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 r...
ECG TEST EXAM 2023 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
HORIZONTAL AXIS 1 small square - correct answer =.04 sec (40msec
HORIZONTAL AXIS 1 large square - correct answer =2 sec (200 msec
HORIZONTAL AXIS 5 large square - correct answer =1 sec (1000 m sec
P wave is for the - correct answer SA node
after the P wave is - correct answer AV node
Q wave is - correct answer bundle branches
S wave is - correct answer purkinjie
T wave is - correct answer Dupp
Between the QS waves is - correct answer Lubb What is the J point and why is it used? - correct answer A point on the QRS complex where the depolarization is completed and repolarization starts
Which of the following BEST describes "excitability - correct answer The ability of the heart muscle cells
to responded to an impulse or stimulus
regarding pulmonary circulation? - correct answer Pulmonary circulation is the transportation of blood to and from the lungs, blood is oxygenated in the lungs during pulmonary circulation
coronary circulation? - correct answer Circulation of blood to and from the heart muscle
What does the isoelectric line of the ECG tracing indicate - correct answer No electrical activity
On the waveform, what does the QRS complex represent? - correct answer Ventricular depolarization and the resulting ventricular contraction
Which of the following parts of the conduction system conducts impulses down both sides of the interventricular septum - correct answer Bundle branches
Which two types of leads are unipolar (measure electrical activity in one direction only)? - correct answer Chest and augmented leads
When calculating heart rates, which method is the only one to use for irregular rhythms? - correct answer 6 second method
Which of the following is the correct label for the augmented lead that usually produces a negative deflection? - correct answer aVR
Which of the following is NOT a function of the ECG machine? - correct answer Validation of ECG interpretation What is the main difference between single- and multi-channel ECG machines? - correct answer The multi-channel ECG machine is able to record more than one lead tracing at a time
What is the most common output for a 12-lead ECG? - correct answer Printed format
At the normal paper speed, how much time do the five heavy lines on the ECG graph paper represent? - correct answer one second
Which of the following is NOT a consideration for handling and storing printed ECG's? - correct answer They require no special handling and can be stored for up to 50 years
What is the usual setting for the artifact filter to reduce artifact due to muscle tremor? - correct answer 40Hz
What part of the ECG machine serves as a receiving device for the input function? - correct answer sensors
Augmented leads are unipolar leads. Why are they called augmented leads? - correct answer The ECG machine increases the size of the tracing
Which control on the ECG regulates how fast or slow the paper runs during the procedure? - correct answer Speed control
What occurs during signal processing inside the ECG machine? - correct answer The electrical
How should you modify the ECG procedure for a pregnant patient? - correct answer Place the patient slightly on her left side and note the number of months of pregnancy on the ECG report
What is the ICD-9 code? - correct answer Diagnostic codes used to ensure reimbursement by the patient's insurance company
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