HTN - HYPERTENSION High Blood Pressure Function of Blood...

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HYPERTENSION HYPERTENSION High Blood Pressure
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Function of Blood Pressure Function of Blood Pressure Pushes blood through the vascular system Large arteries- small arteries- capillaries Delivers constant supply of nutrients
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Peripheral Resistance Peripheral Resistance The heart pushes blood The small arteries and capillaries resist its flow This ensures nutrients to cross capillary walls
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Blood Volume Blood Volume Blood is mostly water The volume depends on the amount of dissolved particles in the blood The more sodium (salt), the more water, the higher volume dehydration reduces volume, raising blood pressure which includes peripheral vessel constriction
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Normal Blood Pressure Normal Blood Pressure Blood Pressure Category Systolic (mm Hg) Diastolic (mm Hg) Normal less than 120/80 Prehypertension120-139/80-89 High Stage 1 140-159/90-99 Stage 2 160 or higher/100
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Atherosclerosis and HTN Atherosclerosis and HTN Atherosclerosis narrows arteries, because of plaque.
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HTN - HYPERTENSION High Blood Pressure Function of Blood...

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