Dysrhythmia Basic B Test Answers

The basic ECG Interpretation Practice Test is comprised of 20 questions. This practice test has an open-ended format, so the questions are designed to be answered to the best of one’s ability. It’s best to answer questions honestly and without referring to external references. After you have completed the practice test, you can edit your answers if you want to.

Adults’ hearts beat at a rate of about 72 beats per minute, and this is controlled by an excitatory and electrical conduction system. These electrical impulses are produced by the sinoatrial node, which is located on the posterior wall of the right atrium, just beneath the opening of the superior vena cava. The node is about three mm wide and a centimeter long.