Question

To initiate the stress response the hypothalamic neurons release

a. oxytocin
b. CRH
c. ACTH
d. none of the above

Answer 1

The correct answer is b. CRH

Step-by-step 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