EKG practice exam Questions with already verified answers

EKG practice exam Questions with already verified answers A technician is preparing a patient for a 12-lead EKG. Which of the following is the correct placement for lead V4? A) The 5th intercostal space at the midclavicular line. B) The 4th intercostal space at the midaxillary line. C) The 5th intercostal space at the midaxillary line. D) The 4th intercostal space at the midclavicular line. The 5th intercostal space at the mid clavicle line The R-R internal on a patient's tracing has five large boxes. Which of the following is the patient's heart rate? A) 40/mm B) 60/mm C) 75/mm D) 85/mm 60/mm An EKG technician is about to perform an EKG on a 3-year old patient. Which of the following is an appropriate action for the technician to take before the procedure? A) Restrain the child B) Tell the child that the procedure won't hurt C) Ask the parent to hold the child during the procedure D) Ask the parents to step out of the room Tell the child that the procedure won't hurt A patient is experiencing a change of respiratory cycle and variations in Vagal tone. Which of the following irregularities does this indicate? A) Sinus arrest B) Sinus arrhythmia