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renal and urinary tract
renal and urinary tract function
13
Nursing
Undergraduate 2
10/28/2012

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Cards

Term
What is the primary purpose of the renal and urinary systems to maintain the body's homeostasis?
Definition
regulating fluid and electrolytes, removing wastes, and providing other functions
Term
how do the kidneys regulate blood pressure
Definition
When the kidneys detect low bp, they release renin which converts to angiotensin I, which converts to angiotensin II in circulation, a powerful vasoconstrictor
Term
The kidneys release renin, which converts to angiotensin I and II, which controls the release of which hormone that regulates sodium volume, thereby regulating electrolyte excretion
Definition
Aldosterone
Term
the kidneys reabsorb and return to the body's circulation any bicarbonate from the urinary filtrate and excretes acid in the urine to regulate what?
Definition
acid-base balance
Term
which glycoprotein is released by the kidney to stimulate the production of RBCs?
Definition
erythropoietin
Term
with increasing age, the desire to drink begins to diminish, making the elderly more prone to what?
Definition
hypernatremia and fluid volume deficit
Term
what are common symptoms of urinary tract disease?
Definition
pain, change in voiding, GI symptoms, and unexplained anemia
Term
what is the normal range for specific gravity?
Definition
1.010-1.025
Term
which disorders can cause an increased specific gravity?
Definition
diabetes mellitus, nephritis, and fluid deficit
Term
osmolality, the most accurate measurement of the kidney's ability to dilute and concentrate urine has a normal value of what?
Definition
300-900 mOsm/kg/24 h
Term
what is the normal creatinine (end product of muscle energy metabolism) level?
Definition
0.6-1.2 mg/dl
Term
What is the normal range for BUN?
Definition
7-18 mg/dL
Term
what is the normal BUN to creatinine ratio (evaluates hydration status, elevated would indicate hypovolemia)
Definition
about 10:1
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