CCDS IBHRE PRACTICE SOLUTION SCRIPT
2026 FULL QUESTIONS WITH CORRECT
DETAILED ANSWERS GRADED A+
⩥ A programming mode that would NOT be utilized to manage
intermittent atrial fibrillation in a patient with a DDD pacemaker is:.
a) DDI
b) DVI
c) VDD
d) VVI. Answer: C. VDD
⩥ Variations in stimulus morphology on the surface ECG of an analog
recorder may be caused by:
a) a dislodged electrode
b) an electrical short
c) changes in patient position
d) all of the above. Answer: D. All of the above
⩥ All of the following have been used as ERI magnet responses except:
,a) abrupt increase in rate
b) abrupt decrease in rate
c) gradual increase in rate
d) gradual decrease in rate. Answer: C. Gradual Increase In Rate
⩥ Which of the following has not been used as an indicator of battery
depletion?
a) pulse width stretching
b) mode change
c) programmed amplitude reversion
d) telemetered battery impedance. Answer: C. Programmed Amplitude
Reversion
⩥ The electrical circuit that converts a signal with both positive and
negative components into a signal with only one component?
a) resistor
b) rectifier
c) diode
d) capacitor. Answer: B. Rectifier
,⩥ Which of the following would account for the most common cause of
inappropriate mode switching?
a) ventricular lead sensing atrial signals
b) lead insulation break
c) oversensing EMI
d) atrial lead sensing ventricular signals. Answer: D. Atrial Lead Sensing
Ventricular Signals
⩥ A patient's stimulation threshold was 1.0 Volt & 0.4 msec pulse
duration. The pacemaker is programmed to 2.0 Volt & 0.8 msec
duration. Lead impedance measures 1000 Ohms. The output energy for
this patient would be:
a) 2X threshold
b) 4X threshold
c) 6X threshold
d) 8X threshold. Answer: D. 8x Threshold
⩥ Factors which might increase the time until activation of the EBU
(emergency back-up) or stat set and which would be avoided when
utilizing temporary programming include:
a) breaking of the telemetry link
, b) reinitialization of the EBU or stat set
c) having to locate the EBU actuation mechanism
d) all of the above. Answer: D. All of the above
⩥ Pacing thresholds are not influenced by:
a) electrode material
b) electrode surface area
c) insulation material
d) maturation process. Answer: C. Insulation Material
⩥ A lead fracture may result in:
a) decreased battery longevity
b) decreased conductor impedance values
c) decreased electrode impedance values
d) decreased current drain. Answer: D. Decreased Current Drain
⩥ Lead insulation failure characteristics commonly include:
a) large impedance values
b) small current drain
2026 FULL QUESTIONS WITH CORRECT
DETAILED ANSWERS GRADED A+
⩥ A programming mode that would NOT be utilized to manage
intermittent atrial fibrillation in a patient with a DDD pacemaker is:.
a) DDI
b) DVI
c) VDD
d) VVI. Answer: C. VDD
⩥ Variations in stimulus morphology on the surface ECG of an analog
recorder may be caused by:
a) a dislodged electrode
b) an electrical short
c) changes in patient position
d) all of the above. Answer: D. All of the above
⩥ All of the following have been used as ERI magnet responses except:
,a) abrupt increase in rate
b) abrupt decrease in rate
c) gradual increase in rate
d) gradual decrease in rate. Answer: C. Gradual Increase In Rate
⩥ Which of the following has not been used as an indicator of battery
depletion?
a) pulse width stretching
b) mode change
c) programmed amplitude reversion
d) telemetered battery impedance. Answer: C. Programmed Amplitude
Reversion
⩥ The electrical circuit that converts a signal with both positive and
negative components into a signal with only one component?
a) resistor
b) rectifier
c) diode
d) capacitor. Answer: B. Rectifier
,⩥ Which of the following would account for the most common cause of
inappropriate mode switching?
a) ventricular lead sensing atrial signals
b) lead insulation break
c) oversensing EMI
d) atrial lead sensing ventricular signals. Answer: D. Atrial Lead Sensing
Ventricular Signals
⩥ A patient's stimulation threshold was 1.0 Volt & 0.4 msec pulse
duration. The pacemaker is programmed to 2.0 Volt & 0.8 msec
duration. Lead impedance measures 1000 Ohms. The output energy for
this patient would be:
a) 2X threshold
b) 4X threshold
c) 6X threshold
d) 8X threshold. Answer: D. 8x Threshold
⩥ Factors which might increase the time until activation of the EBU
(emergency back-up) or stat set and which would be avoided when
utilizing temporary programming include:
a) breaking of the telemetry link
, b) reinitialization of the EBU or stat set
c) having to locate the EBU actuation mechanism
d) all of the above. Answer: D. All of the above
⩥ Pacing thresholds are not influenced by:
a) electrode material
b) electrode surface area
c) insulation material
d) maturation process. Answer: C. Insulation Material
⩥ A lead fracture may result in:
a) decreased battery longevity
b) decreased conductor impedance values
c) decreased electrode impedance values
d) decreased current drain. Answer: D. Decreased Current Drain
⩥ Lead insulation failure characteristics commonly include:
a) large impedance values
b) small current drain
