NHA CET #4 Study QUESTIONS AND ANSWERS ALREADY PASSED

Which of the following leads look at the interventricular septum? - CORRECT ANS V1 and V2 A CET observes varying R-R invervals on a 2-year-old patient's EKG. Which of the following statements made by the CET would be correct? - CORRECT ANS "The irregularity is normal and is a result of respiration." A patient is experiencing a change of respiratory cycle and variations in vagal tone. Which of the following irregularities does this indicate? - CORRECT ANS Sinus arrhythmia A technician is performing an EKG in a hospital setting. The patient becomes unresponsive, stops breathing, and does not have a pulse. Which of the following would be the first appropriate step? - CORRECT ANS Start chest compressions See word - CORRECT ANS See word A patient presents alert and oriented, but an EKG technician finds that all the waveforms are negative in Lead 1. The technician should check the cable connections for which of the following limb electrodes? - CORRECT ANS Right arm and left arm An EKG technician detects a U wave, and the patient reports chest pain and discomfort. Which of the following is an appropriate action for the technician to take? - CORRECT ANS Notify the patient's physician An EKG is showing a rhythm that the EKG technician is not familiar with. Which of the following should be the technician's next step? - CORRECT ANS Verify proper lead placement Which of the following is the correct sensitivity setting to create an EKG standardization mark of 5 min? - CORRECT ANS 1/2 Which of the following activities should an EKG technician tell a patient to record in is Holter monitor diary? - CORRECT ANS Running The EKG technician is educating a patient on when she should push the event button while wearing a Holter monitor. Which of the following statements indicates the patient understanding? - CORRECT ANS "I will push the event button if I'm experiencing discomfort." Which of the following is the only calculating method available for both regular and irregular rhythms? - CORRECT ANS Six-second method During a stress test, an EKG technician notices the patient appears to be hyperventilating. Which of the following is an appropriate course of action for the technician? - CORRECT ANS Check the patient's respiratory rate. Which of the following sensitivity settings would produce a calibration box that measures 10mm tall? - CORRECT ANS 1 Which of the following methods for calculating a patient's heart rate from the EKG is correct? - CORRECT ANS Divide 1,500 by the number of boxes between two R waves. What is the correct order of a complete cardiac cycle in the normal heart? - CORRECT ANS P wave, QRS complex, and T wave While performing a stress test, the patient complains of dizziness. After stopping the test, which of the following actions should the CET take? - CORRECT ANS Notify the physician Which of the following describes the correct electrode placement for lead V5? - CORRECT ANS Anterior axillary line, 5th intercostal space