01/27: NHA Module 2 CET with correct answers 100% 2026

01/27: NHA Module 2 CET with correct answers 100% 2026 Which of the following leads is located at the intersection of the midclavicular line and the fifth intercostal space for a standard 12-lead EKG? V2 V4 V5 V6 - Correct Answer V4 An EKG technician applies a pulse oximetry device to a patient who is undergoing a stress test. The pulse oximetry device provides information about which of the following test parameters? Oxygen saturation Cardiac output Respiratory rate Cardiac rhythm - Correct Answer Oxygen saturation An EKG technician is preparing to apply electrodes and leads for a patient who has a prescription for a Holter monitor. Which of the following actions should the technician take? Apply tape to lead wires. Ensure that lead wires are held in tension. Apply conductive gel to the electrode sites. Place the monitor in the patient's pants pocket. - Correct Answer Apply tape to lead wires. An EKG technician is preparing a patient who has Parkinson's disease for an EKG. Which of the following actions should the technician take to reduce artifacts associated with tremors caused by Parkinson's disease? Ask the patient to take slow, deep breaths. Raise the head of the bed to a semi-Fowler's position. Have the patient place their hands palms-down under their buttocks. Place a blanket over the patient. - Correct Answer Have the patient place their hands palms-down under their buttocks. Following best practices, how frequently should an EKG technician disinfect lead wires and clips? At the end of every shift After each use Once every hour Once weekly - Correct Answer After each use An EKG technician should recognize that which of the following changes to the settings of the EKG machine will double the height of the tracing it produces? 10 mm/mV 25 mm/second 20 mm/mV 50 mm/second - Correct Answer 20 mm/mV Which of the following is a type of continuous monitoring performed in an inpatient health care facility? Holter monitoring Telemetry monitoring Postsymptom event monitoring Loop-memory monitoring - Correct Answer Telemetry monitoring An EKG technician notes that the tracing on an EKG is drifting away from the center of the paper. The technician should recognize this as an example of which of the following artifacts? AC interference Somatic tremor Wandering baseline Interrupted baseline - Correct Answer Wandering baseline