If the tubular transport maximum (Tm) value for the amino acid, valine is 120 mg/min and the blood level is 240mg/ml, this amino acid will be:

a. Completely reabsorbed by the proximal convolued tubule
b. Actively secreted by the proximal convolued tubule
c. Excreted in the urine
d. Broken down by the liver


Ans: c. Excreted in the urine

Anatomy & Physiology

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