Exam (elaborations)
Test Bank for ECGs Made Easy 6th Edition by Barbara J Aehlert 9780323401302 Chapters 1-10 Complete Guide.
Test Bank for ECGs Made Easy 6th Edition by Barbara J Aehlert 9780323401302 Chapters 1-10 Complete Guide.
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TESTBANK xECGs MADE EASY
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6TH EDITION | AEHLERT
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TEST BANK x x
,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 Physiology
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Aehlert: ECGs Made Easy, 6th
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Edition
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MULTIPLE CHOICE xx
1. The apex of the heart is formed by the
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a. tip of the left ventricle
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b. tip of the right atrium
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c. right atrium and right ventricle
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d. left atrium and left ventricle
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ANS: A xx
The heart’s apex, or lower portion, is formed by the tip of the left ventricle. The apex lies
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just above the diaphragm, between the fifth and sixth ribs, in the midclavicular line.
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OBJ: x x Identify the surfaces of the heart. xx xx xx xx xx
2. The left atrium receives blood from the
xx xx xx xx xx xx .
a. pulmonary veins xx
b. aorta
c. pulmonary arteries xx
d. inferior vena cava xx xx
ANS: A xx
The left atrium receives freshly oxygenated blood from the lungs via the right and left
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pulmonary veins.
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OBJ: x x Identify and describe the chambers of the heart and the vessels that enter or leave each.
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3. The anterior surface of the heart consists primarily of the
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a. left atrium xx
b. right atrium xx
c. left ventricle xx
d. right ventricle xx
ANS: D xx
The front (anterior) surface of the heart lies behind the sternum and costal cartilages. It is
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formed by portions of the right atrium and the left and right ventricles. However,
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because the heart is tilted slightly toward the left in the chest, the right ventricle is the
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area of the heart that lies most directly behind the sternum.
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OBJ: x x Identify the surfaces of the heart. xx xx xx xx xx
4. Blood pressure is determined by
xx multiplied by xx xx xx xx .
a. stroke volume; heart rate xx xx xx
b. heart rate; cardiac output
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c. cardiac output; peripheral vascular resistance
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d. stroke volume; peripheral vascular resistance
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ANS: C xx
Blood pressure is equal to cardiac output multiplied by peripheral vascular resistance.
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, OBJ: x x Identify and explain the components of blood pressure and cardiac output.
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5. The right atrium receives venous blood from the head, neck, and thorax via the , from
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the remainder of the body via the , and from the heart via the
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a. coronary sinus; superior vena cava; inferior vena cava
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b. superior vena cava; coronary sinus; inferior vena cava
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c. inferior vena cava; superior vena cava; coronary sinus
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d. superior vena cava; inferior vena cava; coronary sinus
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ANS: D xx
The right atrium receives blood low in oxygen from the superior vena cava, which
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carries blood from the head and upper extremities; the inferior vena cava, which carries
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blood from the lower body; and the coronary sinus, which is the largest vein that
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drains the heart.
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OBJ: x x Identify and describe the chambers of the heart and the vessels that enter or leave each.
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6. The heart is divided into
xx xx xx xx chambers but functions as a xx xx xx xx -sided pump. xx
a. two; four xx
b. three; two xx
c. four; two xx
d. four; three xx
ANS: C xx
The heart has four chambers: two atria and two ventricles. The right and left sides of the
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heart are separated by an internal wall of connective tissue called a septum. The
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interatrial septum separates the right and left atria. The interventricular septum separates
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the right and left ventricles. The septa separate the heart into two functional pumps. The
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right atrium and right ventricle make up one pump. The left atrium and left ventricle
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make up the other.
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OBJ: x x Identify and describe the chambers of the heart and the vessels that enter or leave each.
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7. Stimulation of alpha1 receptors results in .xx xx xx xx xx
a. increased heart rate xx xx
b. peripheral vasoconstriction xx
c. constriction of bronchial smooth muscle xx xx xx xx
d. increased force of myocardial contraction xx xx xx xx
ANS: B xx
Alpha1 receptors are found in the eyes, blood vessels, bladder, and male reproductive
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organs. Stimulation of alpha1 receptor sites results in constriction.
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OBJ: Compare and contrast the effects of sympathetic and parasympathetic stimulation of the
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heart.
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8. Which side of the heart is a low-pressure system that pumps venous blood to the lungs?
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a. Left
b. Right
ANS: B xx
The job of the right side of the heart is to pump unoxygenated blood to and through
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the lungs to the left side of the heart. This is called the pulmonary circulation. The right
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side of the heart is a low-pressure system.
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