Ch23-Key_Terms

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Author:
tford7
ID:
102838
Filename:
Ch23-Key_Terms
Updated:
2011-09-19 18:21:06
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Ch23 Key Terms
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Ch23-Key_Terms
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  1. A standardized recording of the electrical activity of the heart and may be used to detect heart irregularities, lack of oxygen to parts of the heart, and enlargement of the chambers.
    12-lead electrocardiogram (ECG)
  2. The load that the ventricular muscle exerts when it is pushing its contents into the aorta
    amplification
  3. The end result of the process in the formation of the erythrocyte whereby one rubriblast can form 14 to 16 erythrocytes
    afterload
  4. Force exerted by the blood against the walls of the blood vessel to maintain tissue perfusion during rest and activity.
    blood pressure
  5. An area that is light-colored and contains the mostly white blood cells seen in a test tube that is centrifuged or allowed to stand.
    buffy coat
  6. The parts of the blood that are derived from the stem cell These include erythrocytes, granulocytes, platelets, B lymphocytes, and T lymphocytes
    cellular components
  7. A process whereby the granulocytes can suddenly leave the peripheral tissues
    demargination
  8. A noninvasive test in which ultrasound is used to reflect cardiac structures It can be performed at rest or in conjunction with a stress test
    echocardiogram
  9. An index that estimates contractile function of the left ventricle The expected ejection fraction is 60 to 70 percent.
    effluent ejection fraction (EF)
  10. A condition in which iron is toxic to the cells.
    hemosiderosis
  11. A relationship between the partial pressure of oxygen in the blood and the saturation of hemoglobin with oxygen.
    oxyhemoglobin dissociation curve
  12. The liquid portion of the circulation system
    plasma
  13. The amount the myocardial fibers are stretched at the end of diastole. This stretch reflects the amount of pressure and volume in the ventricle immediately preceding systole.
    preload
  14. The liquid part of blood after coagulation
    serum

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