Tubular Secretion

Multiple Choice

Tubular secretion

A) refers to the movement of a substance from the peritubular capillary blood into the tubular lumen
B) can occur by active or passive transport mechanisms
C) of K⁺ occurs in the distal and collecting tubules and is stimulated by aldosterone
D) of organic anions and cations occurs in the proximal tubule by two distinct types of carriers
E) all of these