EP IBHRE misc UPDATED ACTUAL
Exam Questions and CORRECT Answers
Ohm's law expresses a relationship between voltage, current, and resistance as: - CORRECT
ANSWER - Voltage = Amps x Resistance (Impedance)
The property of an electronic circuit component through which current flows is proportional to
the applied voltage is known as: - CORRECT ANSWER - resistance
what term is equivalent to 1 J? - CORRECT ANSWER - WATT-SECOND
What is the most appropriate band pass setting for bipolar intracardiac electrogram recordings? -
CORRECT ANSWER - 40-500 Hz
A band-pass filter modifies incoming signals according to which unit of measure? - CORRECT
ANSWER - Hertz
In a circuit with resistance of 500 ohms and 600 ohms in parallel the resistance would be: -
CORRECT ANSWER - 1/Rt = 1/500 + 1/600
Rt = 273 ohms
what is the function of the coronary sinus? - CORRECT ANSWER - conduit to return
deoxygenated coronary blood to the right atrium
what constitutes the fibrous skeleton of the heart? - CORRECT ANSWER - Annuli of the
tricuspid, mitral, aortic, and pulmonary valves
what comprises the three sides of the triangle of Koch? - CORRECT ANSWER - 1.
Tendon of Todaro
,2. CS os
3. septal leaflet of tricuspid valve
the valve structure that separates the IVC from the tricuspid valve is referred to as: - CORRECT
ANSWER - Eustachian Valve
which coronary artery supplies blood to the SA node and the AV node in the majority of
patients? - CORRECT ANSWER - Right Coronary Artery
Anatomic structures surrounding the CS os include each of the following except:
- Crista Terminalis
- Tricuspid Annulus
- Eustachian Ridge
- Thebesian Valve - CORRECT ANSWER - crista terminalis
Generally, ablation of the area of the CS oc is used for: - CORRECT ANSWER - Slow
pathway ablation
Fast-pathway ablation is predictably in the: - CORRECT ANSWER - Anterior-Superior
aspect of the tricuspid valve, close to the HIS
Normal EF is in what range? - CORRECT ANSWER - 55-75%
The time from the MV closure until the opening of the aortic valve would be described as: -
CORRECT ANSWER - isovolumetric contraction
what term best describes the resistance that the heart must overcome to eject blood? - CORRECT
ANSWER - afterload
, After being started on antiarrhythmic therapy a patient reports that they have developed nausea,
vomiting, and diarrhea. Which of the following drugs is most commonly associated with these
side effects?
Digoxin
Verapamil
Procainamide
Quinidine - CORRECT ANSWER - Quinidine
A patient with known coronary artery disease, history of MI, EF 17%, and status post CABG,
presents with AF and frequent PVC's. Which drug would be contraindicated?
amiodarone
sotalol
digoxin
flecainide - CORRECT ANSWER - Flecainide
All of the following antiarrhythmics are used for the treatment of V arrhythmias. Which one has
NOT been shown to increast DFT?
amiodarone
sotalol
flecainide
quinidine - CORRECT ANSWER - sotalol
What effect does diltiazem have on the AVN? - CORRECT ANSWER - slows conduction
by blocking Calcium channels
What type of drug is Digitalis?
Exam Questions and CORRECT Answers
Ohm's law expresses a relationship between voltage, current, and resistance as: - CORRECT
ANSWER - Voltage = Amps x Resistance (Impedance)
The property of an electronic circuit component through which current flows is proportional to
the applied voltage is known as: - CORRECT ANSWER - resistance
what term is equivalent to 1 J? - CORRECT ANSWER - WATT-SECOND
What is the most appropriate band pass setting for bipolar intracardiac electrogram recordings? -
CORRECT ANSWER - 40-500 Hz
A band-pass filter modifies incoming signals according to which unit of measure? - CORRECT
ANSWER - Hertz
In a circuit with resistance of 500 ohms and 600 ohms in parallel the resistance would be: -
CORRECT ANSWER - 1/Rt = 1/500 + 1/600
Rt = 273 ohms
what is the function of the coronary sinus? - CORRECT ANSWER - conduit to return
deoxygenated coronary blood to the right atrium
what constitutes the fibrous skeleton of the heart? - CORRECT ANSWER - Annuli of the
tricuspid, mitral, aortic, and pulmonary valves
what comprises the three sides of the triangle of Koch? - CORRECT ANSWER - 1.
Tendon of Todaro
,2. CS os
3. septal leaflet of tricuspid valve
the valve structure that separates the IVC from the tricuspid valve is referred to as: - CORRECT
ANSWER - Eustachian Valve
which coronary artery supplies blood to the SA node and the AV node in the majority of
patients? - CORRECT ANSWER - Right Coronary Artery
Anatomic structures surrounding the CS os include each of the following except:
- Crista Terminalis
- Tricuspid Annulus
- Eustachian Ridge
- Thebesian Valve - CORRECT ANSWER - crista terminalis
Generally, ablation of the area of the CS oc is used for: - CORRECT ANSWER - Slow
pathway ablation
Fast-pathway ablation is predictably in the: - CORRECT ANSWER - Anterior-Superior
aspect of the tricuspid valve, close to the HIS
Normal EF is in what range? - CORRECT ANSWER - 55-75%
The time from the MV closure until the opening of the aortic valve would be described as: -
CORRECT ANSWER - isovolumetric contraction
what term best describes the resistance that the heart must overcome to eject blood? - CORRECT
ANSWER - afterload
, After being started on antiarrhythmic therapy a patient reports that they have developed nausea,
vomiting, and diarrhea. Which of the following drugs is most commonly associated with these
side effects?
Digoxin
Verapamil
Procainamide
Quinidine - CORRECT ANSWER - Quinidine
A patient with known coronary artery disease, history of MI, EF 17%, and status post CABG,
presents with AF and frequent PVC's. Which drug would be contraindicated?
amiodarone
sotalol
digoxin
flecainide - CORRECT ANSWER - Flecainide
All of the following antiarrhythmics are used for the treatment of V arrhythmias. Which one has
NOT been shown to increast DFT?
amiodarone
sotalol
flecainide
quinidine - CORRECT ANSWER - sotalol
What effect does diltiazem have on the AVN? - CORRECT ANSWER - slows conduction
by blocking Calcium channels
What type of drug is Digitalis?
