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TEST BANK
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Gail Walraven
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Comprehensive Test Bank for Instructors and
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Students
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© Gail Walraven
All rights reserved. Reproduction or distribution without permission is prohibited.
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©STUDYSTREAM
, Basic Arrhythmias, 8e (Walraven)
Chapter 1 Electrophysiology
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1) The inherent rate of the SA node is ________ bpm.
A) 30-60
B) 40-60
C) 60-100
D) 100-120
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Answer: C
Page Ref: 6
Learning Obj.: 1.3
2) The inherent rate of the AV junction is ________ bpm.
A) 20-40
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B) 40-60
C) 60-100
D) 100-120
Answer: B
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Page Ref: 6
Learning Obj.: 1.3
3) The inherent rate of the ventricle is ________ bpm.
A) 20-40
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B) 40-60
C) 60-100
D) 100-120
Answer: A
Page Ref: 6
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Learning Obj.: 1.3
4) The built-in rate of each of the three major areas of the conduction system is referred to as the
________ rate.
A) fast
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B) heart
C) escape
D) inherent
Answer: D
Page Ref: 6
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Learning Obj.: 1.3
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, 5) What term is used to refer to the process of electrical discharge and the flow of electrical
activity?
A) Repolarization
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B) Depolarization
C) Polarization
D) Polarized
Answer: B
Page Ref: 4
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Learning Obj.: 1.2
6) If polarizing is considered the ready state, then ________ would be considered the recovery
state.
A) discharge
B) polarization
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C) repolarization
D) depolarization
Answer: C
Page Ref: 4
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Learning Obj.: 1.2
7) After leaving the area of the AV node, impulses go through the ________ to reach the right
and left bundle branches.
A) Purkinje fibers
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B) Bundle of His
C) AV junction
D) SA node
Answer: B
Page Ref: 6
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Learning Obj.: 1.3
8) Part of the parasympathetic branch of the autonomic nervous system is the ________ nerve.
A) vagus
B) coronary
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C) aortic
D) pericardial
Answer: A
Page Ref: 10
Learning Obj.: 1.4
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Copyright © 2017 Pearson Education, Inc.
, 9) When stimulated, the ________ branch of the nervous system increases heart rate, AV
conduction, and irritability.
A) parasympathetic
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B) sympathetic
C) pacemaker
D) inherent
Answer: B
Page Ref: 9
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Learning Obj.: 1.4
10) Which cardiac cells are responsible for initiating and conducting pacemaker impulses?
A) Motor cells
B) Mechanical cells
C) Electrical cells
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D) Atrioventricular cells
Answer: C
Page Ref: 1
Learning Obj.: 1.1
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11) Which is the normal pacemaker of the heart?
A) SA node
B) AV node
C) AV junction
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D) Ventricle
Answer: A
Page Ref: 5
Learning Obj.: 1.3
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12) Which of the following is NOT a part of the normal cardiac conduction system?
A) Coronary sinus
B) AV node
C) Purkinje Fibers
D) Internodal pathways
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Answer: A
Page Ref: 5
Learning Obj.: 1.1
13) What is the term for the fail-safe mechanism that allows a lower pacemaker to take over
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when a higher site fails?
A) Polarization
B) Irritability
C) AV conduction
D) Escape
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Answer: D
Page Ref: 7
Learning Obj.: 1.4
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Copyright © 2017 Pearson Education, Inc.