Studying the heart
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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| show | ENDOCARDIUM, MYOCARDIUM, EPICARDIUM
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| show | most inner layer. lined with valves and blood vessels. smooth & shiny, lets blood flow over it easy.
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| ENDOCARDIUM | show 🗑
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| show | thin outer layer.
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| PERICARDIUM | show 🗑
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| 4 CHAMBERS OF THE HEART | show 🗑
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| show | thin walled cavity. receives unoxygenated blood from the superior & inferior vena cava.
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| SUPERIOR VENA CAVA | show 🗑
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| show | collects blood from the lower part of the body
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| show | receive unoxygenated blood from the right atrium. then pumps blood thru the pulmonary arteries to the lungs.
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| show | thin wall cavity that receives oxygenated blood from the lungs thru the 4 pulmonary veins
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| LEFT VENTRICLE | show 🗑
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| AORTA | show 🗑
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| VENTRICULAR HYPERTROPHY | show 🗑
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| show | right atrioventricular valve(AV), left atrioventricular valve(AV), pulmonic semilunar valve(right semilunar valve), aortic semilunar valve(left semilunar valve)
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| HEART VALVES PURPOSE | show 🗑
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| show | "the enterence valves" two located between the atria and the ventricles of each side of the heart.
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| show | located between right atrium and right ventricle and called the TRICUSPID VALVE.
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| show | located between left atrium and left ventricle. also, called the BICUSPID or MITRAL VALVE.
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| show | exit of blood from the ventricules
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| show | located between the right ventricle and the pulmonary artery. right ventricle relaxes, valve is closed. when right ventricle contracts blood from ventricle forces pulmonic valve open.
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| AORTIC SEMILUNAR VALVE(LEFT SEMILUNAR VALVE) | show 🗑
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| GREAT VESSELS | show 🗑
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| show | tough bands of connective tissue that connect AV valves to ventricles.
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| show | valves allows blood to leak back into the chamber from which it has just been pumped.
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| show | vibrations caused by the closure of the valves.(lubb dubb)
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| show | S3 & S4 are extra sounds heard by rapid flow of blood thru the ventricles and sounds like a gallop sound.
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| SHUNTS | show 🗑
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| CORONARY ARTERIES | show 🗑
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| ANGINA | show 🗑
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| show | collects blood that nourishes the heart. carries it to the coronary sinuses which empties blood into the right atrium.
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| ISCHEMIA(not enough oxygen) | show 🗑
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| MI (HEART ATTACK) MYOCARDIAL INFARCT | show 🗑
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| SINAATRIAL NODE(SA NODE) | show 🗑
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| "Pacemaker of the Heart" | show 🗑
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| show | any normal firing of the SA Node
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| show | is called action potiential or cardiac impulse
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| show | (SPECIAL CONDUCTION TISSUE LOCATED IN THE SEPTUM) SLOWING ALLOWSTIME FOR THE VENTRICLES TO FILL WITH BLOOD.
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| show | conducting fibers that rapidly spread electric signal thru out ventricles.
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| ELECTROCARDIOGRAM(ECG) | show 🗑
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| show | atrial depolarization(precedes and triggers contaction of the heart muscle)
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| P-R-INTERVAL | show 🗑
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| show | electrical event that triggers contraction of the heart.
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| show | contraction of the heart muscle-myocardium-pumps blood out of a chamber
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| show | relaxation of the heart muscle-blood fills a chamber.
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| DESCRIBE THE FUNCTION OF THE MYOCARDIUM | show 🗑
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| show | A. increases SA Node activity(increase heart rate) B. increases the speed of cardiac impulse C. increases the force of contraction.
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| show | A. decreases SA Node activity(heart rate). B. decreases the speed of the cardiac impulse.
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| MYOCARDIUM DEFRACTION | show 🗑
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| show | mimics vagel response(slows heart rate-digoxin)
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| VAGOLYTIC | show 🗑
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| CARDIAC OUTPUT | show 🗑
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| STROKE VOLUME | show 🗑
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| show | degree of stretch in the myocardial fibers
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| show | percentiage of blood that is pumped out of the ventricle with each heart beat
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| show | RESPITORY ISSUES
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Created by:
Pooh_bear_pa
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