Which feature of norepinephrine makes its action similar to that of a hormone?
A) It is released from the locus coeruleus into the general circulation.
B) It is released from the hypothalamus into the general circulation.
C) It is released from the adrenal glands into the general circulation.
D) None of the above; it does not show action similar to a hormone.

Question

Quizplus · Accepted Answer

Norepinephrine is released from the adrenal glands into the general circulation, which is a characteristic of hormones. Hormones are typically released by endocrine glands into the bloodstream to act on distant target tissues. Therefore, norepinephrine's release from the adrenal glands makes it similar to a hormone in its mode of action.

Which Feature of Norepinephrine Makes Its Action Similar to That