Tubular Reabsorption

Multiple Choice

Tubular reabsorption

A) involves the movement of substances from the peritubular capillaries into the tubular fluid.
B) involves the movement of substances from the tubular fluid into the peritubular capillaries.
C) is considered to be active if any one of the five steps of transepithelial transport is active.
D) both (a) and (c) above.
E) both (b) and (c) above.