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NURS 502 Pathophysiology Questions Solved 100% Correct | Verified Solutions 2024/25 Update
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NURS 502 Pathophysiology Questions Solved 100%Correct | Verified Solutions 2024/25 Update
Regulation of Body Water - ✔✔Hypothalamus sends a concentration of the plasma, then
releases ADH, then water absorption will increase from kidneys, distal renal tubules & collecting
ducts.
Adrenal Cortical Regulation - ✔✔Releases aldosterone to stimulate kidneys to reabsorb
sodium
Natriuretic peptides - ✔✔secreted by atrial myocardium of the heart in response to high
blood pressure
Atrial natriuretic peptide (ANP) - ✔✔A hormone, secreted by the heart, that normally
reduces blood pressure, inhibits drinking, and promotes the excretion of water and salt at the
kidneys.
Brain Natriuretic Peptide (BNP) - ✔✔produced by ventricular muscle cells, not located in
brain
antidiuretic hormone (ADH) - ✔✔Hormone produced by the cells in the hypothalamus that
stimulates water reabsorption from kidney tubule cells into the blood and vasoconstriction of
arterioles.
Osmoreceptors control - ✔✔Thirst
ADH will - ✔✔Increase permeability of distal renal tubules in kidneys which results in water
reabsorption, which causes urine to become more concentrated
, renin-angiotensin-aldosterone system - ✔✔a hormone cascade pathway that helps regulate
blood pressure and blood volume
Angiotensin 2 - ✔✔A potent vasoconstrictor activated by renin; also triggers release of
aldosterone and can increase BP
Tonicity - ✔✔the ability of a surrounding solution to cause a cell to gain or lose water
Isotonic - ✔✔when the concentration of two solutions is the same (no shrinking or swelling)
Hypertonic - ✔✔Having a higher concentration of solute than another solution. (Cells shrink)
Hypotonic - ✔✔Having a lower concentration of solute than another solution
Regulation of sodium - ✔✔By kidney, aldosterone reabsorbs sodium and secretes potassium
Hyponatremia - ✔✔deficient sodium in the blood, causes swelling
What else happens in hyponatremia if h20 is lost along with sodium? - ✔✔Hypotension,
tachycardia, low urine output
What happens with dilation of plasma Na+ - ✔✔Weight gain, edema
Hypernatremia - ✔✔Inadequate water intake, high sodium and can lead to confusion,
lethargy
Potassium imbalance - ✔✔Caused by changes in resting membrane potentions
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