Medtronic Basic Pacing Practice Test

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• Which characteristic is a benefit of polyurethane as a lead insulator?
• How are sensing codes described in the NBG coding system?
• What is a steroid eluting lead designed to do?
• What is the role of the anode in a pacing device?
• In which patient population are epicardial leads most commonly employed?
• What unit is current measured in within a pacing system?
• What can lead to acute stimulation threshold peaking?
• What components make up the IPG of a pacemaker?
• What does the 'S' code indicate in the NBG classification?
• What is the significance of maintaining low chronic thresholds in pacing?
• How does a dual chamber response work?
• What factors influence the longevity of a pacemaker battery?
• In which situation is an AAI pacemaker prescribed?
• Which of the following does not describe part of chamber pacing?
• What does the MICRA represent in pacing technology?
• If there is an insulation break, what does the impedance value drop to?
• What common problem is indicated by a lead with low resistance?
• Why is the understanding of NBG code significant in pacemaker programming?
• What is one of the main functions of the AAI pacemaker?
• What potential problem could arise from the pacing with a unipolar lead?
• In which method is the transcatheter pacing system delivered?
• What are the characteristics of a unipolar lead?
• How does the pacing impulse travel in a bipolar lead?
• How does the pacemaker respond in demand pacing?
• What does the second letter of NBG code indicate?
• What component creates the voltage in a pacemaker?
• What does a low resistance lead indicate?
• Which of the following can be a result of an insulation break?
• Impedance should remain stable over what period?
• Which situation can lead to underpacing?
• What does Ohm's Law indicate when impedance remains constant?
• Which of the following correctly describes voltage?
• Which type of single chamber system is considered the most common?
• What could happen to the pacing system if impedance shows a substantial increase?
• What does a triggered response in pacing mean?
• What is a characteristic feature of the transcatheter pacing system?
• Which of the following factors does NOT affect thresholds?
• Which lead fixation type involves tines?
• What is the primary function of the circuitry in a pacemaker?
• What is the mechanism of an active fixation lead?
• Which of the following statements is true regarding current in a pacing system?
• What is the synonym for impedance in electrical terms?
• What is the secondary goal of programming output for pacemakers?
• What type of lead would typically have a screw mechanism?
• What defines epicardial leads in pacing?
• What is the role of a ventricular lead in a pacing system?
• Which battery type is advisable for longer-lasting and high-power demands?
• What are the two types of lead insulators recognized in pacing?
• What is capture threshold?
• What screen can the voltage measurements be set on?
• What does the third letter of NGB code indicate?
• In which unit is voltage measured?
• What factors are used to calculate current from the atrial lead in a pacing report?
• How can you troubleshoot pacing lead issues effectively?
• The function of the cathode in pacing circuits is to:
• Which of the following best describes the role of voltage in pacing?
• Which of the following best characterizes the role of a pacemaker in managing cardiac rhythm?
• What does impedance refer to in electrical terminology?
• What is indicated by 'I' in the response to sensing codes?
• What are the three main components of electrical pacing?
• What does rate modulation mean in the context of pacemaking devices?
• How is current in a pacing system typically represented?
• Which advantage does a steroid eluting lead have compared to a non-steroid eluting lead?
• Where is the right atrial lead of a pacemaker typically placed?
• What is a key characteristic of a single chamber pacemaker?
• Is the Micra transcatheter pacing system (TPS) a fully self-contained pacemaker?
• What value of impedance indicates high impedance?
• Far field events can occur when:
• What would you expect to happen if a lead was fractured?
• Which of the following are commonly sensed unwanted signals by pacing devices?
• Which of the following is NOT a type of lead polarity?
• In the context of pacemakers, what does ‘underpacing’ refer to?
• In a pacemaker, what does the term "impedance" refer to?
• What are the two types of transvenous leads used in pacing?
• What is a typical clinical effect of oversensing in a patient with a pacemaker?
• In pacing terminology, what does ‘oversensing’ typically lead to?
• What are the two types of single chamber pacemakers?
• What does sensing refer to in pacemaker functionality?
• What is the relationship between voltage and current in a circuit with constant resistance?
• What is the primary function of voltage in an electrical circuit?
• What is a common issue with unipolar leads?
• What type of leads can be used in both transvenous and epicardial approaches?
• Which of the following is true regarding pacing leads?
• A high sensitivity number in pacing means:
• What does amplitude refer to in the context of pacing?
• What is the primary function of the leads in a cardiac pacing system?
• What are the different types of pacing leads?
• How can epicardial leads be fixed to the heart?
• What does a bipolar lead consist of?
• What is the role of resistance when measuring pacing performance?
• What does the letter 'O' represent in chamber pacing codes?
• Which letter is used to represent impedance in equations?
• What charge does the anode of a pacemaker lead have?
• What does a strength-duration curve plot represent?
• How does auto-adjusting sensitivity contribute to pacing?
• What does impedance refer to in electrical pacing?
• Why is knowledge of pulse width critical in pacing?
• Where is a right ventricular lead commonly implanted?
• What does a dual chamber response signify in pacing?
• What letter is commonly used to represent current in electrical equations?
