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WVSOM -- Physio Word Scramble

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Question	Answer
Medullary CV center	Vasomotor (ventrolateral medulla) Cardioacceleratory Cardioinhibitory
Blood Pressure Control	Baroreflex
High pressure receptors	Carotid sinus Aortic Arch
Low Pressure Receptors	Cardiopulmonary receptors pulmonary artery Junctino of atria w/ corresponding veins
Response to orthostatic pooling of blood	Decreased Stretch -> Increased SNS Decreased PNS
SNS on B1 in orthostatic hypotension	increased HR Increased contractility Increased SV
SNS on arterioles	Consticts Increased Peripheral Resistance
SNS on Veins	Increased Vascular Resistance Increased Stroke Volume Increased Cardiac Output
SNS on Kidneys	Increased Na Increased H2O Increased BV increased VR Increased CO
Baroreflex to increased arterial Pressure	NTS decreases SNS and Increases PNS resulting in decreased HR
Increased Stretch Leads to	increased HR VD to kidnes Decrease in ADH Myocytes release ANP
Decreased stretch leads to	no effect on HR Increased SNS to kidneys Increased release of ADH, AVP
Stretch of high-pressure receptors	Due to increased BP reflex works to decrease BP
Stretch of Low-pressure receptors	increased volume relex works to dump fluid
Hormonal Control	Epinephrine AVP ADH ANP
AVP or ADP	Vasopressin Anti-diuretic Hormone Synthesized in the hypothalamus and released from pituitary
Stimulus for release of vasopressin	Increased plasma osmolality Decreased volume Circulating Ang II
AVP Actions	vasoconstrict retention of fluid by kidney to increase volume
RAAS	Renin-Angiotensin-Aldosterone-System
Angiotension I ->	Angiotension II by enzyme ACE
Angiotensin II results in	Increased Aldosterone Decreased Na Excretion Increased Systemic Vascular Resistance
Role of chemoreceptors in AP regulation	Important role in severe hypoxia Decreased pO2, Increased pCO2, and Decreased pH Central Sense: elevated CO2 leading to decreased pH