NHA EKG practice test exam questions & answers 2023/2024
NHA EKG practice test exam questions & answers 2023/2024 The EKG records the: - ANSWER-Electrical activity of the heart Electrodes are also referred to as: - ANSWER-Sensors Why would a physician request an exercise electrocardiography? - ANSWER-Previous symptoms of angina What is NOT the EKG technician's responsibility during an exercise electrocardiography? - ANSWER-Administration of drugs What is the normal running speed of the EKG paper? - ANSWER-25 mm/sec The small squares horizontally on the EKG paper equals: - ANSWER-.04 sec What does the vertical axis of the EKG paper measure? - ANSWER-Voltage/ amplitude How does the stylus mark the EKG paper? - ANSWER-Heat What is the normal sensitivity level for running an EKG? - ANSWER-1mv A normal standardization mark should measure: - ANSWER-10mm What checks the internal calibration of the EKG machine? - ANSWER-Standardization button (1mv button) How many electrodes are attached to the patient for holter monitoring? - ANSWER-5
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