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Pre-Test
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1
External cardiac defibrillators are used for
A)high blood pressure
B)myocardial infarction
C)sudden cardiac arrest
D)high cholesterol
2
The visceral pericardium is also known as the
A)epicardium
B)myocardium
C)endocardium
D)fibrous pericardium
3
The uppermost or most superior part of the heart is the
A)septum
B)apex
C)base
D)great vessels
4
The thickest layer of the wall of the heart is the
A)myocardium
B)epicardium
C)ectocardium
D)endocardium
5
Purkinje fibers are located in the
A)walls of the right and left atria
B)interventricular septum and ventricles
C)walls of the left atrium and ventricle
D)interatrial septum
6
The tricuspid valve is located
A)between the left atrium and left ventricle
B)between the right atrium and right ventricle
C)between the right ventricle and the pulmonary artery
D)between the left ventricle and the aorta
7
The right atrium receives blood from the
A)inferior and superior venae cavae
B)pulmonary veins
C)pulmonary artery
D)aorta
8
The valve between the chambers of the left side of the heart is the
A)semilunar valve
B)mitral (bicuspid valve)
C)aortic valve
D)tricuspid valve
9
Cardiac pain is due to
A)prolonged contraction of cardiac muscle
B)interruption of blood supply to cardiac muscle
C)damaged heart valves
D)inflammation of heart muscle and valves
10
Which of the following correctly describes the events of the cardiac cycle?
A)the right atrium and ventricle contract and relax, then the left atrium and ventricles contract and relax
B)contraction of the chambers of the left side of the heart, contraction of the chambers of the right, relaxation of the left, relaxation of the right
C)both atria contract and both ventricles relax; then both ventricles contract and both atria relax
D)both atria contract and both ventricles contract; then both atria contract and both atria relax





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