• Which of the following is NOT part of the anatomy of a pacemaker lead?
• What is the most common composition of a pacemaker battery?
• What is the effect of high impedance in a pacing system?
• Which patients might benefit from a dual chamber pacemaker?
• How is current calculated in an electrical circuit?
• What can be a result of undersensing in pacing systems?
• What is a likely cause of high resistance in a pacing lead?
• What might be a consequence of high impedance in pacing leads?
• What happens to the impulse when pacing with a unipolar system?
• What is the main advantage of using adaptive sensitivity in pacemaker design?
• What is the typical impedance range for pacing leads?
• What happens during a paced event following an intrinsic atrial event in a dual chamber system?
• Which of the following could indicate a malfunctioning pacemaker due to undersensing?
• What does IPG stand for in the context of pacing devices?
• What aspect of a pacemaker is affected by programmed parameters?
• In a triple chamber pacing system, which lead is used to pace the left ventricle?
• What are the leads in a pacemaker responsible for?
• What is the pulse width in electrical pacing?
• What happens if a pacemaker has inadequate amplitude?
• What components are included in a dual chamber pacemaker system?
• True or False: Pacemakers sense cardiac depolarization by measuring electrical potential changes in myocardial cells between the anode and cathode.
• Myocardial capture is primarily determined by which factors?
• Which type of pacing system specifically offers support for both the atrium and ventricle?
• How do you fix low impedance or an insulation break?
• Which option best describes the effect of oversensing?
• What is the main role of the battery in a pacemaker?
• What is a lead crush?
• What is the primary function of a dual chamber pacing system?
• What indicates the rate modulation capability in NBG codes?
• Where is the current displayed on a pacemaker screen?
• What does impedance measure in a pacing system?
• Which part of the pacemaker is primarily responsible for pacing operations?
• What is the primary goal of programming outputs in pacing devices?
• What is another term often used interchangeably with voltage?
• What is the equation for Ohm's Law?
• Which of the following best describes the A in chamber sensed codes?
• According to Ohm's Law, what happens when voltage is constant and impedance decreases?
• What could a high pacing threshold indicate?
• Is current in a pacemaker programmable?
• How long does a battery usually last in a cardiac pacing device?
• What should the safety margin for strength duration be set to?
• What is the primary consequence of pacemaker undersensing?
• Which factor primarily determines capture strength in pacemakers?
• What would result in a low impedance situation?
• True or False: Capture is a function of amplitude and polarization.
• A low sensitivity number indicates:
• What does an inhibited response in pacing mean?
• What is a primary reason for the development of biocompatible materials in pacing leads?
• What is the potential outcome of oversensing in pacing systems?
• What is another name for the triple chamber pacing system?
• In which unit is impedance measured?
• What occurs during the lead maturation process after implantation?
• In pacing, impedance is defined as what?
• What would you expect to happen if a lead has an insulation break?
• Which factor does NOT affect current in a circuit?
• What is a key benefit of using silicone as a lead insulator?
• What does a 'D' represent in the response to sensing codes?
• True or False: Some pacemaker modules use auto-adjusting sensitivity that modifies the sensing threshold throughout the cardiac cycle.
• What is the significance of monitoring lead impedance?
• What creates a gradient across the anode and cathode in normal conduction?
• When current is said to be "measured," what is this measurement usually referring to?
• What percent change in impedance should raise concerns regarding a pacing lead?
• Voltage is equal to the current multiplied by which of the following?
• What does impedance refer to in electrical circuits?
• What is a possible solution for a lead crush?
• What is a unique feature of a unipolar lead compared to bipolar leads?
• What is the purpose of the NBG code?
• Which of the following is a factor that causes resistance?
• Which two parts make up a lead in a pacemaker?
• What primarily determines the amount of current flowing through a circuit?
• What does a CRT-P pacemaker do?
• What is the purpose of a pacemaker when it senses intrinsic heart activity?
• What characteristic of a pacemaker allows for patient adaptability during exercise?
• What must the amplitude of the impulse exceed to achieve myocardial capture?
• What does the first letter of the NBG code signify?
• When current is measured in a pacing device, which factor directly influences it?
• What happens when there is a lead conductor break or fracture?
• Where are the anode and cathode located on a unipolar lead?
• For which condition would a VVI pacemaker typically be used?
• Which statement best describes Ohm's Law?
• On which side of the body is a pacemaker generally implanted?
• High impedance is likely to result in which of the following?
• What does VVIR mode refer to in pacing?
• What type of pacing adjustment may occur with some pacemakers?
• How does the material of an electrode influence impedance?
• What is one potential effect of drugs on pacing thresholds?
• How does increased pacing delivered affect pacemaker battery life?
• In which unit is current measured?
• What happens when a pacemaker correctly senses a heartbeat?
• Which characteristic of electrodes can influence pacing effectiveness?
• How does a passive fixation lead secure itself?
• In a bipolar lead, where is the cathode located?
• Regarding pulse width, what must it achieve for effective myocardial capture?
• What charge does the cathode of a pacemaker lead have?
• Which lead type is known for potentially larger pacing artifacts on the ECG?