The elevated blood potassium prompts aldosterone discharge from the adrenal cortex. The aldosterone is foremost mineralocorticoid hormone which is a steroid hormone formed by the zona glomerulosa of the adrenal cortex in the adrenal gland however the adrenal cortex is the outside portion of the gland that yields hormones that are vivacious to life such as cortisol which aids control metabolic rate and helps the body react to anxiety and aldosterone which aids control blood pressure.