karusmle
Forum Guru
Topics: 296
Posts: 1,001
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clearance of several substances was measured at constant GFR and at constant urine flow rate,but at increasing plasma concentration of the substance,under these conditions clearance will increase at high plasma concentration for which of the substance?
a)creatinine
b)mannitol
c)penicillin
d)phosphate
e)urea
answer with explanation please
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| trevor
Forum Junior
Topics: 7
Posts: 21
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i think its d) phosphate. it behaves just like glucose ie has a transport max. normally all of it is reabsorbed. and if levels rise upto a certain limit it appears in urine ie clearance increases
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