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WorksheetsHeart Electricity
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
What part of the electrical conduction system is labelled A?
a)
SA Node
b)
AV Node
c)
AV Bundle
d)
Bundle Branches
e)
Purkinje Fibers
2.
What part of the electrical conduction system is labelled D?
a)
SA Node
b)
AV Node
c)
AV Bundle
d)
Bundle Branches
e)
Purkinje Fibers
3.
Which letter is representing the Purkinje fibers which are the final area of signal transmission before the ventricles completely contract?
a)
A
b)
B
c)
C
d)
D
e)
E
4.
What number is representing the aorta?
a)
1
b)
2
c)
3
d)
4
e)
8
5.
What is the definition of the Cardiac Cycle?
a)
the contraction of the atria
b)
the sequence of events that occur during one complete heartbeat
c)
the contraction and relaxation of the ventricles
d)
the circulation of blood in the heart
6.
Order the phases an action potential travels in the conduction system
a)
SA node--> AV bundle branches--> AV node--> Purkinje fibers
b)
SA node--> AV node--> AV bundle branches--> Purkinje fibers
c)
Av bundle branches--> AV node--> SA node--> Purkinje fibers
d)
Purkinje fibers--> SA node--> AV node--> AV bundle branches
7.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
8.
The AV node is located at...
a)
A
b)
B
c)
C
d)
D
9.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
10.
Identify part numbers 3 and 5.
a)
3: right atrium; 5: aorta
b)
3: left atrium; 5: aorta
c)
3: right atrium; 5: pulmonary artery
d)
3: left atrium; 5: pulmonary artery
11.
This triggers contraction in the atria
a)
SA node
b)
AV node
c)
QT node
d)
AV Bundles
12.
This triggers contraction in the ventricle
a)
SA node
b)
AV node
c)
QT node
d)
AV Bundles
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