CCDS exam review Questions and Answers – Updated 2024
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Course
2024/2025
Institution
2024/2025
CCDS exam review Questions and
Answers – Updated 2024
What lead insulation materials are known for reducing fibroblast ingrowth and susceptibility to
Metal-ion induced oxidation (MIO) and Environmental Stress-Cracking (ESC) - Answer-ePTFE
and 80A polyurethane
What is the most common cause of...
The ventriculoatrial conduction time of a pacemaker patient with a typical endless-loop-
tachycardia may be calculated by which equation? - Answer✔✔-(upper rate limit interval) - ( AV
delay + PVARP) ????????????????
or is it just MTR (URL) - AVD
For treatment of arrhythmias, most drugs work by altering _______ or __________. -
Answer✔✔-Conductivity or Rerfractoriness
1Hz = ??bpm - Answer✔✔-60bpm
What would cause a more significant drain on battery charge... ATP before charge or ATP during
charge? - Answer✔✔-ATP DURING charge
Increased current density is expected with what type of lead feature? - Answer✔✔-Small tip
(cathode) surface area
________ is the component of a device that converts both positive and negative components
into a signal with only one component. - Answer✔✔-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
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