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CEN Review (ENA Ch.7 Practice Exam) Questions and Answers (Latest Update 2025)
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CEN Review (ENA Ch.7 Practice Exam) Questions and Answers (Latest Update 2025)
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CEN Review (ENA Ch.7 Practice Exam)Questions and Answers (Latest Update
2025)
A patient with chest pain has a 12-lead electrocardiogram
that shows a new onset left bundle branch block. There is > 1
mm concordant ST elevation in lead aVF. What is the priority
intervention for this patient?
A. Continuous ST-segment monitoring
B. Serial troponin measurements
C. Preparing the patient for transport to the cardiac
catheterization lab
D. Admission to a telemetry unit for observation - Correct
Answer ✅C. Preparing the patient for transport to the
cardiac catheterization lab
During the completion of a 12-lead electrocardiogram, the
nurse identifies excessive artifact in lead II and lead III. To
resolve this technical difficulty, the nurse should:
A. change the right arm electrode.
B. check for cable movement.
C. change the left leg electrode.
,CEN Review (ENA Ch.7 Practice Exam)
Questions and Answers (Latest Update
2025)
D. instruct the patient to momentarily hold their breath. -
Correct Answer ✅C. change the left leg electrode.
A patient with ST elevation in leads II, III, and aVF is likely to
experience an infarct in which location of the heart?
A. Inferior
B. Anterior
C. Lateral
D. Posterior - Correct Answer ✅A. Inferior
A patient states they awoke from sleep with midsternal chest
pain approximately 4-5 hours ago. In the presence of an
acute myocardial infarction (AMI), the initial elevation of the
troponin cardiac biomarkers occurs within:
A. 1-2 hours of onset of an AMI.
B. 3-12 hours of onset of an AMI.
C. 24-30 hours of onset of an AMI.
,CEN Review (ENA Ch.7 Practice Exam)
Questions and Answers (Latest Update
2025)
D. 10-24 hours of onset of an AMI. - Correct Answer ✅B. 3-
12 hours of onset of an AMI.
The nurse suspects a patient may have an acute aortic
dissection when, during the history-taking process, the
patient describes the pain as:
A. squeezing, burning epigastric pain that may radiate to the
middle back area.
B. right upper quadrant pain referred to the right scapula and
shoulder.
C. sudden, severe tearing or ripping chest, interscapular, or
back pain.
D. sharp, stabbing chest pain radiating to the neck, arms, or
left shoulder - Correct Answer ✅C. sudden, severe tearing
or ripping chest, interscapular, or back pain.
You are assisting in the resuscitation of a patient in cardiac
arrest. A waveform capnography is in place, and high-quality
cardiopulmonary resuscitation is being performed. A sudden
, CEN Review (ENA Ch.7 Practice Exam)
Questions and Answers (Latest Update
2025)
increase in the level of the end-tidal carbon dioxide indicates
the:
A. need for deeper and faster chest compressions.
B. need for an additional dose of a vasopressor.
C. presence of an irreversible cardiac arrest.
D. return of spontaneous circulation. - Correct Answer ✅D.
return of spontaneous circulation.
The cardiac monitor of a patient in cardiac arrest displays
sinus rhythm, but no palpable pulse can be detected. The
most likely cause of this pulseless electrical activity (PEA) is:
A. glucose level of 145 mg/dL.
B. potassium value of 1.3 mmol/L (1.3 mEq/L).
C. arterial pH of 7.36.
D. magnesium level of 3.0 mg/dL. - Correct Answer ✅B.
potassium value of 1.3 mmol/L (1.3 mEq/L).
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