BKAT ICU POST TEST QUESTIONS WITH 100% CORRECT ANSWERS 100% Verified 2023/2024

Nitroprusside purpose - CORRECT ANSWER decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - CORRECT ANSWER contractility Dopamine at a low-end dose "renal dose" - CORRECT ANSWER 0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - CORRECT ANSWER 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - CORRECT ANSWER greater than 10mcg/kg/min vasoconstriction and increases BP Dopamine and Levophed infiltration - CORRECT ANSWER leads to tissue necrosis Dopamine antidote - CORRECT ANSWER regitine (phentolamine) TpA monitor for - CORRECT ANSWER bleeding-hemorrhagic CVA diltiazem (cardizem) works by? - CORRECT ANSWER (calcium channel blocker) slows ventricular rate by slowing conduction through the SA and AV node Diltazem (cardizem) biggest effect on which hemodynamic - CORRECT ANSWER hypotension diltazem is used for patients with - CORRECT ANSWER a-fib or a-flutter amiodarone (Cordarone) is a - CORRECT ANSWER antiarrythmic prolongs the cardiac duration You MUST use a __________ when using amiodarone infusion - CORRECT ANSWER 0.22 micron filter Watch out for ____________ in patients on a amiodarone infusion - CORRECT ANSWER hypotension, prolongation of QT interval and bradycardia amiodarone is used for patients with - CORRECT ANSWER a-fib, a-flutter and VT how much amiodarone is given to a stable VT with a pulse and a unstable pulseless VT/VF? - CORRECT ANSWER 150mg over 10min for VT with pulse 300mg push; repeat x1 at 150mg Epinephrine has what effect on the body? - CORRECT ANSWER increases HR, BP, and contractility what is the first line drug for pulseless arrest? - CORRECT ANSWER Epinephrine What rhythms are considered fatal? - CORRECT ANSWER V-fib, Vtach (pulseless), and asystole Epinephrine is also given for? - CORRECT ANSWER anaphylaxis and as a vasopressor for hypotension Heparin is used for? Antidote is? - CORRECT ANSWER anticoagulant Protamine Sulfate What is the osmotic diuretic of choice to decrease intracranial pressure? - CORRECT ANSWER mannitol How does mannitol work? - CORRECT ANSWER pulls fluids into intravascular space to be excreted by the kidneys to reduce intracranial pressure what insulin is given IV? What is the peak? - CORRECT ANSWER Regular insulin can only be given IV 2-4 hr peak time Which insulin has a peak of 8-14 hrs? - CORRECT ANSWER NPH Atropine is ineffective in which heart rhythms types? - CORRECT ANSWER high degree AV blocks: 2nd degree type2 and 3rd degree Atropine works by? - CORRECT ANSWER increasing heart rate-increasing conduction through SA node