Tubular secretion
A) involves transepithelial transport
B) is the movement of a substance from the peritubular capillary blood into the tubular fluid
C) always occurs by active transport
D) involves transepithelial transport and is the movement of a substance from the peritubular capillary blood into the tubular fluid
E) is the movement of a substance from the peritubular capillary blood into the tubular fluid and always occurs by active transport

Question

Quizplus · Accepted Answer

Tubular secretion involves transepithelial transport and is the movement of a substance from the peritubular capillary blood into the tubular fluid. It may occur by active transport or passive diffusion, depending on the substance being secreted.

Tubular Secretion