EKG certification Certification FREE EKG Certification Question and Answers 2

Question 1

A patient's EKG shows a regular rhythm with a rate of 150 bpm, narrow QRS complexes, and no visible P waves. What is the most likely rhythm?

Accepted Answer

Supraventricular tachycardia

Answer

Ventricular tachycardia

Answer

Atrial fibrillation

Answer

Sinus tachycardia

Question 2

Which EKG finding is most characteristic of hyperkalemia?

Accepted Answer

Peaked T waves

Answer

Prolonged QT interval

Answer

ST elevation

Answer

Delta waves

Question 3

In a 12-lead EKG, ST elevation in leads II, III, and aVF indicates ischemia in which coronary artery territory?

Accepted Answer

Right coronary artery

Answer

Left anterior descending

Answer

Left circumflex

Answer

Left main coronary artery

Question 4

What does a prolonged PR interval greater than 0.20 seconds on an EKG indicate?

Accepted Answer

First-degree AV block

Answer

Second-degree AV block Type I

Answer

Third-degree AV block

Answer

Bundle branch block

Question 5

Which EKG lead is best for evaluating atrial rhythm and identifying P waves?

Accepted Answer

Lead II

Answer

Lead aVR

Answer

Lead V1

Answer

Lead V6

Question 6

A wide QRS complex greater than 0.12 seconds with an RSR' pattern in lead V1 is characteristic of which condition?

Accepted Answer

Right bundle branch block

Answer

Left bundle branch block

Answer

Wolff-Parkinson-White syndrome

Answer

Ventricular tachycardia