is the priority action
now?
A.
Administer epinephrine IV.
B.
Administer amiodarone.
C.
Defibrillate.
D.
Reset the ICD.
, CCRN Certification Exam Questions with Verified Solutions 2026
A 28-year-old woman is admitted to C.
the critical care unit from the pH 7.40, PaCO2 40 mm Hg, PaO2 62 mm Hg
emergency department with a
diagnosis of asthma. Her initial The case study shows stage II asthma. Option c
arterial blood gases on a 28% Venturi shows stage III asthma. The patient is still breathing
mask are as follows: at a fast rate, but carbon dioxide is starting to be
retained as evidenced by the increase of the
pH 7.48 PaCO2 into normal range. Options a and b are still
PaCO2 30 mm Hg stage II. Option d shows a respiratory alkalosis with
HCO3 24 mEq/L a metabolic acidosis because you would have
PaO2 64 mm Hg expected the pH to be in an alkalotic range with
the PaCO2 of 30.
Which of the following repeat
arterial blood gases on 40% oxygen
indicate that the patient's condition is
worsening?
A.
pH 7.48, PaCO2 30 mm Hg, PaO2 68
mm Hg
B.
pH 7.46, PaCO2 32 mm Hg, PaO2 61
mm Hg
C.
pH 7.40, PaCO2 40 mm Hg, PaO2 62
mm Hg
D.
pH 7.39, PaCO2 30 mm Hg, PaO2 60
mm Hg
, CCRN Certification Exam Questions with Verified Solutions 2026
A patient experiencing alcohol C.
withdrawal syndrome describes the Illusion
swirls in the wallpaper as being
worms. This is an example of which An illusion is a misperception or misinterpretation
of the following? of an actual external stimulus. Illusions and
hallucinations (a perception that has no actual
A. external stimulus) are common during alcohol
Delusion withdrawal syndrome.
B.
Hallucination
C.
Illusion
D.
Visual impairment
, CCRN Certification Exam Questions with Verified Solutions 2026
A patient arrives in the emergency Hyperkalemia
department with multiple gunshot
wounds. He requires massive Banked blood is high in potassium because of
transfusion for blood loss from chest hemolysis. Look for tall, peaked T waves and
and abdominal wounds. The widening of the QRS complex. Other
electrocardiogram should be considerations with massive transfusion of banked
observed closely for changes blood are hypocalcemia, hypothermia, and
indicative of which of the following? decreased tissue oxygen delivery caused by
decreased levels of 2,3-diphosphoglycerate.
A.
Atrioventricular block
B.
Hyperkalemia
C.
Hypercalcemia
D.
Hypomagnesemia
A patient has had a large anterior Defibrillate
myocardial infarction last month and
developed a ventricular aneurysm.
He now has episodes of ventricular
tachycardia that are not prevented or
converted with antidysrhythmic
agents. An implantable cardioverter-
defibrillator (ICD) is implanted. Four
days after surgery he develops
ventricular tachycardia. The ICD has
delivered three shocks but has not
converted the rhythm. He is
pulseless and apneic.
Cardiopulmonary resuscitation is in
progress. What is the priority action
now?
A.
Administer epinephrine IV.
B.
Administer amiodarone.
C.
Defibrillate.
D.
Reset the ICD.
, CCRN Certification Exam Questions with Verified Solutions 2026
A 28-year-old woman is admitted to C.
the critical care unit from the pH 7.40, PaCO2 40 mm Hg, PaO2 62 mm Hg
emergency department with a
diagnosis of asthma. Her initial The case study shows stage II asthma. Option c
arterial blood gases on a 28% Venturi shows stage III asthma. The patient is still breathing
mask are as follows: at a fast rate, but carbon dioxide is starting to be
retained as evidenced by the increase of the
pH 7.48 PaCO2 into normal range. Options a and b are still
PaCO2 30 mm Hg stage II. Option d shows a respiratory alkalosis with
HCO3 24 mEq/L a metabolic acidosis because you would have
PaO2 64 mm Hg expected the pH to be in an alkalotic range with
the PaCO2 of 30.
Which of the following repeat
arterial blood gases on 40% oxygen
indicate that the patient's condition is
worsening?
A.
pH 7.48, PaCO2 30 mm Hg, PaO2 68
mm Hg
B.
pH 7.46, PaCO2 32 mm Hg, PaO2 61
mm Hg
C.
pH 7.40, PaCO2 40 mm Hg, PaO2 62
mm Hg
D.
pH 7.39, PaCO2 30 mm Hg, PaO2 60
mm Hg
, CCRN Certification Exam Questions with Verified Solutions 2026
A patient experiencing alcohol C.
withdrawal syndrome describes the Illusion
swirls in the wallpaper as being
worms. This is an example of which An illusion is a misperception or misinterpretation
of the following? of an actual external stimulus. Illusions and
hallucinations (a perception that has no actual
A. external stimulus) are common during alcohol
Delusion withdrawal syndrome.
B.
Hallucination
C.
Illusion
D.
Visual impairment
, CCRN Certification Exam Questions with Verified Solutions 2026
A patient arrives in the emergency Hyperkalemia
department with multiple gunshot
wounds. He requires massive Banked blood is high in potassium because of
transfusion for blood loss from chest hemolysis. Look for tall, peaked T waves and
and abdominal wounds. The widening of the QRS complex. Other
electrocardiogram should be considerations with massive transfusion of banked
observed closely for changes blood are hypocalcemia, hypothermia, and
indicative of which of the following? decreased tissue oxygen delivery caused by
decreased levels of 2,3-diphosphoglycerate.
A.
Atrioventricular block
B.
Hyperkalemia
C.
Hypercalcemia
D.
Hypomagnesemia
