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Pre-Lab Questions
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1
The ________ is the inferior end of the heart that is bluntly pointed.
A)base
B)apex
C)auricle
D)sulcus
2
Oxygen-rich blood is located in the
A)left-side chambers.
B)right-side chambers.
C)superior chambers.
D)inferior chambers.
3
The two superior heart chambers are the
A)left atrium and left ventricle.
B)right atrium and right ventricle.
C)atria.
D)ventricles.
4
Which of the following is an atrioventricular (AV) valve?
A)aortic
B)pulmonary
C)semilunar
D)mitral
5
The _______ lines the heart chambers.
A)endocardium
B)fibrous pericardium
C)serous pericardium
D)epicardium
6
Which heart valve has two cusps instead of three cusps?
A)aortic
B)mitral
C)tricuspid
D)pulmonary
7
Chordae tendineae connect the cusps of the AV valves to papillary muscles of the ventricles.
A)True
B)False
8
The systemic circuit delivers blood to the lungs and back to the heart.
A)True
B)False
9
The right and left coronary arteries containing oxygen-rich blood originate from the base of the aorta.
A)True
B)False





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