Respuesta :

Answer:

The correct answer is b. CRH

Explanation:

CRH (Corticotropin-releasing hormone) is released by hypothalamus gland in stress condition. After it's release it reaches to the pituitary gland and initiate the secretion of ACTH (adernocorticotropic hormone).

ACTH then stimulate the secretion of steroid hormones from adrenal cortex. Secretion of steroid hormone like cortisol are essential in fight and flight response under stress condition. This whole path is known as HPA(hypothalamic-pituitary-adrenal) axis.

So the correct answer is b. CRH