IBHRE(CEPs) Practice Exam With 100% Correct Answers.

Which of the following arrhythmias is typically treated with anti-tachycardia pacing (ATP) by an ICD? • A) Atrial fibrillation • B) Ventricular tachycardia • C) Sinus tachycardia • Answer: B) Ventricular tachycardia • Explanation: Anti-tachycardia pacing (ATP) is commonly used ...

What is the primary role of the SA node in cardiac function? • A) Initiates electrical impulses for heartbeat • B) Slows down heart rate • C) Regulates blood pressure • Answer: A) Initiates electrical impulses for heartbeat • Explanation: The SA node acts as the heart's natura...

What is the most likely consequence of prolonged QT interval on an ECG? • A) Atrial flutter • B) Torsades de Pointes • C) Sinus bradycardia • Answer: B) Torsades de Pointes • Explanation: A prolonged QT interval predisposes patients to Torsades de Pointes, a type of polymorphic...

What is the primary purpose of an electrophysiology study (EPS)? • A) To assess heart rate variability • B) To evaluate electrical conduction pathways and arrhythmias • C) To measure cardiac output • Answer: B) To evaluate electrical conduction pathways and arrhythmias • Explanat...

Which structure in the heart is primarily responsible for coordinating atrial contraction? • A) Sinoatrial node • B) Atrioventricular node • C) Bundle of His • Answer: A) Sinoatrial node • Explanation: The sinoatrial (SA) node is the primary pacemaker of the heart and initiates...

What does the term "sinus rhythm" refer to? • A) A regular heartbeat initiated by the AV node • B) A regular heartbeat initiated by the SA node • C) An irregular heartbeat with varying intervals • Answer: B) A regular heartbeat initiated by the SA node • Explanation: Sinus ...