16. A 62-year-old man comes to the emergency department because of chest pain. Cardiac catheterization shows blockage of the circumflex branch of the left coronaryartery. The occlusion of this vessel most likely damaged which of the following areas of the heart?A) Anterior wall of left ventricleB) Inferior wall of left ventricleC) Interventricular septumD) Lateral wall of left ventricleE) Right ventricle

The two main coronary arteries are the right coronary artery (RCA) and the left main coronary artery…

Answered: 16 A 62-year-old man comes to the…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter9: Cardiac Physiology

Section9.1: Anatomy Of The Heart

Problem 2CYU

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1. In a healthy heart, which of the following statements is TRUE?A) Depolarization of the interventricular septum occurs from right to left.B)The right ventricle depolarizes before the left ventricle.C) The wave of depolarization passes more quickly through the AV node than the Purkinje fibers.D) The QRS complex is predominantly upright in Leads I and II. E) The mean electrical axis is generally between +100 and +150 degrees. 2. Which of the following is most likely to be present on the resting EKG recording of a patient with AV node damage?A) An R-R interval of 0.52 seconds at rest.B) A P-R interval of 0.28 seconds at rest.C)An inverted T waveD) Normal sinus rhythm
Which heart activity correlated with the hi-lighted portion of the EKG in this image? A)ventricle depolarization B) repolarization C) right heart depolarization D) atrial depolarization

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