EKG certification Certification FREE EKG Certification Trivia Question and Answers 3

Question 1

Which EKG pattern is most consistent with hyperkalemia?

Accepted Answer

Peaked T waves

Answer

Prolonged QT interval

Answer

ST elevation in contiguous leads

Answer

Deep Q waves

Question 2

What rhythm is indicated by a saw-tooth pattern of P waves at approximately 300 bpm with a regular ventricular rate?

Accepted Answer

Atrial flutter

Answer

Atrial fibrillation

Answer

Supraventricular tachycardia

Answer

Ventricular flutter

Question 3

In a third-degree (complete) heart block, what is the relationship between P waves and QRS complexes?

Accepted Answer

P waves and QRS complexes occur independently with no consistent relationship

Answer

Each P wave is followed by a QRS with a prolonged PR interval

Answer

P waves are absent entirely

Answer

Every other P wave is followed by a QRS complex

Question 4

ST elevation in leads II, III, and aVF most likely indicates ischemia in which coronary artery territory?

Accepted Answer

Right coronary artery

Answer

Left anterior descending artery

Answer

Left circumflex artery

Answer

Left main coronary artery

Question 5

What is the primary purpose of placing EKG electrodes in the V1–V6 precordial positions?

Accepted Answer

To visualize electrical activity in the horizontal plane of the heart

Answer

To measure the heart rate accurately

Answer

To detect only atrial arrhythmias

Answer

To assess the electrical axis in the frontal plane

Question 6

Which artifact on an EKG tracing is most commonly caused by patient shivering or muscle tremor?

Accepted Answer

Baseline wander with irregular high-frequency oscillations

Answer

Sixty-hertz interference

Answer

Wandering baseline from respiratory movement

Answer

Lead reversal pattern