NPB101L Practical Review

40 force grams 3150 3060 2970 21398 27811 seconds

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Unformatted text preview: d also help control kidney func&on •  There are low- pressure baroreceptors in the right atrium that sense when blood volume gets too high - > causes the release of ANP. –  ANP will: •  Relax the afferent arteriole to promote filtra&on •  Inhibit the release of Renin •  Inhibit the ac&ons of ANGII and inhibits sodium reabsorp&on In the hypotonic subject, osmoreceptors sense the DECREASE _____________ in osmolality which also inhibits the release of ADH •  Most osmoreceptors are near the 3rd cerebral ventricle •  ADH is produced and excreted from the hypothalamus •  ADH can act to increase water reabsorp&on in the principal cells in the collec&ng ducts Part 2: Specific Gravity Subject Isotonic Hypotonic Bicarbonate No Fluid Specific Gravity - - - - - - - - - - - - - - - - - DECREASE INCREASE? - - - - - - - - - - - - - - - - - Why? •  Isotonic subject excre&ng more salt and water so osmolarity shouldn’t change much •  Hypotonic subject is excre&ng a more dilute urine •  Bicarbonate subject is excre&ng more base Part 3: pH Subject Isotonic Hypotonic Bicarbonate...
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