試題詳解

8. Which of the following statement is TRUE about epinephrine?
(A) It is secreted in respon onse to short term stre resses through a hormone cascade pathway
(B)  It is secreted from adrena nal cortex and its main function is to mediate varlous fight-or-flight responses
(C)Its secretioni n is only in response to life-threatening danger
(D) Epinephrine is a hormone with a wide range of effects, because it can binds to different receptors in the same cell type, or It can binds to the same receptor located on different cell types