Week 13 extras 2

Week 13 extras 2 - by the hypothalamus ADH stimulates water...

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Control of Blood Pressure 
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Neural - short term effect Endocrine - long term effect 
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Control of Blood Pressure Neural 
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Vasomotor tone  - autonomic nervous system Baroreceptor  reflex Chemoreceptor  reflex 
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Baroreceptor Reflex 
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Baroreceptors respond to changes in blood  pressure Baroreceptors monitor the degree of stretch in the 
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walls of the vessels When blood pressure increases , baroreceptors  cause (decreased sympathetic and increased  parasympathetic) a decrease in cardiac rate and  output, and vasodilation When blood pressure drops , baroreceptors cause an  (increase sympathetic and decreased parasympathetic)  increase in cardiac rate and output, and  vasoconstriction 
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Blood Pressure Control
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Endocrine  ADH Angiotensin II Erythropoietin Natriuretic peptides 
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Blood pressure Control ADH 
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If blood pressure drops, ADH is released
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Unformatted text preview: by the hypothalamus ADH stimulates water reabsorption by the kidneys and vasoconstriction to cause an elevation of blood pressure Blood Pressure Control Natriuretic Peptides - Atrial Natriuretic Peptide Produced by cardiac muscle cells These hormones reduce blood volume and blood pressure ; promote water loss by the kidneys; block release of ADH, aldosterone, epinephrine, and norepinephrine; stimulate vasodilation - therefore, casue a dcrease in blood pressure Natriuretic peptides are produced in response to increased pressure in the right atrium during diastole Blood Pressure Homeostasis Neural Controlled by cardiac centers and vasomotor center of the medulla oblongata Cerebral cortex; limbic system...
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This note was uploaded on 02/11/2010 for the course AHS 132 taught by Professor Klinger during the Spring '09 term at Nassau CC.

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Week 13 extras 2 - by the hypothalamus ADH stimulates water...

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