CardioLab - Roshni Sheth BY 124L: KU July 14, 2010...

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Roshni Sheth BY 124L: KU July 14, 2010 CardioLab Assignment 1 1. Increasing the blood viscosity will increase the blood pressure. This hypothesis was supported because the resistance increased. When blood viscosity was decreased, MAP decreased because the resistance decreased. 2. Increasing the blood vessel radius will decrease MAP & decreasing the blood pressure radius will increase MAP. This hypothesis was supported. Arteriosclerosis makes MAP increase because blood vessel radius decreases. 3. Increasing heart rate will increase cardiac output & MAP, while decreasing heart rate will decrease cardiac output & MAP. This hypothesis was supported. If the heart rate is increased, the heart is pumping more blood, so the blood pressure will 4. Diastolic ventricle volume measures the amount of blood that fills each ventricle during relaxation (diastole), so if the volume increases, the stroke volume increases, resulting in the of the cardiac input & MAP. Decreasing systolic ventricle volume would produce the same results. Assignment 2 2. Increasing heart rate will increase vessel radius & systolic volume capacity to maintain blood pressure homeostasis. The nervous system will play a role in this by vasodilatation. It will not affect blood viscosity, blood volume, or venous capacity. The vessel radius increased, supporting the hypothesis. The blood viscosity, blood volume & venous capacity remained unchanged
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CardioLab - Roshni Sheth BY 124L: KU July 14, 2010...

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