NHA NOW EKG TECHNICIAN PRACTICE TEST/91 QUESTIONS AND ANSWERS (A+)

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 - √Answer>d. Gain Quiz :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 - √Answer>d. ClippersQuiz :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 - √Answer>a. 6 sec Quiz :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 - √Answer>b. Leads I, II, III Quiz :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 d. The electrodes will not re-adhere to the skin after being removed between tracings - √Answer>b. The electrodes will not conduct accurately after two EKG tracings Quiz :In which of the following locations should an EKG technician place the electrode for leavd V5? a. On the left midaxillary line, horizontal to lead V4 b. On the left anterior axillary line, horizontal to lead V4 c. On the left midclavicular line, fifth intercostal space d. On the right margin of the sternum, fourth intercostal space - √Answer>b. On the left anterior axillary line, horizontal to lead V4 Quiz :An EKG technician is working with a patient who has a below-the-knee amputationof the left leg. In which of the following locations should the technician place the right leg electrode? a. On the lower right foot b. On the lower right abdomen c. On the lower left torso d. On the lower right leg - √Answer>b. On the lower right abdomen Quiz :Which of the following methods should an EKG technician use to store electrodes when not in use? a. Loose in the EKG cart b. In a folded paper bag c. In an open plastic bag d. In the original, foil-lined packaging - √Answer>d. In the original, foil-lined packaging Quiz :A serial EKG tracing shows a rhythm that does not match the last tracing that the EKG technician performed. Which of the following actions should the technician take first? a. Connect the patient to a different EKG machine. b. Report the finding to the provider