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Pre Test Quiz
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1
When the heart beats, the familiar “lub-dub” sound occurs as the valves of the heart
A)contract.
B)expand.
C)open.
D)close.
2
Nodal tissue has __________ characteristics.
A)muscular and nervous
B)muscular and connective
C)connective and nervous
D)sensory and muscular
3
Which arteries are important in that they serve the heart muscle itself?
A)the pericardial arteries
B)the pulmonary arteries
C)the cardiac arteries
D)the coronary arteries
4
Red blood cells are destroyed chiefly in the
A)heart and lungs.
B)liver and spleen.
C)bone marrow.
D)kidney.
5
Blood brings __________ to the body cells.
A)wastes
B)carbon dioxide
C)amino acids and glucose
D)ATP





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