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Worksheets8.1 Mammalian heart DB024
Total questions: 15
Worksheet time: 21mins
Name
Class
Date
1.
Which of the following are chambers of the heart?
a)
Valves
b)
Atrium and ventricle
c)
Arteries and veins
d)
Sinoatrial nerve
2.
The heart pumps blood to get ________ to our cells.
a)
carbon dioxide
b)
warlocks
c)
oxygen
3.
What is the strongest (thickest) part of the heart?
a)
right atrium
b)
right ventricle
c)
left ventricle
d)
left atrium
4.
Pulmonary Artery
a)
carries oxygenated blood to atrium
b)
carries deoxygenated blood to lungs
c)
carries oxygenated blood to lungs
d)
none of the above
5.
Name this part.
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
6.
The pacemaker of the heart is also known as the....
a)
AV node
b)
SA node
c)
Purkinje fibres
d)
Bundle of His
7.
The emptying of the atria is controlled by the:
a)
SA node
b)
AV node
c)
Purkinje fibres
d)
Bundle of His
8.
What fibres allow the ventricles to contract?
a)
SA
b)
AV
c)
Purkinje
d)
Bundle of His
9.
Pulmonary circulation involves blood flow to and from the heart and the _______.
a)
body
b)
digestive organs
c)
brain
d)
lungs
10.
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
a)
right ventricle to right atrium
b)
left ventricle to left atrium
c)
left atrium to the right atrium
d)
right atrium to the left atrium
11.
The sinoatrial node is located in the ________.
a)
aorta
b)
right atrium
c)
left atrium
d)
right ventricle
12.
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
a)
AV node, Bundle of His, SA node, Purkinje fibers, bundle branches
b)
SA node, AV node, Bundle of His, bundle branches, Purkinje fibers
c)
SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
d)
SA node, Bundle of His, bundle branches, Purkinje fibers, AV node
13.
Which label is representing the Purkinje fibers?
a)
A
b)
C
c)
D
d)
E
14.
What area of the heart is responsible for the delay of conduction between the atrium and ventricles?
a)
Right bundle branch
b)
AV node
c)
Bundle of his
d)
Bachmann bundle
15.
The heart is
a)
A double pump
b)
Myogenic
c)
Generates its own electrical pulse
d)
All of the above
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