FREE NTA ECG Basics Questions and Answers

Question 1

What does ECG stand for?

Accepted Answer

Electrocardiogram

Answer

An ECG is a test that measures the electrical activity of the heart to detect abnormalities.

Question 2

What is the primary purpose of an ECG?

Accepted Answer

To record electrical signals in the heart

Answer

ECGs detect electrical activity to assess heart health and diagnose issues like arrhythmias or ischemia.

Question 3

What do the P wave, QRS complex, and T wave represent in an ECG?

Accepted Answer

Electrical activity during different phases of the heartbeat

Answer

The P wave shows atrial depolarization, the QRS complex indicates ventricular depolarization, and the T wave reflects ventricular repolarization.

Question 4

Which of the following is the normal heart rate range shown in an ECG?

Accepted Answer

60–100 bpm

Answer

A normal resting heart rate for adults typically falls within this range.

Question 5

What does a prolonged QT interval indicate?

Accepted Answer

Increased risk of arrhythmias

Answer

A prolonged QT interval can signify an electrical imbalance, increasing the risk of life-threatening arrhythmias.

NTA - National Telemetry Association Practice Test