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Endocrine E3 Regulation of Salt & Water Balance

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show endocrine  
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show regulating water excretion by the kidney in response to ADH  
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show electrolyte, maintenance sodium balance  
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renal mechanisms of Na+ balance are regulated by   show
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hormonal mechanisms also regulate   show
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all renal reabsorption is due to what   show
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show 1)glucose 2)amino acids 3)phosphate 4)HCO3- 5)H20  
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show 1)antidiurectic hormone 2)renin-angiotensin-aldosterone 3)atrial natriuretic peptide  
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what signals the kidney to conserve H20   show
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when is ADH released in the kidney to conserve H20   show
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show ADH  
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show aquaporins, H20  
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osmole receptors are found where   show
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what is the most potent osmolyte   show
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what stimulates ADH during dehydration   show
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what happens if there is a decrease in both osmolality and a decrease in volume   show
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1)decreased ADH production(central) or decreased response of kidney to ADH(nephrogenic) 2)large amounts of dilute urine 3)concentrated body fluids if intake is not increased   show
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show syndrome of inappropriate ADH  
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what is renin synthesized and secreted by   show
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show 1)SNS activation associated with decreased blood pressure sensed by baroreceptors 2)decreased tension on afferent arterioles in glomerulus 3)decreased pressure in glomerulus, decreased rate of NaCl delivery to macula densa  
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renin catalyses the formation of ___________ from _____________   show
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show ACE  
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where is angiotensin I converted to angiotensin II   show
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show 1)blood vessels 2)adipose 3)brain  
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angiotensinogen, renin, and ACE may act as a ________ to stimulate prostaglandins or act as what   show
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show angiotensin II  
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show angiotensin II  
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what increases cardiac contractility   show
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show angiotensin II  
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what is the most potent pressor substance known   show
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show cardiac and smooth muscle  
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show stimulates thirst, appetite for Na+, secretion of ADH  
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show in hypothalmic cells(subfornical organ & organum vasculosum) which project to supraoptic & paraventricular N. and vasomotor centers  
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show negative feedback, regulated by blood volume which increases as a result of sodium retention  
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show atrial natriuretic peptide  
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show atrial myocyctes, 28aa in response to stretch(increased atrial pressure)  
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another form of brain natiuretic peptide is synthesized and secreted by   show
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CNP is found in   show
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ANP/BNP binds to   show
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show CNP  
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natriuretic peptide receptor-C (NPR-C) binds to   show
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show 3 minutes, 20 minutes  
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show stimulate formation of cyclic GMP which modify functions  
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show 1)phosphorylation of regulatory proteins 2)cyclic nucleotide phosphodiesterases 3)direct ion channel regulation  
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physiologic actions of ANP   show
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what is the physiologic action of ANP on the cardiovascular system   show
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show 1)increase Na+ & H2O excretion by increase glomerular filtration & decrease Na+ & H2O reabsorption 2)decrease renin secretion by decreasing angiotensin II  
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what are physiologic actions of ANP on the hypthalamus   show
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what is the physiologic action of ANP on the pituitary gland   show
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what is the physiologic action of ANP on the adrenal gland   show
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show may decrease norepinephrine release from SNS & decrease epinephrine release from adrenal medulla  
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show 1)hemorrhage 2)dehydration 3)salt loading 4)salt depletion  
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show 1)immediate response is massive vasoconstriction mediated by SNS 2)slower in onset stimulated by renin-angiotensin-aldosterone 3)stimulation of ADH 4)inhibition of ANP  
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what happens during dehydration   show
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what happens during salt loading   show
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what happens during salt depletion   show
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when salt loading 350 mm/day/5days what are the levels   show
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when salt depletion 10mm/day/5days what are the levels   show
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