A substance is present in concentration of 2mg% in the afferent arteriole and zero mg% in the efferent. True about the substance is: (A) It is freely filtered in glomerulus, (B) Secreted in cortical nephron, (C) Absorbed in PCT, (D) Impermeable in loop of Henle
Answer is A. Ans. (a) It is freely filtered in glomerulus(Ref: Ganong, 25th ed/p.673)Concentration of 0 mg% means the substance is freely filtered into the bowman's space