A patient is receiving exogenous cortisol in the form of hydrocortisone shots for a sinus infection. Their natural adrenal secretion of cortisol will decrease due to negative feedback on the ________ reducing the secretion of ________?

a) Anterior pituitary; CRH
b) Anterior pituitary; cortisol
c) Hypothalamus; ACTH
d) Hypothalamus; cortisol
e) Anterior pituitary; ACTH