The concentration of a hormone in plasma is determined by
A)Its secretion and clearance rates
B)Whether or not it binds to carriers and/or other plasma proteins
C)The kind of receptor to which it binds
D)Its secretion and clearance rates and whether or not it binds to carriers and/or other plasma proteins
E)Whether or not it binds to carriers and/or other plasma proteins and the kind of receptor to which it binds

Question

Quizplus · Accepted Answer

The secretion and clearance rates of a hormone determine its concentration in plasma, as does whether or not it binds to carriers and/or other plasma proteins. Therefore, only choice D, which includes both of these factors, is correct. The kind of receptor to which it binds is important for the hormone's physiological effect, but does not directly determine its concentration in plasma.

The Concentration of a Hormone in Plasma Is Determined by