With 100% Verified Answers
What is the suggested type of antibiotics? -
correct answer ✅Beta-Lactam antibiotics, vancomycin
reserved for those with penicillin allerigies
What lead insulation material best reduces ingrowth? -
correct answer ✅.ePTFE
Which lead insulation material is most susceptible to metal ion
oxidation (MIO) and environmental stress cracking (ESC) -
correct answer ✅Poly 80A
ESC and MIO -
correct answer ✅Environmental Stress Cracking
Metal Ion Oxidation
Pros/Cons of Silicone Leads -
correct answer ✅Pros: Longevity, flexible, repairable
Cons: Tacky, thick, easily damaged
Most common cause of Ventricular Safety Pacing? -
correct answer ✅Ventricular Ectopy
,IBHRE CCDS Exam Actual Questions
With 100% Verified Answers
Which electrode material is bad? -
correct answer ✅Elgiloy
Cardiac action potential:
0-4 -
correct answer ✅0 - depolarization (Ca+ and Na+ rush in)
1 - Na+ channels close
2 - Slow Ca+ channels
3 - fast K+ channels
4 - alert
Cardiac Tissue is (-) at rest and (+) at contraction
0 - Na channels are open
1 - K channels open and start repolarization
2 - Ca channels open and delay repolarization
3 - Ca channels close
4 - Rest
,IBHRE CCDS Exam Actual Questions
With 100% Verified Answers
Cardiac cells are ______________ charged at rest -
correct answer ✅Negatively
Conductor Types -
correct answer ✅DFT (Drawn Filled Tube) and DBS (Brawn
Brazed Strand)
Components of DFT and DBS conductors -
correct answer ✅Silver and MP35N
Best type of capacitor -
correct answer ✅Tantalum Electrolytic
Describe the depletion Lithium Silver Vanadium Oxide battery -
correct answer ✅Predictable, 3 plateaus in discharge curve
Common battery type for ppm? ICD? -
correct answer ✅Ppm - Lithium Iodide
ICD - Lithium Silver vanadium oxide
, IBHRE CCDS Exam Actual Questions
With 100% Verified Answers
1 Hz = ___________ bpm -
correct answer ✅60
100 bpm = _________ Hz -
correct answer ✅1.67
Battery components:
Capacitor -
Reed Switch -
Diode -
Resistor -
Rectifier - -
correct answer ✅Cap - stores electrical charge
Reed - switches ppm to Magnet mode
Diode - ensures one way flow of current
Resistor - restricts current flow
rectifier - creates all pos or all neg signals
Voltage of PPM battery? -
correct answer ✅2.8V