Test Bank – Basic Arrhythmias 9th Edition – Gail Walraven

TEST BANK FOR Basic Arrhythmias, 9th Edition by
Gail Walraven
Chapter 1 Electrophysiology
l) The inherent rate of the SA node is bpm.
A) 30-60
B) 40-60
C) 60-100
D) 100-120
Answer: C
Learning Obj.: 1.3

2) The inherent rate of the AV junction is bpm.
A) 20—40
B) 40-60
C) 60-100
D) 100-120
Answer: B
Learning Obj.: 1.3

3) The inherent rate of the ventricle is bpm.

B) 40-60
C) 60-100
D) 100-120
Answer: A
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
B) heart
C) escape
D) inherent
Answer: D
Learning Obj.: 1.3

5) What term is used to refer to the process of electrical discharge and the flow of electrical
activity?
A) Repolarization
B) Depolarization
C) Polarization D) Polarized

,Answer: B
Learning Obj.: 1.2
6) If polarizing is considered the ready state, thenwould be considered the
recovery state.
A) discharge
B) polarization
C) repolarization D) depolarization
Answer: C
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
B) Bundle of His
C) AV junction D) SA node
Answer: B
Learning Obj.: 1.3

8) Part of the parasympathetic branch of the autonomic nervous system is the nerve.
A) vagus
B) coronary
C) aortic
D) pericardial
Answer: A
Learning Obj.: 1.4

9) When stimulated, thebranch of the nervous system increases heart rate, AV
conduction, and irritability.
A) parasympathetic
B) sympathetic
C) pacemaker D) inherent
Answer: B
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
D) Atrioventricular cells
Answer: C
1.1
I l) Which is the normal pacemaker of the heart?
A) SA node



Learning Obj.:

,B) AV node
C) AV junction D) Ventricle
Answer: A
Learning Obj.: 1.3

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
Answer: A
Learning Obj.: 1.1

13) What is the term for the fail-safe mechanism that allows a lower pacemaker to take over when
a higher site fails?
A) Polarization
B) frritability
C) AV conduction
D) Escape
Answer: D
Learning Obj.: 1.4

14) Which of the following best explains the mechanism called irritability?
A) The ventricles repolarize before they are ready.
B) The normal pacemaker slows down and gives up control. C) A lower
pacemaker site speeds up to take control of the heart.
D) The normal pacemaker changes its inherent rate.
Answer: C
Learning Obj.: 1.4

15) Which of the following does NOT happen when the sympathetic branch is stimulated?
A) Heart rate increases.
B) The heart becomes more irritable. C) Impulses go faster through
the AV node.
D) Ventricular conduction slows down.
D
1.4




Answer:
Learning Obj.:

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