Normally,concentrations of Metabolically Important Substances,such as Glucose,are

Multiple Choice

Normally,concentrations of metabolically important substances,such as glucose,are

A) high in glomerular filtrate,but only a trace in urine.
B) low in glomerular filtrate,but high in urine.
C) high in both glomerular filtrate and urine.
D) low in both glomerular filtrate and urine.
E) excluded from entering the excretory system altogether.