WorksheetsCardiac Cycle and Conduction
Total questions: 17
Worksheet time: 34mins
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 cluster of cells that are autorhythmic, send the signal down the bundle branches and have a bpm of 20-40?
a)
A
b)
B
c)
C
d)
D
e)
E
4.
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
5.
What part of the heart is number 10?
(a)
6.
What number is representing the aorta?
a)
1
b)
2
c)
3
d)
4
e)
8
7.
Where does blood go after it leaves number 9?
(a)
8.
All of the following occur when the ventricles contract except
a)
the AV valves close
b)
blood is ejected into the aorta
c)
the semilunar valves open
d)
blood from the pulmonary trunk enters the atria
9.
During atrial contraction and ventricular filling,
a)
the AV valves are open
b)
the semilunar valves are open
c)
the ventricles are contracted
d)
the atria are relaxed
10.
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
11.
What is the sequence of events in the transmission of an impulse through the heart muscle?
a: AV node
b: AV bundle
c: SA node
d: Through the atria
e: Through the ventricles
f: Bundle branches
g: Purkinje fibers
a: AV node
b: AV bundle
c: SA node
d: Through the atria
e: Through the ventricles
f: Bundle branches
g: Purkinje fibers
a)
d, b, a, c, f, g, e
b)
c, d, a, b, f, g, e
c)
b, a, d, c, f, g, e
d)
f, g, d, c, b, a, e
12.
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
13.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
14.
The emptying of the atria (contraction) is controlled by the:
a)
SA node
b)
AV node
c)
Purkinje fibres
d)
Bundle of His
15.
The AV node is located at...
a)
A
b)
B
c)
C
d)
D
16.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
17.
Why are the walls of the left ventricle thicker than that of the right ventricle?
a)
The left ventricle must force blood into all the capillaries of the lungs
b)
the left ventricle doesn't skip leg day
c)
This is false, the walls of the right ventricle are thicker
d)
Blood from the left ventricle is pumped throught the entire body
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