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CCRN Questions and Answers (Latest Update 2024)
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CCRN Questions and Answers (Latest Update 2024)
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CCRN Questions and Answers (LatestUpdate 2024)
A patient has had a large anterior 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. - Correct Answer ✅ Defibrillate
,CCRN Questions and Answers (Latest
Update 2024)
A 28-year-old woman is admitted to the critical care unit from
the emergency department with a diagnosis of asthma. Her
initial arterial blood gases on a 28% Venturi mask are as
follows:
pH 7.48
PaCO2 30 mm Hg
HCO3 24 mEq/L
PaO2 64 mm Hg
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
,CCRN Questions and Answers (Latest
Update 2024)
C.
pH 7.40, PaCO2 40 mm Hg, PaO2 62 mm Hg
D.
pH 7.39, PaCO2 30 mm Hg, PaO2 60 mm Hg - Correct
Answer ✅ C.
pH 7.40, PaCO2 40 mm Hg, PaO2 62 mm Hg
The case study shows stage II asthma. Option c shows stage
III asthma. The patient is still breathing at a fast rate, but
carbon dioxide is starting to be retained as evidenced by the
increase of the PaCO2 into normal range. Options a and b are
still stage II. Option d shows a respiratory alkalosis with a
metabolic acidosis because you would have expected the pH
to be in an alkalotic range with the PaCO2 of 30.
A patient experiencing alcohol withdrawal syndrome
describes the swirls in the wallpaper as being worms. This is
an example of which of the following?
A.
, CCRN Questions and Answers (Latest
Update 2024)
Delusion
B.
Hallucination
C.
Illusion
D.
Visual impairment - Correct Answer ✅ C.
Illusion
An illusion is a misperception or misinterpretation of an
actual external stimulus. Illusions and hallucinations (a
perception that has no actual external stimulus) are common
during alcohol withdrawal syndrome.
A patient arrives in the emergency department with multiple
gunshot wounds. He requires massive transfusion for blood
loss from chest and abdominal wounds. The
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