The ch em ica l trig ge r zo ne is
A) An area of the medulla whose stimulation by specific chemicals causes vomiting
B) A group of chemoreceptors in the carotid body
C) A group of chemoreceptors in the aortic arch
D) A collection of solitary chemoreceptor cells in the intestine that induce vomiting
E) An integrative center in the medulla that coordinates vomiting

Question

Quizplus · Accepted Answer

The chemical trigger zone (CTZ) is located in the area postrema of the medulla oblongata and is responsible for detecting emetic (vomit-inducing) substances in the blood and cerebrospinal fluid, leading to the initiation of vomiting.

The Ch Em Ica L Trig Ge R Zo Ne