Test bank for ECGs Made Easy 6th Edition by Barbara J Aehlert All Chapters ||Complete A+ Guide

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ECGs MADE EASY
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6TH EDITION | AEHLERT
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TEST BANK x ss ss x ss ss

,ECGs Made Easy 6th Edition by Barbara Aehlert Test Bank
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Table of Contents:
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Chapter 1. Anatomy & Physiology
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Chapter 2. Basic Electrophysiology
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Chapter 3. Sinus Mechanisms
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Chapter 4. Atrial Rhythms
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Chapter 5. Junctional Rhythms
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Chapter 6. Ventricular Rhythms
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Chapter 7. Atrioventricular Blocks
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Chapter 8. Pacemaker Rhythms
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Chapter 9. Introduction to the 12-Lead ECG
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Chapter 10. Post-Test
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,Chapter 01: Anatomy and
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Physiology Aehlert: ECGs Made
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Easy, 6th Edition
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MULTIPLE s s CHOICE

1. The s s apex s s of s s the s s heart s s is s s formed ss by ssthe .
a. tip s s of s s the s s left s s ventricle
b. tip s s of s s the s s right s s atrium
c. right s s atrium s s and s s right s s ventricle
d. left s s atrium s s and s s left s s ventricle
ANS: s s A
The s s heart’s s s apex, s s or s s lower s s portion, s s is s s formed s s by ssthe s s tip s s of s s the s s left s s ventricle.
ssThe s s apex s s lies ssjust s s above s s the s s diaphragm, s s between s s the s s fifth s s and s s sixth s s ribs,

s s in s s the s s midclavicular s s line.




OBJ: Identify ssthe s s surfaces s s of s s the s s heart.

2. The s s left s s atrium s s receives s s blood s s from s s the .
a. pulmonary s s veins
b. aorta
c. pulmonary s s arteries
d. inferior s s vena s s cava
ANS: s s A
The s s left s s atrium s s receives s s freshly ssoxygenated s s blood s s from s s the s s lungs s s via s s the s s right s s and
s s left sspulmonary s s veins.




OBJ: Identify ssand s s describe s s the s s chambers s s of s s the s s heart s s and s s the s s vessels s s that s s enter s s or
s s leave s s each.




3. The s s anterior s s surface s s of s s the s s heart s s consists s s primarily s s of s s the .
a. left s s atrium
b. right s s atrium
c. left ss ventricle
d. right s s ventricle
ANS: s s D
The s s front s s (anterior) s s surface s s of s s the s s heart s s lies s s behind s s the s s sternum s s and s s costal
s s cartilages. s s It s s is ssformed s s by s s portions s s of s s the s s right s s atrium s s and s s the s s left s s and

s s right s s ventricles. s s However, s s because s s the s s heart s s is s s tilted s s slightly s s toward s s the

s s left s s in s s the s s chest, s s the s s right s s ventricle s s is s s the ssarea s s of s s the s s heart s s that s s lies

s s most s s directly s s behind s s the s s sternum.




OBJ: Identify ssthe s s surfaces s s of s s the s s heart.

4. Blood s s pressure s s is s s determined s s by multiplied s s by .
a. stroke s s volume; s s heart s s rate
b. heart s s rate; s s cardiac s s output
c. cardiac s s output; s s peripheral s s vascular s s resistance
d. stroke s s volume; s s peripheral s s vascular s s resistance
ANS: s s C
Blood s s pressure s s is s s equal s s to s s cardiac s s output s s multiplied s s by ssperipheral s s vascular

, ss resistance.