Histamine has receptors in the hypothalamus, RAS system, stomach, blood vessels, and bronchioles. What creates histamine's differing effects seen in each of these areas?
A) They are dependent on which cell secretes the histamine.
B) Each tissue is different, so no two can have the same effect.
C) There are different message transduction systems.
D) Histamine recombines with other endogenous substances once inside the target cell.
E) All of the effects are a result of membrane dehydration.

Question

Quizplus · Accepted Answer

Histamine's varying effects in different tissues are due to the presence of different histamine receptors and associated signal transduction pathways in those tissues, leading to diverse physiological responses.

Histamine Has Receptors in the Hypothalamus, RAS System, Stomach, Blood