Describe the renal handling of sodium.

[Click here to toggle visibility of the answers]

College Answer

A description of filtration and reabsorption, including amounts was required. Better answers
described sodium handling in a logical sequence as it progressed through the nephron including
the percentages reabsorbed in each segment. In addition to the amounts reabsorbed, the
mechanisms of transport across the tubular luminal and basolateral membranes into interstitial
space should have been described.