CCRN EXAM QUESTIONS & ANSWERS

CCRN EXAM QUESTIONS & ANSWERS
Question : A patient in the ED with complaints of chest
pain. The 12-lead EKG shows ST elevation in leads V3
and V4. Occlusion of the affected coronary artery most
likely would affect perfusion to which portion of the
conduction system?
A. Sinoatrial (SA) node
B. Bachmann's bundle
C. Atrioventricular (AV) node
D. Bundle of His
Correct answer: LAD so D. bundle of his
Question : Which of the following is the preferred lead
for ST segment monitoring for a patient with a suspected
RCA occlusion?
A.I
B. aVR
C. III

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