QUESTIONS WITH COMPLETE SOLUTION GUIDE
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Terms in this set (67)
phosphorus and calcium are _______ Inversly
related
Calcium __________ in renal failure, so Decreases, increases
phosphorus ______________
Functions: filtration, reabsorption, Nephron
secretion
The first step in urine formation in glomerular filtration
which substances in blood pass
through the filtration membrane and
the filtrate enters the proximal
convoluted tubule of the nephron.
,amount of filtrate formed in all the Glomerular filtration rate GFR
renal corpuscles of both kidneys
each minute; filtration of plasma per
unit of time; directly related to the
perfusion pressure in the glomerular
capillaries; filtrate enters proximal
tubule @ 125ml/min
first section of the renal tubule that proximal convoluted tubule
the blood flows through; Reabsorbs
all the glucose and reabsorbs amino
acids, most of the HCO3, a, Cl,
phosphate, K, H20; If serum glucose
is >180 mg/dL, the renal threshold for
glucose is exceeded and results in
glucosuria and damage associated
with DM; When stimulated by the
parathyroid hormone, this tubule
excretes phosphate; The site of
action for angiotensin II, which
stimulates Na, H20, and Bicarb
reabsorption
section of nephron tubing that Descending loop of Henle
extends from proximal tubule;
impermeable to Na, passively
reabsorbs water and concentrates
urine
, section of nephron tubing that ascending loop of henle
extends from descending loop of
henle; actively reabsorbs Na, K, Cl;
Induces the reabsorption of
magnesium and Ca and is
IMPEREABLE to water -> making the
urine more dilute
Between the descending loop of distal convoluted tubule
Henle and the collecting duct;
Selective reabsorption and secretion
occur here, actively reabsorbs Na;
Impermeable to water, making urine
more dilute; Parathyroid hormone
increases Ca reabsorption here
Extends from the distal convoluted Collecting tubule
tubule and connects with the renal
pyramids; Reabsorbs Na in exchange
for K and H+; this process is
regulated by the hormone
aldosterone and is the site of action
for Antidiuretic hormone as well