KIDNEYS • FILTER WASTE PRODUCTS OF METABOLISM THAT COLLECT IN THE BLOOD • WASTE OF PROTEIN METABOLISM________ • EXCRETES DRUG METABOLITES • IMPORTANT IN F&E BALANCE • GFR NORMALLY 125 ML/MINUTE
VOIDING • BLADDER STARTS TO FEEL FULL AT 150 -200 ML • STRONG VOID URGE AT 400 -500 ML • ABSENT VOID URGE MAY BE DUE TO SPINAL OR SUPRA SPINAL NERVE DAMAGE OR BLADDER WALL CHANGES • VOID NORMALLY EVERY 2 -4 HOURS • ______RELEASED AT NIGHT DECREASES URINE PRODUCTION