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16 Cards in this Set
- Front
- Back
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3 blood pathways through the heart
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pulmonary circulation - systemic circulation - coronary circulation
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average systemic blood pressure is
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120/80 mm Hg
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average pulmonary blood pressure is
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30/10 mm Hg
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what supplies blood to the heart itself
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left & right coronary arteries
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both coronary arteries arise from the base of the ____ & encircle the heart in the ____ ____ (aka ____ ____)
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aorta - atrioventricular groove (coronary sulcus)
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coronary circulation is effective when …
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the heart is not contracting
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the nodes are the ____
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pacemakers
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the sinoatrial nodal artery & atrioventricular nodal artery are supplied by
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right coronary artery
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the ____ nodal artery & ____ nodal artery are supplied by the right coronary artery
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sinoatrial (SA) - atrioventricular (AV)
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the marginal artery supplies …
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the right side of the right ventricle
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the posterior interventricular artery supplies the posterior
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right ventricle
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4 branches of the right coronary artery
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marginal artery - posterior interventricular artery - sinoatrial nodal artery - atrialventricular nodal artery
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2 branches of the left coronary artery
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anterior interventrcular artery - circumflex artery
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coronary vein take deoxygenated blood coming from the ____ ____ into the ____ -___
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heart muscle - coronary sinus
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the coronary sinus dumps the blood from the heart muscle into the ____ ____
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right atrium
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4 coronary veins
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small cardiac - middle cardiac - great cardiac - anterior
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