Term
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Definition
| where cells connect to each other; helps all cells work together instead of individually |
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Term
| veins move blood ______ from heart |
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Definition
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Term
| arteries move blood ______ from heart |
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Definition
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Term
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Definition
| amount of blood that the heart pumps out |
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Term
| what happens when cardiac output is low? |
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Definition
|
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Term
| what happens when cardiac output is high? |
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Definition
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Term
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Definition
| allows blood from the umbilical vein to bypass fetal liver by dumping into vena cava |
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Term
| what is the foramen ovale? |
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Definition
| hole in fetuses between the two atria |
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Term
| what is the ductus arteriosus? |
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Definition
| allows the blood in the heart to move directly from the pulmonary artery to the aorta; fetuses don't use lungs until they're born so no need to oxygenate the blood |
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Term
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Definition
| bicuspid valve between the left atrium and ventricle |
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Term
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Definition
| valve between the right atrium and ventricle |
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Term
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Definition
| valve between the left ventricle and the pulmonary artery |
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Term
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Definition
| valve between the right ventricle and the aorta |
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Term
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Definition
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Term
| What effect does valve stenosis have on blood flow? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| what happens to K, Na, and Ca during depolarization? |
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Definition
K = moves out
Na & Ca = move in |
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Term
| what happens to K, Na, and Ca during repolarization? |
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Definition
K = moves in
Na & Ca = move out |
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Term
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Definition
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Term
| what is the name for the "pacemaker"? |
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Definition
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Term
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Definition
| ventricles dialate/relax and fill with blood |
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Term
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Definition
| ventricles contract and push blood out |
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Term
| what is happening during the lub part of lub-dub? |
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Definition
| ventricles contract (systole); atria fill with blood |
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Term
| what is happening during the dub part of lub-dub? |
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Definition
| atria contract; ventricles fill with blood (diastole) |
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Term
| what causes heart murmurs? |
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Definition
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Term
| which arrhythmias can you use defibrillation on? |
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Definition
| ventricular tachycardia and fibrillation (v-tach and v-fib) |
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Term
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Definition
| heart chamber (usually the left ventricle) become too flaccid to squeeze blood effectively; left ventricle dilated = left sided heart failure |
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Term
| hypertrophic cardiomyopathy |
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Definition
| thickened myocardium (usually in left ventricle); can cause thromboembolism |
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Term
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Definition
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Term
| follow the path of a single blood cell through the heart beginning at the left ventricle (include valves) |
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Definition
1. left ventricle
2. aortic valve
3. aorta
4. body
5. cranial and caudal vena cava
6. right atrium
7. tricuspid valve
8. right ventricle
9. pulmonary valve
10. pulmonary artery
11. lungs
12. pulmonary veins
13. left atrium
14. mitral valve |
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