EKG Practice Exam Qestions With 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. - Answer 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 - Answer 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 - Answer 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 C) Tachycardia D) Bradycardia - Answer Sinus arrhythmia Which of the following is the most appropriate site for taking the pulse of an infant? A) Brachial artery B) Carotid artery C) Radial artery D) Femoral artery - Answer Brachial artery While performing a stress test, the patient complains of heaviness on his chest and becomes diaphoretic. These are signs and symptoms of which of the following conditions? A) Transient Ischemic attack B) Cerebrovascular accident C) Congestive heart failure D) Myocardial infarction - Answer Myocardial infarction Which of the following is the correct sensitive setting to create an EKG standardization mark of 5/mm? A) ½ B) 1 C) 2 D) 1/4 - Answer 1/2 For a 5-lead EKG, where should the red lead be placed? A) Upper right shoulder B) Lower left torso C) Lower right torso D) Upper left shoulder - Answer Lower left torso Which of the following signs should the EKG technician be concerned about in a patient undergoing stress testing? A) Decreased heart rate B) Increased breathing rate C) Increased sweating D) Decreased premature beats - Answer Decreased heart rate Repairs on an EKG machine should be performed by which of the following? A) The EKG technician assigned to the machine B) The lead EKG technician C) A biomedical technologist D) A laboratory technologist - Answer A biomedical technologist The EKG technician is educating a patient on when she should push the event button while wearing a holster monitor. Which of the following statements indicates patients understanding? A) I will push the event button after finishing a job. B) I will push the event button if I'm experiencing discomfort C) I will push the event button after every meal D) I will push the event button before taking medication - Answer I will push the event button if I'm experiencing discomfort Which of the following statements made by the EKG technician correctly prepares the patient for telemetry monitoring? A) You may clean the skin with an alcohol pad B) You may feel a slight warming sensation after the electrodes are placed on the skin C) A mild rash or skin redness should be expected around the electrodes after 24 hours D) Electrodes will be replaced once a week while your are in the hospital - Answer You may clean the skin with with an alcohol pad Which of the following describes the correct electrodes placement for lead v5? A) Right of the sternum, 4th intercostal space B) Anterior axillary line, 5th intercostal space C) Left of the sternum, 4th intercostal space D) Midaxillary line, 5th intercostal space - Answer Anterior axillary line, 5th intercostal space Which of the following is the most accurate site for measuring a patients's body temperature ? A) Mouth B) Armpit C) Forehead D) Rectum - Answer Rectum A myocardial infarction can often be detected by the presence of which of the following in an EKG tracing? A) Minor p waves B) M-shaped p waves C) Physiologic q waves D) Pathologic q waves - Answer Pathological Q waves Which of the following can cause sinus arryhythmia in children? A) The respiration of the patient B) The decrease of oxygen to the patient's heart C) The patient's sinistral node is firing above 100/mm D) The patient's pacemaker - Answer The repiration of the patient For which patient would an EKG technician expect to see somatic interference on the EKG monitor? A) 60 year old woman sweating profusely B) 20 year old man seizing C) 10 year old boy watching tv D) 30 year old woman on her phone - Answer 20 yr old seizing Which of the following is a reason that a patient should wear loose fitting clothing while wearing a holter monitor? A) To reduce artifact B) To promote patient relaxation C) To widen the waveforms D) To minimize patient self consciousness - Answer To reduce artifact An EKG technician observes st segment depression and t wave inversion in multiple leads. Which of the following should the technician suspect? A) Myocardial infarction B) Myocardial injury C) Myocardial ischemia D) Heart block - Answer Myocardial ischemia Where should the EKG technician place the electrode for lead v5? A) On the left midaxillary horizontal to v4 B) On the left anterior line, horizontal to v4 C) On the left midclavicular line, 5th intercostal space D) On the right margin of the sternum, 4th intercostal space - Answer On the left anterior line, horizontal to v4 In order for an EKG technician to control and regulate the output or height of EKG waveforms, he/she should use which control? A) Speed B) Stylus C) Calibration D) Sensitivity - Answer Sensitivity