Ibhre 2 - Study guides, Class notes & Summaries

IBHRE Random Questions and Answers 100% Solved Amperer Flow of electric current Ohms Law V=IR Impedance/Resitance Opposition to flow of alternating current Where is electrical energy stored in a DC defib? Capacitor Unit: Energy Joules Watt/Second Unit: Frequency Hertz cycles/second Unit: Force Newton mkg/s^2 Unit: Power Watt m^2kg/s^3 Convert: kg to lbs 2.2lb/kg

IBHRE Study Questions and Answers 100% Solved most common DC power source battery electric battery current frequency 0 hz what to do to test defibrillator discharge paddles into dummy load/dump the charge joules are a unit of energy grounding a patient vs a chassis patient should be ungrounded, chassis should be grounded heart rate formula 60,000 ms/min / CL in ms resting membrane potential -90 mV, due to K+ ions leaking out ionic transfer in action potential phase 0 = Na+ rushes in ...

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 deviati...

IBHRE CEPS ELECTRICAL AND PROCEDURAL FOUNDATIONS IBHRE CEPS ELECTRICAL AND PROCEDURAL FOUNDATIONS EXAM (PASS!!) E = V x I x time - Accurate AnswerFormula for energy Ampere - Accurate Answermeasures electron flow rate or current in electrical conductor, measured in Coulombs/second Ampere-hour - Accurate AnswerUnit of batter capacity Amount of energy charge in a battery Capacitance - Accurate AnswerRelationship between charge stored and voltage applied E = 0.5 x Capacitance x V...

IBHRE Exam Questions with Answers Functional Refractory Period (FRP) - Answer-the coupling interval which first results in a measurable degree of delay in impulse conduction effective refractory period - Answer-the longest coupling interval to be associated with block resting (transmembrane) potential - Answer-the voltage difference between the inside and outside of the cell fiber (negative inside cell) action potential - Answer-the cellular characteristics of depolarization and repol...

CCDS IBHRE 247 QUESTIONS AND ANSWERS

IBHRE EXAM TEST IBHRE EXAM TEST WITH GUARANTEED ACCURATE ANSWERS Lithium iodine battery V? - Accurate Answer2.8V- not used for ICDs due to low peak power. Qmr Lithium Iodine/ silver V? - Accurate Answer3.2V Qhr- used for ICDS Which is an example of a closed loop sensor? - Accurate Answermyocardial contractility and O2 stat Primary Sensor - Accurate Answerdetects changes in normal physiologic responses Secondary - Accurate Answerdetects internal changes from exercise- QT MV pH ...

EP IBHRE QUESTIONS AND ANSWERS 100% SOLVED A blockage to which coronary artery can cause AV Block? Posterior Descending Artery most commonly supplied by RCA but could be supplied by the circumflex What type of tissue has the longest refractory period? Ventricular Is the femoral vein medial or lateral to the femoral artery? The femoral vein is medial to the femoral artery At what value is something statistically significant? P<0.05 What are the normal cardiac pressures? "RA: 2-8 mm...

IBHRE CEPS Exam with Complete Solutions Ohm's law equation V=IR EKG monitored patient should be __________, monitor chassis should be ___________ (nonconductive). Why ungrounded, grounded. Grounded patient would be able to conduct leakage currents. we dont want this lb to kg 2.2 lb = 1 kg F to C C=5/9(F-32) C to F F=9/5C+32 3 things that change automaticity of automatic cells 1. slope of phase 4 2. Change of threshold potential 3. Change of resting membrane potential a systole is...

IBHRE EXAM 2024 WITH 100% CORRECT ANSWERS Voltage is? - correct answer The electromotive force pushing on electrons If the PM output voltage is 5v and the measured lead resistance is 330 ohms, then the current that flows out of the pacemaker into the heart is? - correct answer 15.15 I=V/R=5V/.33 k ohm If a unipolar lead wire has an insulation break one would expect the resistance to? - correct answer decrease for a wire fracture the resistance? - correct answer increases if th...