NHA Certified EKG Technician Practice test (solved)

Which of the following actions should an EKG technician take before storing EKG cables to prevent the transmission of microorganisms? correct answers Wipe the cables with disinfectant An EKG technician is preparing a patient for an exercise stress test. In which of the following locations should the technician place the RL electrode? correct answers Right Lower Abdomen The R-R interval on a patient's tracing has five large boxes. Which of the following is the patient's heart rate? correct answers 60 (300/5+60) An EKG technician is educating a patient on when to push the event button while wearing a Holter monitor. Which of the following statements indicates patient understanding? correct answers "I will push the event button if I'm experiencing dizziness" Which of the following is the maximum number of tracings that an EKG technician can obtain on the same patient using single set of disposable electrodes? correct answers A single set of disposable electrodes has enough adhesive for two tracings Which of the following can cause sinus arrhythmia? correct answers The patient's respirations since arrhythmia is characterized by a cyclic change in respirations An EKG technician is instructing a patient about a transtelephonic event monitor using a Heart Card monitoring device. To which of the following sites should the patient apply the card to activate it during an event? correct answers Over the middle to lower part of the sternum An EKG technician is administering an exercise stress test to a patient and notes the patient's heart rhythm shows a depressed ST segment. Which of the following actions should the technician take first? correct answers Discontinue the test and contact a provider An EKG technician should recognize that patients are restricted from performing which of the following activities while wearing a Holter monitor? correct answers Showering An EKG technician detects a U wave and the patient reports chest pain and discomfort. Which of the following actions should the technician take? correct answers Notify the patient's provider Which of the following is the most likely cause of the artifact in the tracing below? correct answers Electrical interference Which of the following is the order in which the EKG technician should document a patient's vital signs? correct answers Temperature, pulse, respirations, and blood pressure Which of the following actions should the EKG technician take to resolve a wandering baseline on a patient's EKG tracing? correct answers Relieve tension from the lead wires