FCCN exam 2023 with 100% correct answers

positive inotrope examples - correct answer dobutamine, digoxin increases contractility (HF) negative inotrope example - correct answer beta blockers and CCB decreases contractility (angina) Pre renal - correct answer decreased perfusion MAP 60 Intrarenal - correct answer actual damage to nephrons=necrosis post-renal - correct answer obstruction=tumor, prostate, edema Hyperkalemia ECG changes - correct answer Tall tented T waves Hypokalemia ECG changes - correct answer U wave hypocalcemia ECG changes - correct answer prolonged QT intervals hypomagnesemia ECG changes - correct answer widened QRS, prolonged PR & QT, ALWAYS TREAT FIRST Order of replacement of electrolytes - correct answer 1. magnesium-party starter can increase other electrolytes. 2. potass