Patient is likely having hypeensive emergency. All the drugs given in options except metoprolol can be used to control hypeensive emergencies. Fenoldopam Used in hypeensive emergencies Act on D1 receptors which are G protein coupled receptors. Very sho acting drug and must be given by intravenous infusion (being a catecholamine, not effective orally) Nitroprusside and hydralazine acts by releasing NO, which acts on intracellular guanyl cyclase. These do not act on GPCRs