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Terms in this set (426)
Kidneys maintain what? Stable internal environment.
Kidneys balance what? Solutes and water.
Kidneys regulate what acid/base Fluid balance and pH.
issue?
Kidneys excrete what? Metabolic wastes and foreign substances.
Kidneys conserve what? Nutrients.
Kidneys secrete what 3 major things? Renin, erythropoietin, vitamin D3.
Functional unit of kidney Nephron.
Outer kidney layer Cortex.
Inner kidney layer Medulla.
Renal corpuscle includes Glomerulus + Bowman's capsule.
Glomerular filtration Plasma → nephron.
Tubular reabsorption Tubule → blood.
Tubular secretion Blood → tubule.
,Excretion Waste leaves in urine.
Glomerulus job Filters plasma.
Bowman's capsule job Collects filtrate.
PCT job Major reabsorption site.
Loop of Henle job Concentrates urine.
DCT job Reabsorption/secretion.
Collecting duct job Final urine concentration.
Renal artery Brings blood to kidney.
Renal vein Drains blood from kidney.
Renal arteries branch from Aorta.
Renal veins empty into Inferior vena cava.
RBF means Renal blood flow.
GFR means Glomerular filtration rate.
Autoregulation protects Stable GFR.
RAAS is activated by Low BP or low blood volume.
Low BP causes kidney to release Renin.
Renin starts what system? RAAS.
RAAS increases Blood pressure.
, RAAS causes Vasoconstriction.
RAAS increases reabsorption of Sodium.
RAAS stimulates Thirst.
Aldosterone comes from Adrenal cortex.
Aldosterone acts on Distal tubule.
Aldosterone retains Sodium and water.
ADH is also called Vasopressin.
ADH comes from Posterior pituitary.
ADH is released when Dehydrated.
ADH increases Water reabsorption.
ANP comes from Atria.
ANP is released with Increased atrial pressure.
BNP comes from Ventricles.
Vitamin D helps absorb Calcium and phosphate.
Erythropoietin stimulates Bone marrow.
Erythropoietin makes more Red blood cells.
Normal urine color Clear yellow/amber.
Cloudy urine may mean Bacteria or high solutes.