IBHRE CCDS Actual Exam 2024 | IBHRE
CCDS Exam Latest Update 2024 Questions
and Correct Answers Rated A+
What is the suggested type of antibiotics? -ANSWER-Beta-Lactam
antibiotics, vancomycin reserved for those with penicillin allerigies
What lead insulation material best reduces ingrowth? -ANSWER-
.ePTFE
Which lead insulation material is most susceptible to metal ion
oxidation (MIO) and environmental stress cracking (ESC) -ANSWER-
Poly 80A
ESC and MIO -ANSWER-Environmental Stress Cracking
Metal Ion Oxidation
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
Cardiac cells are ______________ charged at rest -ANSWER-
Negatively
Components of DFT and DBS conductors -ANSWER-Silver and
MP35N
Best type of capacitor -ANSWER-Tantalum Electrolytic
Describe the depletion Lithium Silver Vanadium Oxide battery -
ANSWER-Predictable, 3 plateaus in discharge curve
Common battery type for ppm? ICD? -ANSWER-Ppm - Lithium Iodide
ICD - Lithium Silver vanadium oxide
1 Hz = ___________ bpm -ANSWER-60
100 bpm = _________ Hz -ANSWER-1.67
Battery components:
, Capacitor -
Reed Switch -
Diode -
Resistor -
Rectifier - -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? -ANSWER-2.8V
Voltage of ICD battery? -ANSWER-3.2V
Types of Sensors: Open Loop -ANSWER-Only takes in positive
feedback; ex: piezoelectric sensor senses movement -> increased
rate until no more sensed movement
Types of sensor: closed loop -ANSWER-More physiologic than open
loop; rate changes in response to physiologic change -> rate stays
until physiologic state indicates it needs to slow (ex: 02 sats)
Types of Sensors: Primary -ANSWER-Detects changes that normal
effect the sinus node (02 sats, myocardial contractilty)
Types of sensors: Secondary -ANSWER-Detects internal changes
that result from exercise
Types of sensors: Tertiary -ANSWER-Detects external changes as a
result of exercise (piezoelectric, accelerometer)
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