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

1.1 Multiple Choice Questions VB VB




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


D) watermelon.
Answer: C V B


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. VB


D) tricuspid valve VB


. 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. VB


B) papillary muscle. VB


C) septum.
D) pulmonic valve VB


. Answer: C
VB V B


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 hear
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t. Answer: C
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LO: 1.1: State the location of the heart and its normal size.
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5) Pericardial fluid VB


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.
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D) lubricates the electrical system of the he
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art. Answer: A
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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.
Answer: C
VB V B


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.
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
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attack. Answer: D
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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
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cava. Answer: D
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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 VB


B) Right ventricle VB


C) Left atrium VB


D) Left ventricl VB


e 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
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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 signa
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ls. Answer: C
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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. VB


B) pulmonic valve. VB


C) aortic valve. VB


D) tricuspid valve VB


. 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. VB


B) tricuspid valve. VB


C) mitral valve. VB


D) pulmonic valve VB


. Answer: D
VB V B


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 VB VB VB


B) Aortic and mitral valves
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C) Mitral and pulmonic valves
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D) Aortic and pulmonic valve
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s Answer: A
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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 VB VB


B) Tricuspid and pulmonic VB VB


C) Tricuspid and mitral VB VB


D) Aortic and pulmoni VB VB


c Answer: C
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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 VB VB


B) Tricuspid and pulmonic VB VB


C) Tricuspid and mitral VB VB


D) Aortic and pulmoni VB VB


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