The graph of the filtered load of inulin plotted against the plasm a concentration of inulin is linear.
This is because inulin is
A) Freely filtered but not reabsorbed or secreted
B) Freely filtered and reabsorbed
C) Freely filtered and also secreted
D) Not filtered, reabsorbed or secreted
E) Avidly destroyed by the kidney

Question

Quizplus · Accepted Answer

Inulin is freely filtered at the glomerulus but is neither reabsorbed nor secreted by the renal tubules, making it an ideal marker for measuring glomerular filtration rate (GFR). This property results in a linear relationship between the filtered load of inulin and its plasma concentration.

The Graph of the Filtered Load of Inulin Plotted Against