Free RCIS Electrophysiology Questions and Answers

Question 1

Which component of the cardiac conduction system is responsible for the intrinsic pacing of the heart?

Accepted Answer

Sinoatrial (SA) node

Answer

Atrioventricular (AV) node

Answer

Bundle of His

Answer

Purkinje fibers

Question 2

During an electrophysiology study, what is the purpose of programmed electrical stimulation (PES)?

Accepted Answer

To induce arrhythmias and evaluate the heart's electrical pathways

Answer

To measure the heart's response to exercise

Answer

To determine the duration of the refractory period

Answer

To assess the mechanical function of the heart valves

Question 3

What does a prolonged QT interval on an electrocardiogram (ECG) indicate?

Accepted Answer

Prolonged ventricular repolarization

Answer

Ventricular hypertrophy

Answer

Hyperkalemia

Answer

Sinus bradycardia

Question 4

Which medication is commonly used to terminate supraventricular tachycardia (SVT) during an electrophysiology study?

Accepted Answer

Adenosine

Answer

Lidocaine

Answer

Atropine

Answer

Amiodarone

Question 5

In an ECG, what does the P wave represent?

Accepted Answer

Atrial depolarization

Answer

Ventricular depolarization

Answer

Atrial repolarization

Answer

Ventricular repolarization