test 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| heart | 250-300 grams; located in the center of the thorax; all vessels, nerves, etc enter and leave the base (superior end)
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| mediastinum | the heart, esophogus, and descending aorta
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| outer layer of heart | epicardium, myocardium
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| inner layer of heart | endocardium
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| myocardium | cardiac muscle; intercalted discs; allow ions to jump from myocyte to myocyte
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| pericardium | double layer; surrounds the heart
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| serous pericardium | deep to the fibrous pericardium; visceral layer & parietal layer
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| visceral layer | deep to the parietal layer; epicardium
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| parietal layer | superficial to the visceral layer; attached to structures around it
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| pericardial cavity | phospholipid lubricant to reduce friction around the heart
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| fibrous pericardium | superficial to the serous pericardium
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| pressure gradient | blood moves from high pressure to low pressure; only thing that moves blood
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| valves of the heart | right atrioentricular valve; left atrioventricular valve; pulmonary valve; aortic valve; make sure blood flows in one direction
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| systole | contraction of the heart
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| diastole | relaxation of the heart
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| cardiac cycle | one systole and one diastole
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| heart rate | number of cardiac cycles per minute
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| stroke volume | volume of blood ejected from a ventricle during a single systole; usually referring to the left ventricle
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| cardiac output | volume of blood pumped by ventricle in one minute
= (heart rate)(stroke volume)
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| cardiac index | volume of blood pumped by a ventricle per minute per square meter of body surface
= cardiac output/sq m of body surface
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
shill14
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