<prompt> All of the following drugs reduce afterload exceptEnalaprilPropanonolHydralazineSodium nitroprusside  <response>: Ref-KDT 6e p504 Afterload is reduce after the drug having Aeriolar delating propey.propananol is a non selective Beta blocker.it can cause vasoconstriction by antanagolizing beta2 mediated vasodilation.it,do not decreases afterload 