TEST BDANK FOR ECGs Made Easy, 7th Edition by Barbara J Aehlert ISBN: 9780323832939 COMPLETE GUIDE ALL CHAPTERS COVERED 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!!

Test bank for ECGs Made Easy 7t
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h Edition by Barbara J Aehlert Ch
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apters 1 - 10 1a 1a 1a

,ECGs Made Easy 7th 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, 7th Edition
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MULTIPLE CHOICE 1a




1. The apex of the heart is formed by the
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a. tip of the left ventricle1a 1a 1a 1a



b. tip of the right atrium 1a 1a 1a 1a



c. right atrium and right ventricle 1a 1a 1a 1a



d. left atrium and left ventricle1a 1a 1a 1a




ANSWER: A 1a



The heart’s apex, or lower portion, is formed by the tip of the left ventricle. The apex lies just ab
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ove the diaphragm, between the fifth and sixth ribs, in the midclavicular line.
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OBJ: Identify the surfaces of the heart.
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2. The left atrium receives blood from the
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a. pulmonary veins 1a



b. aorta
c. pulmonary arteries 1a



d. inferior vena cava 1a 1a




ANSWER: A 1a



The left atrium receives freshly oxygenated blood from the lungs via the right and left pulmona
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ry veins.
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OBJ: 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 1a



b. right atrium 1a



c. left ventricle 1a



d. right ventricle 1a




ANSWER: D 1a



The front (anterior) surface of the heart lies behind the sternum and costal cartilages. It is form
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ed by portions of the right atrium and the left and right ventricles. However, because the heart
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is tilted slightly toward the left in the chest, the right ventricle is the area of the heart that lies m
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ost directly behind the sternum.
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OBJ: Identify the surfaces of the heart.
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4. Blood pressure is determined by
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a. stroke volume; heart rate 1a 1a 1a



b. heart rate; cardiac output 1a 1a 1a



c. cardiac output; peripheral vascular resistance 1a 1a 1a 1a



d. stroke volume; peripheral vascular resistance 1a 1a 1a 1a




ANSWER: C 1a



Blood pressure is equal to cardiac output multiplied by peripheral vascular resistance.
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, OBJ: 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
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, from the remainder of the body via the 1a 1a 1a 1a 1a 1a 1a 1a



, and from the heart via the . 1a 1a 1a 1a 1a 1a



a. coronary sinus; superior vena cava; inferior vena cava 1a 1a 1a 1a 1a 1a 1a



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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ANSWER: D 1a



The right atrium receives blood low in oxygen from the superior vena cava, which carries bl
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ood from the head and upper extremities; the inferior vena cava, which carries blood from the
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lower body; and the coronary sinus, which is the largest vein that drains the heart.
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OBJ: 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
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a. two; four 1a



b. three; two 1a



c. four; two 1a



d. four; three 1a




ANSWER: C 1a



The heart has four chambers: two atria and two ventricles. The right and left sides of the heart ar
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e separated by an internal wall of connective tissue called a septum. The interatrial septum sep
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arates the right and left atria. The interventricular septum separates the right and left ventricles
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. The septa separate the heart into two functional pumps. The right atrium and right ventricle
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make up one pump. The left atrium and left ventricle make up the other.
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OBJ: 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 1a 1a 1a 1a 1a .
a. increased heart rate 1a 1a



b. peripheral vasoconstriction 1a



c. constriction of bronchial smooth muscle 1a 1a 1a 1a



d. increased force of myocardial contraction 1a 1a 1a 1a




ANSWER: B 1a



Alpha1 receptors are found in the eyes, blood vessels, bladder, and male reproductive organs. Stimu
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lation of alpha1 receptor sites results in constriction.
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OBJ: Compare and contrast the effects of sympathetic and parasympathetic stimulation of the 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
ANSWER: B 1a



The job of the right side of the heart is to pump unoxygenated blood to and through the lungs t
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o the left side of the heart. This is called the pulmonary circulation. The right side of the heart is
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a low-pressure system.
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