Which Statement Relating to Endocrine Signaling Is False

Multiple Choice

Which statement relating to endocrine signaling is false?

A) Hormones are released to the extracellular fluid and then diffuse into the bloodstream.
B) Histamine is a paracrine.
C) Hormonal signals enter the bloodstream, so hormones influence all cells with which they come in contact.
D) Hormones, paracrines, and autocrines bind to receptors.
E) Some endocrine cells exist as single cells within a tissue.