CRAT Bundled Exams 2024 with complete solutions

1. When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12 views of the heart? A. 8 B. 10 C. 12 D. 24 - Answer-B.10 2. Segments and waveforms on an ECG would include all but which of the following? A. PR interval B. QRS complex C. TB wave D. QT interv...

Cardiac Cycle - Answer-mechanical events that occur to pump blood Diastole - Answer-Ventricles Relax (Repolarize) and refills as Atria contracts Rapid Filling Phase - Answer-Atria dumping blood to ventricles; pressure causes AV valves to open Diastasis - Answer-slowing of blood flow; pressure of ...

Transtelephonic Monitoring - Answer-Transmitted over phone to a LICENSED practitioner to read (magnetic tape), Patients use up to 30 days Digital Monitoring - Answer-Transmitted over a computer where report is verified by a licensed practitioner Telemedicine monitoring is usually used to evaluat...

1. In addition to recording the ECG and preparing the report, an ECG technician must be able to: A. Determine if the tracing is accurate and recognize if interference causes abnormalities during the recording process. B. Evaluate tracing, recognize abnormal heart rhythms, and report abnormalities...

Normal PRI interval - Answer-0.12-0.20 Normal QRS interval - Answer-0.11 or less What does the P wave represent? - Answer-Atrial depolarization What does the QRS complex represent? - Answer-Atrial repolarization and ventricular depolarization Q wave indicates what? - Answer-Dead myocardial tissu...

A nursing home calls a cardiology office requesting that a transtelephonic pacemaker check be conducted on a new admission to the facility. The technician finds no medical record indicating that the patient has been followed by the practice. What is the technician's next step? - Answer-Contact t...

Pericardium - Answer-Outer protective double-layered sac surrounding the heart. Epicardium - Answer-Thin outermost layer of the heart, contains coronary arteries. Myocardium - Answer-Middle muscular layer of the heart, contains electrical system. Endocardium - Answer-Inner most layer of the heart...

Chronotropic - Answer-heart rate Inotropic - Answer-force of myocardial contractility Dromotropic - Answer-conduction velocity through the AV node Systole - Answer-contraction of chamber, blood is being ejected. Pressure rises during systole. Diastole - Answer-rest, relaxation of chamber, chambe...