Anatomy Questions
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Moderate sympathetic stimulation constricts both afferent and efferent arterioles and GFR _______________.
Nitric oxide is a powerful ______________.
pressure forces filtration of waste-laden blood in the glomerulus
A double-walled epithelial cup that surrounds the glomerular capillaries
force exerted against the filtration membrane by fluid in the capsular space (opposes filtration)
the formation of a protein-free filtrate of plasma across the glomerular membrane
The distal convoluted tubules of several nephrons empty into a ___________________.
Macula densa cells detect increases in amounts of _______, _______, and ________ and inhibit the release of _____________.
the main force that "pushes" water and solutes through the filtration membrane (promotes filtration)
In the average adult, the body's entire extracellular fluid volume is filtered about _______ times per day
Exercise or hemorrhage induces strong sympathetic stimulation, vasoconstriction of the afferent arteriole and steep drop in GFR which causes:
the process of returning important substances from the filtrate back to the body
_____________ is the amount of filtrate formed in all the renal corpuscles of both kidneys each minute
pressure of plasma proteins "pulling" on water (opposes filtration)
Area in the kidney where the tubes of the renal artery, renal vein and ureter are
The epithelium of the visceral and parietal layers of the renal corpuscle form ___________ which act as a filtration (dialysis) membrane.
Fluid filtered from the glomerular capillaries enters the ___________, which is the lumen of the urinary tube
Blood plasma is filtered through the __________ capillaries into the __________ capsule.
allows urine to be excreted from the bladder
T or F: The kidneys are highly vascularized.