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PT205 Quiz 2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
heart   the prime mover that propels blood throughout the body  
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apex   the pointed, inferior portion of the heart  
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endocardium   a thin, smooth layer of epithelial cells that lines the heart's interior  
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myocardium   the thickest layer of the heart that pumps blood through the vessels  
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epicardium   a serous membrane that forms the thin, outermost layer of the heart  
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pericardium   the sac that encloses the heart  
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right ventricle   pumps the venous blood received from the right atrium to the lungs  
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left atrium   receives blood high in oxygen content as it returns from the lungs via pulmonary veins  
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septum   separates the right and left sides of the heart  
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systole   active phase of the heart contraction  
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diastole   resting phase of the heart contraction  
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cardiac output   the volume of blood pumped by each ventricle in 1 minute  
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purkinje fibers   also called conduction myofibers  
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sinsus rhythm   a normal heart rhythm origination at the SA node  
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bradycardia   slow heart rate  
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tachycardia   fast heart rate  
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electrocardiograph   records electrical changes produced as the heart muscle contracts  
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Created by: pierce258
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