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AACN CSC Review Course Session 1 Exam Questions and Answers $11.49   Add to cart

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AACN CSC Review Course Session 1 Exam Questions and Answers

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AACN CSC Review Course Session 1 Exam Questions and Answers 70% - ANSWER-at rest the myocardium extracts ___% of available oxygen 30-35% - ANSWER-normal SvO2 in heart 60-80% - ANSWER-normal SvO2 in body coronary perfusion pressure - ANSWER-DBP - LVEDP > 40 mmHg - ANSWER-normal coronary per...

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  • November 3, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • AACN CSC
  • AACN CSC
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KaylinHoffman
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AACN CSC Review Course Session 1

Exam Questions and Answers


70% - ANSWER✔✔-at rest the myocardium extracts ___% of available oxygen


30-35% - ANSWER✔✔-normal SvO2 in heart


60-80% - ANSWER✔✔-normal SvO2 in body


coronary perfusion pressure - ANSWER✔✔-DBP - LVEDP


> 40 mmHg - ANSWER✔✔-normal coronary perfusion pressure


auto-regulation - ANSWER✔✔-coronary circulation is a constant due to _______________________.


aortic - ANSWER✔✔-the coronary arteries originate behind the respective ________ valve leaflets


left main coronary artery - ANSWER✔✔-bifurcates into the LAD and Cx arteries; 2-5cm long; not grafted

directly


PA and aorta - ANSWER✔✔-the left main is inaccessible without dividing the _____ and _____


left main, circumflex, RCA - ANSWER✔✔-what are the 3 main segments of the coronary circulation


circumflex artery - ANSWER✔✔-coronary artery that courses AV groove beneath LAA; has obtuse

marginal branches


LAD - ANSWER✔✔-supplies anterior wall, ant 2/3 septum, post/inf LBB, bundle of his; RBB, LV apex




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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


Cx artery - ANSWER✔✔-supplies SA node (45%), AV node (10%), inferior LV, lateral LV wall, LA, post/inf

LBB


tertiary left main - ANSWER✔✔-3 vessels of equal diameter between LAD and Cx; supplies large area of

LV b/t LAD and Cx arteries; usually subepicardial; may give pt a perfusion advantage


RCA - ANSWER✔✔-supplies SA node (55%), AV node (90%), bundle of his, RA and RV, inferior LV, post.

1/3 of septum, post/inf division of left bundle


RCA - ANSWER✔✔-coronary artery that arises from aorta and courses AV groove; bifurcates at junction

of RA and LA


lead I - ANSWER✔✔-lead that looks at Cx artery from left arm to right arm


lead II - ANSWER✔✔-lead that looks at RCA from left leg to right arm


lead III - ANSWER✔✔-lead that looks at RCA from left leg to left arm


V1 and V2 - ANSWER✔✔-EKG leads that look at LAD at the septum


V3 and V4 - ANSWER✔✔-leads that look at LAD at the anterior wall


V5 and V6 - ANSWER✔✔-leads that look at the Cx artery at LV lateral wall


Left main - ANSWER✔✔-60% of patients with ____________ lesions also have lessons of other coronary

arteries, commonly triple vessel disease.


70% - ANSWER✔✔-ischemia-induced VT is caused by ___% stenosis of a major non-left main coronary

artery.


left main - ANSWER✔✔-aka the Widowmaker



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