If a nurse was asked to explain the adrenal medulla to a patient, it would be appropriate for him or her to tell that patient that it. 

a. Is the outer core of the adrenal gland. 

b. Is the site of production of aldosterone and corticosteroids. 

c. Is actually a neural ganglion of the SNS. 

d. Consists of three layers of cells that produce different hormones.