BKAT ICU POST TEST QUESTIONS WITH 100% CORRECT ANSWERS

Nitroprusside purpose - answer-decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - answer-contractility Dopamine at a low-end dose "renal dose" - answer-0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - answer-4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - answer-greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed infiltration - answer-leads to tissue necrosis Dopamine antidote - answer-regitine (phentolamine) TpA monitor for - answer-bleeding-hemorrhagic CVA diltiazem (cardizem) works by? - answer-(calcium channel blocker) slows ventricular rate by slowing conduction through the SA and AV node Diltazem (cardizem) biggest effect on which hemodynamic - answer-hypotension