-acts on a1, a2, B1, and B2 receptors
-flight or fight response
-boosts the supply of oxygen and glucose to the brain and muscles, while suppressing other non-emergency bodily processes (digestion).

Spironolactone:  a diuretic (potasium sparing) and also used as an antiandrogen.  It is a renal competitive aldosterone antagonist.

Used for:  heart failure, ascites, low-renin hypertension, Conn's syndrome (primary hyperaldosteronism).