Thromboxane is a chemical mediator released by platelets. Thromboxane promotes the aggregation of platelets which results in platelet plug formation during hemostasis. Thromboxane would therefore be classified as a/an ________.
A) neurotransmitter
B) paracrine chemical messenger
C) endorphin
D) enkephalin
E) autocrine chemical messenger

Question

Quizplus · Accepted Answer

Thromboxane acts as an autocrine chemical messenger because it is released by platelets and acts on the same cells to promote platelet aggregation.

Thromboxane Is a Chemical Mediator Released by Platelets