AIIMS May 2011 – MCQ 138

True statement regarding the kidney is?
A. Clearance will be more than GFR if the substance is secreted into the tubule
B. Descending limb is permeable to solutes
C. Fluid coming from the descending limb is hypotonic
D. Clearance of a substance is always more than GFR if there is tubular secretion

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