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Barron's CCRN Cardiac Questions and Correct Answers | Latest Update

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  • Barron/Elsevier CCRN

The nurse is caring for a patient with acute inferior wall MI, post-coronary artery stent deployment. For optimal care of the patient, the nurse should: a) administer an analgesic for acute back pain b) Apply pressure dressing to groin c) Continuously monitor the patient in lead II d) Maintai...

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  • September 19, 2024
  • 39
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Barron/Elsevier CCRN
  • Barron/Elsevier CCRN
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2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




Barron's CCRN Cardiac Questions and
Correct Answers | Latest Update
The nurse is caring for a patient with acute inferior wall MI, post-coronary artery stent

deployment. For optimal care of the patient, the nurse should:


a) administer an analgesic for acute back pain


b) Apply pressure dressing to groin


c) Continuously monitor the patient in lead II


d) Maintain the patient in a supine position


✓ -:- Answer: C

It is best practice to continuously monitor the patient status post PCI with stent, in the lead

that was most abnormal during the acute occlusion. Lead II would most likely meet this

criterion for the patient with an inferior wall MI. The remaining interventions are NOT

indicated for the patient post PCI.




The patient with aortic regurgitation will have which of the following on auscultation?


a) Diastolic murmur, loudest at the 5th intercostal space, midclavicular


b) Systolic murmur, loudest at the apex of the heart


c) Diastolic murmur, loudest at the second intercostal space, right sternal border


d) Systolic murmur, loudest at the base of the heart

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,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



✓ -:- Answer: C

Aortic insufficiency (regurgitation) is backflow of blood during the time the aortic valve

should be closed. When is the aortic valve closed? During diastole — therefore it is a

diastolic murmur. The aortic area of auscultation is at the base of the heart, second

intercostal space, right sternal border.




Cardiogenic shock secondary to left ventricular failure will generally result in:


a) Decreased afterload


b) narrow pulse pressure


c) decreased preload


d) Widening pulse pressure


✓ -:- Answer: B

The systolic pressure decreases due to a drop in cardiac output; however, the diastolic

pressure either stays the same or increases due to a compensatory increase of the systemic

vascular resistance. The remaining choices are not found in cardiogenic shock.




The patient was admitted with acute inferior wall STEMI; the physician advises the nurse to

monitor the patient for signs of right ventricular (RV) infarction. Which of the following are

signs of RV infarction?


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,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



a) S2 heart sounds, lung crackles


b) Hypotension, flat neck veins


c) Hypertension, systolic murmur


d) Distended neck veins, clear lungs


✓ -:- Answer: D

If the RV contractility decreases, pressure proximal to the right ventricle (which is the right

atrium) increases, resulting in distended neck veins. As the right heart fails, left heart

preload decreases, lung sounds clear.




The ECG demonstrates ST elevation in leads II, III and aVF. The nurse needs to monitor the

patient closely for which of the following?


a) Tachycardia, lung crackles


b) Sinus bradycardia, acute systolic murmur in the fifth intercostal space, midclavicular


c) Second-degree heart block Type 2, hypotension


d) Hypoxemia, acute systolic murmur, 5th intercostal space left sternal border


✓ -:- Answer: B

Complications likely to occur after an acute inferior wall MI include bradycardia secondary

to ischemia to the SA and/or AV node, and papillary muscle rupture or dysfunction due to



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, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



the anatomical distance between the right coronary artery and the papillary muscle. The

remaining choices are not common complications of inferior MI.




Pulmonary hypertension may result in which of the following?


a) Left heart failure


b) Right heart failure


c) Increased lung compliance


d) Arterial hypertension


✓ -:- Answer: B

The right ventricular wall normally is thinner than the left because the RV generally ejects

into a low pressure pulmonary system with a mean pulmonary pressure of approximately 20

mmHg. An increase in pulmonary pressure may result in failure of the RV.




The patient with a temporary transvenous pacemaker develops pacemaker malfunction. The

orientee is instructed to reposition the patient to try to correct the problem. The cardiac

monitor most likely demonstrates:


a) Periods of asystole without pacemaker activity


b) Runs of ventricular tachycardia


c) Pacemaker spikes without a QRS

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