Renal threshold of drug means -
Ans. is 'a' i.e., Drug concentration above which it appears in urine Renal Thresholdo The renal threshold is the concentration of a substance dissolved in the blood above which the kidneys begin to remove it into the urine. When the renal threshold of a substance is exceeded, reabsorption of the substance by the proximal convoluted tubule is incomplete; consequently, part of the substance remains in the urine,o Thus renal threshold is the Drug concentration above which it appears in urine.
Drug concentration above which it appears in urine
Drug concentration below which it appears in urine
Drug concentration above which it appears in blood
Drug concentration below which it appears in urine
Pharmacokinetics