IBHRE CEPS EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

IBHRE CEPS EXAM ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS Ohm's law equation - Answer -V=IR EKG monitored patient should be __________, monitor chassis should be ___________ (nonconductive). Why - Answer -ungrounded, grounded. Grounded patient would be able to conduct leakage currents. we dont want this lb to kg - Answer -2.2 lb = 1 kg F to C - Answer -C=5/9(F-32) C to F - Answer -F=9/5C+32 3 things that change automaticity of automatic cells - Answer -1. slope of phase 4 2. Change of threshold potential 3. Change of resting membrane potential a systole is represented by what portion of the ECG - Answer -QT interval What is main ion transfer during systole - Answer -K+ seeps out, Ca2+ entersAt rest, what is intracellular/extracellular environment - Answer -inside negative, outside positive What phase of AP is resting membrane potential - Answer -phase 4 Nodal depolarization occurs via what channel - Answer -Ca2+ slow channel Cardiac muscle cell depol occurs via what channel - Answer -Na+ fast channel During which phases is cell refractory - Answer -1,2,3 TDP caused by what mechanism usually - Answer -EAD's (triggered activity) Variance - Answer -Take each number in sample, subtract each number from mean, square each difference, add all, divide sum by number in sample -1 Standard deviation - Answer -square root of variance P value - Answer -Probability of certainty / smaller p value means the more likely the result could not occur by chance survival curve showing % of patients surviving treatment over time - Answer -Kaplan - Meier curves when measuring EGM's, earliest atrial activation usually from _____ and earliest ventricular usually from ______ - Answer -P wave / QRS Morady maneuver is used to differentiate - Answer -differentiate AT from AVNRT/AVRT Most common arrhythmia - Answer -AFMost common SVT - Answer -AVNRT What type of single use devices can be resterilized and why? - Answer - Diagnostic EP electrodes because lumen and technically not a catheter because no lumen Fr to mm - Answer -1 Fr = .33 mm Tip inner diameter standard diagnostic cardiac catheters and why - Answer -.038 inch / because it is supposed to be used with .035-.038 inch guide wires What is 2 rules for CMC's like spiral or lasso - Answer -1. Only approved for use in LA due to chordae tendinea 2. Only rotate shaft clockwise