ECG TEST EXAM 2024/2025 WITH 100% CORRECT ANSWERS

Which of the following BEST describes universal and standard precautions? - correct answer Standard precaution conbine universal and body substance isolation

When might you be required to perform a 'stat' ECG? - correct answer When a patient has chest pains or changes in his or her cardiac rhythm

Telemedicine monitoring is generally used to evaluate which of the following? - correct answer Artificial pacemaker functioning

Which of the following is NOT a reason for performing an ECG? - correct answer reporting the blood pressure results of a stress test incorrectly resulting in a myocardial infarction to the patient

In addition to recording the ECG and preparing the report, an ECG technician must be able to: - correct answer Determine if the tracing is accurate and recognize if interference caused abnormalities during the recording process

On the ECG waveform, what is the beginning of the atrial depolarization to the beginning of the ventricular depolarization, or the time it takes the impulse to travel from the SA node to the AV node? - correct answer P R Interval

responsible for transporting blood to the lungs. - correct answer Pulmonary Veins

What is the state of cellular stimulation in the heart that causes it to contract? - correct answer Depolarization

Trace the pathway for the transport of blood during systemic circulation, starting with oxygenated blood from the lungs. - correct answer  Left atrium, mitral valve, left ventricle, aortic semilunar valve aorta, through the body, superior and inferior vena cava

The horizontal axis represent TIME - correct answer 1 mm=0.04 seconds 5 mm=0.2 second

The vertical represent VOLTAGE - correct answer horizontal measured in millivolts (1/1000 part of volt . But expressed in millimeters , 0.1m V=1mm

VERTICAL AXIS 1 small square - correct answer =1 mm (0.1mV

VERTICAL AXIS 1 Large square - correct answer =5 mm (0.5mV

VERTICAL AXIS 2 large square - correct answer -1mV