Test Bank for EKG Plain and Simple 4th Edition by Karen Ellis

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EKG PLAIN AND SIMPLE
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4th Edition




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Karen Ellis
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EKG Plain and Simple, 4e (Ellis)
Chapter 1 Cardiac Anatomy and Physiology

1.1 Multiple Choice Questions

1) The normal heart is the size of a
A) foot.
B) cherry.




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C) man's fist.
D) watermelon.




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Answer: C
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.



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C) chordae tendonae.
D) tricuspid valve. N
Answer: B
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.
B) papillary muscle.
C) septum.
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D) pulmonic valve.
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
A) top of the heart, where the great vessels emerge.
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B) right side of the heart.
C) bottom of the heart, at the leftmost tip.
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D) back wall of the heart.
Answer: C
LO: 1.1: State the location of the heart and its normal size.

5) Pericardial fluid
A) decreases friction of the pericardial layers as they rub against each other.
B) prevents backflow of blood from one chamber to the other.
C) circulates through the heart's chambers.
D) lubricates the electrical system of the heart.
Answer: A
LO: 1.2: Name the walls and layers of the heart.


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

7) The layer of the heart that is damaged during a heart attack is the




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A) epicardium.
B) pericardium.




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C) endocardium.
D) myocardium.




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Answer: D
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.
B) It is a two-layer sac enclosing the heart.
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.
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?
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.
D) It is the receiving chamber for deoxygenated blood coming from the vena cava.
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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?
A) Right atrium
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B) Right ventricle
C) Left atrium
D) Left ventricle
Answer: D
LO: 1.5: State the oxygen saturation of the heart's chambers.

11) The heart's valves open and close in response to changes in
A) oxygenation.
B) sodium and potassium concentration.
C) pressure.
D) the heart's pacemaker.
Answer: C
LO: 1.6: Describe the function and location of the heart valves.
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, 12) Heart valves serve what purpose?
A) They prevent blood from flowing forward.
B) They prevent oxygenated blood from flowing through the coronary arteries.
C) They prevent backflow of blood.
D) They control the heart's electrical signals.
Answer: C
LO: 1.6: Describe the function and location of the heart valves.

13) The valve that separates the right atrium and right ventricle is the




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A) mitral valve.
B) pulmonic valve.




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C) aortic valve.
D) tricuspid valve.




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Answer: D
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.
B) tricuspid valve.
C) mitral valve.
D) pulmonic valve.
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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?
A) Tricuspid and mitral valves
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B) Aortic and mitral valves
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C) Mitral and pulmonic valves
D) Aortic and pulmonic valves
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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?
A) Mitral and aortic
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B) Tricuspid and pulmonic
C) Tricuspid and mitral
D) Aortic and pulmonic
Answer: C
LO: 1.7: Describe the relationship of the valves to heart sounds.

17) The second heart sound (S2) is associated with closure of which heart valves?
A) Mitral and aortic
B) Tricuspid and pulmonic
C) Tricuspid and mitral
D) Aortic and pulmonic
Answer: D
LO: 1.7: Describe the relationship of the valves to heart sounds.
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