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HUGE RECAP: Shock = Dropping BP By negative feedback, the body will do everything that it can to raise the blood pressure. BARORECEPTORS are activated. Cardiovascular center senses the decreased rate of nerve impulses and responds by an _______ in sympathetic innervation to the heart & BVs. Sympathetic innervation causes increased HR and increaed SV therefor increased CO and increased BP. Arterioles constrict leading to increase in vascular resistance leading to an increase in BP. BARORECEPTORS also signal the hypothalamus and pituitary galnd. This is where ADH (antidiuretic hormone) comes from. ADH gets released into the blood stream. It will press on vessels causing vasoconstriction, increasing resistance, increasing BP. In addition to this, it acts on the kidneys and casues less urine production. This causes the conservation of salt and _______. This increases blood volume which increases BP. BARORECEPTORS ON KIDNEYS- renin will be released and antiotensin II will be released in the blood. It will go to the adrenal gland by blood stream and cause productione of aldosterone. Aldosterone will tell the kidneys to conserve water and salt. This will bead to increaed blood volume, therefore increased BP.

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