IBHRE Exam with Correct Answers

IBHRE Exam with Correct Answers Class I Drugs - Answer-Sodium Channel blockers (Phase 0) Class II Drugs - Answer-Beta blockers (SA/AV Node) Class III Drugs - Answer-Potassium Channel blockers (Phase 3) Class IV Drugs - Answer-Calcium Channel Blockers (Phase 2) Class V Drugs - Answer-Digitalis (SA + AV Nodes) What is the most posterior structure of the heart? - Answer-LA On an EKG, what structure is always negative? - Answer-AVN Lead I: + aVF: + - Answer-normal axis deviation Lead I: + aVF: - - Answer-left axis deviation Lead I: - aVF: + - Answer-right axis deviation Pneumonic for drug classes: - Answer-So Be Pot Cautious NYHA Class 1 - Answer-Walky talky NYHA Class 2 - Answer-some SOB c stairs NYHA Class 3 - Answer-no stairs NYHA Class 4 - Answer-Can't walk due to SOB. LBBB due to remodeling qualifys. LBBB = impulse originated from - Answer-the right RBBB = impulse originated from - Answer-the left With VT Mapping, look for the first focus of the V beat, not the: - Answer-direction