Kin 470 1st Edition Lecture 7 Outline of Last Lecture I. TESTOutline of Current Lecture i. Mean arterial pressure at restii. Mean arterial pressure during exerciseCurrent LectureMean arterial pressure at restBlood pressure 120/80 mmHg-more time spent in diastole than systoleDuring exercise180/80 mmHg-shorten both systole and diastole---shorten diastole more-more time in systole than diastoleMAP = 80 mmHg + .67 (180-80)What influences mean atrial pressureMAP=C.O. x total peripheral resistance (TPR)-volume of blood pumped by heart per min (Cardiac output)-resistance of the vessels (TPR)-MAP is directly proportional to C.O and TPRincrease CO direct relationship of MAPinfluence atrial blood pressure-influences CO-blood volume increases-heart rate increase-stroke volume increase-influences vascular resistant-blood viscosity-peripheral resistance increasesshort termThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-SNS-baroreceptors sense change in pressure-carotid artery and aortalong term-kidney-regulate blood volumehypertensive140/90-heart doesn’t need CNS-contractions of the heart depends on electrical stimulation of the myocardiumSA nodePac maker of the heartCells are spontaneously
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