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Worksheets10L4 Cardiovascular System: Cardiac Cycle
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
The volume of blood ejected each time a Ventricle contracts is known as?
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
2.
Which part of the heart is this?
a)
Aorta
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
3.
The Vagus nerve stimulates the SA Node to speed up the heart beat - True or False
a)
TRUE
b)
FALSE
4.
The Sympathetic Nervous system is part of the Autonomic Nervous System and does what?
a)
Increases HR during exercise
b)
Decreases HR during recovery
5.
When blood leaves this chamber of the heart, it heads to the lungs
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
6.
This chamber of the heart receives oxygenated blood from the lungs
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
7.
These are the smallest blood vessels with the thinnest walls in order to maximize diffusion of nutrients in and out of the interstitial fluid
a)
arteries
b)
veins
c)
capillaries
d)
aorta
8.
Which of the following is FALSE about pacemaker cells?
a)
They allow the heart to beat on its own
b)
They create their own electrical impulses
c)
They are part of the sinoatrial node and the atrioventricular node
d)
They require depolarizing stimulation from the brain
9.
How many valves does the heart have ?
a)
7
b)
4
c)
3
d)
2
10.
How many chambers does the heart have ?
a)
4
b)
6
c)
3
d)
1
11.
Blood enters the right atrium through
a)
pulmonary veins
b)
vena cavaes
c)
pulmonary arteries
d)
aorta
12.
What creates the "lub dub" heart sounds?
a)
Flow of blood
b)
Closing of valves
c)
Opening of valves
d)
Breathing
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