Use the word bank below to fill-out the table summarizing blood pressure control: Baroreflex Aldosterone Autoregulation Angiogenesis Medullary ischemic response Anti-diuretic hormone Atrial natriuretic peptide Reactive hyperemia Chemoreflex Vasoactive chemicals Angiotensin II Epinephrine & norepinephrine Type of blood pressure control: Examples: Specific way it controls blood pressure: Local: if tissue is inadequately perfused, wastes accumulate stimulating vasodilation which increases perfusion if blood supply cut off then restored, flow increases above normal substances such as histamine, bradykinin, and prostaglandins that stimulate vasomotion growth of new blood vessels Neural: blood pressure changes detected by carotid sinuses results in changes in heart rate and cardiac output (sympathetic control) Receptors in aortic and carotid bodies detect changes in blood pH, and alter heart and breathing rates to correct blood oxygenation levels. Vasomotion can also be altered. Automatic response to insufficient perfusion of the brain Hormonal: Potent vasoconstrictor – raises blood pressure Stimulates sodium and water retention by kidneys, thereby increasing blood volume and blood pressure Reduces blood pressure by promoting sodium secretion by kidneys, and reducing blood volume. Increases water retention, thereby increasing blood volume and blood pressure Cause vasoconstriction in most blood vessels, but vasodilation of vessels supplying skeletal muscle
Use the word bank below to fill-out the table summarizing blood pressure control: Baroreflex Aldosterone Autoregulation Angiogenesis Medullary ischemic response Anti-diuretic hormone Atrial natriuretic peptide Reactive hyperemia Chemoreflex Vasoactive chemicals Angiotensin II Epinephrine & norepinephrine Type of blood pressure control: Examples: Specific way it controls blood pressure: Local: if tissue is inadequately perfused, wastes accumulate stimulating vasodilation which increases perfusion if blood supply cut off then restored, flow increases above normal substances such as histamine, bradykinin, and prostaglandins that stimulate vasomotion growth of new blood vessels Neural: blood pressure changes detected by carotid sinuses results in changes in heart rate and cardiac output (sympathetic control) Receptors in aortic and carotid bodies detect changes in blood pH, and alter heart and breathing rates to correct blood oxygenation levels. Vasomotion can also be altered. Automatic response to insufficient perfusion of the brain Hormonal: Potent vasoconstrictor – raises blood pressure Stimulates sodium and water retention by kidneys, thereby increasing blood volume and blood pressure Reduces blood pressure by promoting sodium secretion by kidneys, and reducing blood volume. Increases water retention, thereby increasing blood volume and blood pressure Cause vasoconstriction in most blood vessels, but vasodilation of vessels supplying skeletal muscle
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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