NHA NOW EKG Technician Practice Test,,(Questions & Answers) (Latest!)
Which of the following EKG machine functions should an EKG technician use to control and regulate the height of EKG waveforms on the tracing? a. Speed b. Output display c. Artifact filter d. Gain d. Gain Which of the following methods should a EKG technician use when removing hair from electrode placement sites for telemetry monitoring? a. Dry shave b. Wet shave c. Tape d. Clippers d. Clippers An EKG technician notes periods of sinus arrest on a patient's EKG tracing. The technician should consider the sinus arrest to be a medical emergency when the arrest reaches which of the following durations? a. 6 sec b. 4 sec c. 3 sec d. 1 sec a. 6 sec Which of the following lead groups are bipolar leads? a. Leads aVR, aVL, and aVF b. Leads I, II, and III c. Leads V1, V2, and V3 d. Leads V4, V5, and V6 b. Leads I, II, III An EKG technician is performing a second standard 12-lead EKG on a patient immediately following the first test. For which of the following reasons should the technician recognize that resting tab electrodes should not be used for more than two consecutive EKG tracings? a. The electrodes cannot conduct the signal after two EKG tracings b. The electrodes will not conduct accurately after two EKG tracings c. The electrodes need to be cleaned after two EKG tracings
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