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Ex Phys Ch. 15

Ch. 15 (Quiz 3)

QuestionAnswer
isovolumetric contraction period brief interval of rising ventricular tension, during which the heart volume and muscle fiber length remain unchanged ("wringing out" of blood in ventricles)
formula for blood pressure BLOOD PRESSURE = CARDIAC OUTPUT X TOTAL PERIPHERAL RESISTANCE
auscultation method a way to measure systolic and diastolic BP
mean arterial pressure (MAP) average BP values; MAP = DIASTOLIC BP + [.333(SYSTOLIC - DIASTOLIC BP)]
precapillary sphincter ring of smooth muscle that encircles the vessel at its origin; controls capillary diameter
capacitance vessels the veins: they serve as blood reservoirs (normally contain 65% of the total blood volume at rest)
phlebitis condition in which the venous wall becomes inflamed and progressively deteriorates
thrombus blood clot
rate-pressure product (RPP) index of relative cardiac work that relates closely to directly measured myocardial oxygen consumption and coronary blood flow in healthy subjects over a wide range of exercise intensities; RPP = Systolic BP X Heart Rate
Created by: jmangum1495