TEST BANK FOR EKG Plain and Simple 4th Edition by Karen Ellis ISBN:978-0134525051 COMPLETE GUIDE ALL CHAPTERS COVERED 100% VERIFIED A+ GRADE ASSURED!!!!!NEW LATEST UPDATE!!!!!GUARANTEED PASS

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,EKG Plain and Simple, 4e (Ellis)
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Chapter 1 Cardiac Anatomy and Physiology
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1.1 Multiple Choice Questions ap ap




1) The normal heart is the size of a
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A) foot.
B) cherry.
C) man's fist. ap



D) watermelon.
Answer: C a p



LO: 1.1: State the location of the heart and its normal size.
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2) The top of the heart where the great vessels emerge is the
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A) apex.
B) base.
C) chordae tendonae. ap



D) tricuspid valve. ap a



Answer: B
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LO: 1.1: State the location of the heart and its normal size.
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3) The fibrous tissue that divides the heart into right and left sides is the
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A) chordae tendonae. ap



B) papillary muscle. ap



C) septum.
D) pulmonic valve. ap a



Answer: C
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LO: 1.3: Name all the structures of the heart.
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4) The apex of the heart is located at the
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A) top of the heart, where the great vessels emerge.
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B) right side of the heart.
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C) bottom of the heart, at the leftmost tip.
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D) back wall of the heart.
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Answer: C a p



LO: 1.1: State the location of the heart and its normal size.
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5) Pericardial fluid ap



A) decreases friction of the pericardial layers as they rub against each other.
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B) prevents backflow of blood from one chamber to the other.
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C) circulates through the heart's chambers. ap ap ap ap



D) lubricates the electrical system of the heart.ap ap ap ap ap ap ap



Answer: A a p



LO: 1.2: Name the walls and layers of the heart.
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,6) The innermost layer of the heart is the
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A) epicardium.
B) pericardium.
C) endocardium.
D) myocardium. a



Answer: C
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LO: 1.2: Name the walls and layers of the heart.
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7) The layer of the heart that is damaged during a heart attack is the
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A) epicardium.
B) pericardium.
C) endocardium.
D) myocardium. a



Answer: D
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LO: 1.2: Name the walls and layers of the heart.
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8) Which of these statements about the pericardium is NOT true?
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A) It anchors the heart to the diaphragm and great vessels.
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B) It is a two-layer sac enclosing the heart.
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C) It serves as protection for the heart.
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D) It is the wall of the heart that is damaged in a heart attack.
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Answer: D a p



LO: 1.2: Name the walls and layers of the heart.
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9) Which of the following statements about the right atrium is TRUE?
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A) It is a receiving chamber for oxygenated blood returning from the lungs.
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B) It is the major pumping chamber of the heart.
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C) It is about 100% saturated with oxygen.
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D) It is the receiving chamber for deoxygenated blood coming from the vena cava.
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Answer: D a p



LO: 1.3: Name all the structures of the heart.
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10) Which heart chamber delivers oxygenated blood to the entire body?
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A) Right atrium ap



B) Right ventricle ap



C) Left atrium ap



D) Left ventricle ap a



Answer: D
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LO: 1.5: State the oxygen saturation of the heart's chambers.
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11) The heart's valves open and close in response to changes in
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A) oxygenation.
B) sodium and potassium concentration.
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C) pressure.
D) the heart's pacemaker.
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Answer: C a p



LO: 1.6: Describe the function and location of the heart valves.
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, 12) Heart valves serve what purpose?
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A) They prevent blood from flowing forward.
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B) They prevent oxygenated blood from flowing through the coronary arteries.
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C) They prevent backflow of blood.
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D) They control the heart's electrical signals.
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Answer: C a p



LO: 1.6: Describe the function and location of the heart valves.
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13) The valve that separates the right atrium and right ventricle is the
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A) mitral valve. ap



B) pulmonic valve. ap



C) aortic valve.ap



D) tricuspid valve. ap a



Answer: D
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LO: 1.6: Describe the function and location of the heart valves.
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14) The heart valve found at the opening of the pulmonary artery is the
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A) aortic valve. ap



B) tricuspid valve. ap



C) mitral valve. ap



D) pulmonic valve. ap a



Answer: D
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LO: 1.6: Describe the function and location of the heart valves.
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15) Which of the following are both AV valves?
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A) Tricuspid and mitral valves ap ap ap



B) Aortic and mitral valves
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C) Mitral and pulmonic valves
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D) Aortic and pulmonic valves
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Answer: A a p



LO: 1.6: Describe the function and location of the heart valves.
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16) The first heart sound (S1) is associated with closure of which heart valves?
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A) Mitral and aortic ap ap



B) Tricuspid and pulmonic ap ap



C) Tricuspid and mitral ap ap



D) Aortic and pulmonic ap ap ap



Answer: C a p



LO: 1.7: Describe the relationship of the valves to heart sounds.
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17) The second heart sound (S2) is associated with closure of which heart valves?
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A) Mitral and aortic ap ap



B) Tricuspid and pulmonic ap ap



C) Tricuspid and mitral ap ap



D) Aortic and pulmonic ap ap ap



Answer: D a p



LO: 1.7: Describe the relationship of the valves to heart sounds.
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