IBHRE Study set Exam Actual Questions
With 100% Verified Answers
What lead insulation materials are known for reducing fibroblast in
growth and susceptibility to MIO and ESC? -
correct answer ✅ePTFE and 80A polyurethane
What are the two most common causes of ventricular safety pacing
?-
correct answer ✅Ventricular ectopy and loss of atrial
sensing
What electrode material would most likely result in higher pacing
thresholds and high polarization? -
correct answer ✅Elgiloy
Which phase of the action potential would correlate to the relative
refractory period? -
correct answer ✅Phase 3
The ventricoloatrial conduction time of a pacemaker patient with a
typical endless loop tachycardia may be calculated by what
equation? -
correct answer ✅None
,IBHRE Study set Exam Actual Questions
With 100% Verified Answers
What parameter would not be useful to prevent typical crosstalk? -
correct answer ✅Safety pacing
What conductor technology combines a silver core with a high
strength metal (MP35N0) to obtain a strong low resistance wire? -
correct answer ✅DFT
Which of the current ICD capacitor technologies provide the highest
energy density and does not require reform? -
correct answer ✅Tantalum electrolytic
For treatment of arrhythmias, most drugs work by ? -
correct answer ✅Altering conductivity or refractoriness
What battery discharge curve shape does a lithium silver vanadium
oxide battery make ? -
correct answer ✅Two humps
1.67 Hz would equal how many bum? -
correct answer ✅100 bpm
,IBHRE Study set Exam Actual Questions
With 100% Verified Answers
T wave frequencies are typically ? -
correct answer ✅Low
What is the electrical circuit that converts a signal with both
positive and negative components into a signal with only one
component ? -
correct answer ✅Rectifier
What would account for the most common cause of inappropriate
mode switching ? -
correct answer ✅Atrial lead sensing ventricular signals
What is the primary reason that the lithium iodine battery has not
been used for ICDs? -
correct answer ✅The battery chemistry is only 2.8V
What is an example of a closed loop sensor ? -
correct answer ✅Myocardial contractility
What programming changes would cause the most significant hit on
an ICD battery longevity ? -
correct answer ✅ATP during charge
, IBHRE Study set Exam Actual Questions
With 100% Verified Answers
Which of the following pace/sense lead designs would one expect
the highest current density with a bipolar impedance reading of
1100 ohms ? -
correct answer ✅A Brady lead with an anode 5mm2 and
cathode 1.2mm2
What would the energy be given a voltage of 2V a pw of 1ms and
an impedance of 400ohms? -
correct answer ✅10 uj
Which of the following conditions has been shown to cause an
increase in stimulation threshold, a wide qrs, latency or under
sensing ? -
correct answer ✅Hyperkalemiad
What is the estimated battery service life of a pacemaker with a 1
amp hr battery and a 20 micro amp current drain ? -
correct answer ✅5.7 years
Which of the following clinical trial terms best describes patients
analyzed in the group they were randomized to regardless of
With 100% Verified Answers
What lead insulation materials are known for reducing fibroblast in
growth and susceptibility to MIO and ESC? -
correct answer ✅ePTFE and 80A polyurethane
What are the two most common causes of ventricular safety pacing
?-
correct answer ✅Ventricular ectopy and loss of atrial
sensing
What electrode material would most likely result in higher pacing
thresholds and high polarization? -
correct answer ✅Elgiloy
Which phase of the action potential would correlate to the relative
refractory period? -
correct answer ✅Phase 3
The ventricoloatrial conduction time of a pacemaker patient with a
typical endless loop tachycardia may be calculated by what
equation? -
correct answer ✅None
,IBHRE Study set Exam Actual Questions
With 100% Verified Answers
What parameter would not be useful to prevent typical crosstalk? -
correct answer ✅Safety pacing
What conductor technology combines a silver core with a high
strength metal (MP35N0) to obtain a strong low resistance wire? -
correct answer ✅DFT
Which of the current ICD capacitor technologies provide the highest
energy density and does not require reform? -
correct answer ✅Tantalum electrolytic
For treatment of arrhythmias, most drugs work by ? -
correct answer ✅Altering conductivity or refractoriness
What battery discharge curve shape does a lithium silver vanadium
oxide battery make ? -
correct answer ✅Two humps
1.67 Hz would equal how many bum? -
correct answer ✅100 bpm
,IBHRE Study set Exam Actual Questions
With 100% Verified Answers
T wave frequencies are typically ? -
correct answer ✅Low
What is the electrical circuit that converts a signal with both
positive and negative components into a signal with only one
component ? -
correct answer ✅Rectifier
What would account for the most common cause of inappropriate
mode switching ? -
correct answer ✅Atrial lead sensing ventricular signals
What is the primary reason that the lithium iodine battery has not
been used for ICDs? -
correct answer ✅The battery chemistry is only 2.8V
What is an example of a closed loop sensor ? -
correct answer ✅Myocardial contractility
What programming changes would cause the most significant hit on
an ICD battery longevity ? -
correct answer ✅ATP during charge
, IBHRE Study set Exam Actual Questions
With 100% Verified Answers
Which of the following pace/sense lead designs would one expect
the highest current density with a bipolar impedance reading of
1100 ohms ? -
correct answer ✅A Brady lead with an anode 5mm2 and
cathode 1.2mm2
What would the energy be given a voltage of 2V a pw of 1ms and
an impedance of 400ohms? -
correct answer ✅10 uj
Which of the following conditions has been shown to cause an
increase in stimulation threshold, a wide qrs, latency or under
sensing ? -
correct answer ✅Hyperkalemiad
What is the estimated battery service life of a pacemaker with a 1
amp hr battery and a 20 micro amp current drain ? -
correct answer ✅5.7 years
Which of the following clinical trial terms best describes patients
analyzed in the group they were randomized to regardless of
