A substance is present in concentration of 2 mgdeg/o in the afferent aeriole and zero mg% in the efferent. True about the substance is:: (A) It is free filtered in glomerulus, (B) Secreted in coical nephron, (C) Absorbed in PCT, (D) Impermeable in loop of Henk
Answer is A. A i.e. It is freely filtered in glomerulus If the substance is 0 mg% in efferent aeriole, it means that all of it has freely filtered in glomerulus.