EKG cert

EKG Cert Test Bank Already Rated A+ Which of the following waves should an EKG technician measure to evaluate for atrial depolarization? a. P wave b. S wave c. Q wave d. T wave Ans- a Which of the following EKG findings differentiates accelerated idioventricular rhythm from junctional rhythm? a. QRS duration b. Ventricular rate c. P wave direction d. QT interval Ans- a An EKG technician is evaluating a standard 12-lead EKG tracing during a recording. The technician should recognize that electrical activity of the septal wall is recorded by which of the following leads? a. V1 and V2 b.V3 and V4 c. V4 and V5 d. V5 and V6 Ans- a A technician is performing an EKG under the supervision of a physician on a patient who is experiencing supraventricular tachycardia. The paper speed is set to 50 mm/second.Which of the following actions should a technician take to ensure the best possible tracing? a. modify the speed control to 25 mm/sec b. continue recording the EKG at 500 mm/second t the artifact filter 40 Hz d. increase the gain to 20 mm/mv Ans- b In which of the following rhythms is the PR interval absent? a. sinus tachycardia b. first-degree heart block c. ventricular tachycardia d. atrial tachycardia Ans- c A technician is assisting with a stress test for a 50 year old male patient.Which of the following is the target hear rate for this patient? a. 100/ min b. 130/ min c. 170/min d. 220/min Ans- c A technician is asked to calculate a patient's heart rate from an EKG .which of the following methods is the most accurate for the technician to use? a. R-R method b. 1500 method c. 6-second method d. Sequence method Ans- b Which of the following portions of the EKG reading is created by an electrode that is placed on the 4th intercostal space of the left sternal border? a. V1 b. V2 c. V3 d. V4 Ans- b A technician is measuring a patient's pulse oximetry.Which of the following measurements should the technician use? a. oxygen saturation b. respiration c. arterial pressure d. hemoglobin Ans- a Standard EKG paper is sensitive to damaging effects from which of the following? a. heat b. cold c. artificial light d. darkness Ans- a Which of the following sinus rhythms has a heart rate of more than 100/min? a. sinus bradycardia b. normal sinus rhythm c. atrial fibrillation d. Sinus tachycardia Ans- d When placing electrodes for a Holter monitor on a patient, which of the following resources should a technician consult? a. the department standards b. the manufacturer's guide c. the material safety data sheet d. the physician's desk reference Ans- b A technician is preparing to perform an EKG on a patient who has dextrocardia. Which of the following actions should the technician take? A. reposition V3 to the right side of the chest at the right sternal border b. Reposition the precordial leads to the right side of the chest c. apply V1 to the right side of the chest at the right sternal border d. Apply the limb leads to the trunk of the body Ans- b Dyspnea reflects a change in which of the following vital signs? a. temperature b. respirations c. blood pressure d. pulse Ans- b A technician is verifying lead placement before beginning an EKG for a patient. The technician should recognize that the right leg electrode serves which of the following purposes? a. acts as a ground b. acts as an end point for lead II c. provides a horizontal plane view of the heart d. Augments the tracing for aVF Ans- a A technician must document which of the of the following information in a patient's electrode medical record regarding an EKG procedure? a. patient's emergency contact b. exam room location c. confirmation that the patient was NPO d. date and time of the EKG Ans- d Which of the following describes an atrioventricular paced rhythm? a. the pacemaker spikes are seen only before every P wave b. the pacemaker spikes are seen only before every QRS complex c. the pacemaker spikes are seen before every P wave and QRS complex d. The pacemaker spikes are seen before every T wave Ans- c A technician is performing a 12-lead EKG on a patient. The presence of deep or wide Q waves on the tracing should alert the technician to which of the following conditions? a. Second-degree AV block, Mobitz 1 b. Hyperkalemia c. Atrial fibrillation d.Myocardial infarction Ans- d On a 12-lead EKG, the 5th intercostal space, left midaxillary line is the location for which of the following electrodes? a. V3 b. V4 c. V5 d. V6 Ans- d Which of the following scenarios demonstrates an EKG technician's proper understanding of patient confidentiality? a. a tech tells his partner that he performed an ekg on their neighbor b. a tech places an EKG strip on top of the EKG machine in the hall c. a tech tells a patient's partner about a short run of ventricular tachycardia on the patient's strip d. a technician performing an EKG on a spanish- speaking patient asks another technician to translate for him Ans- d If present the shallow wave that follows the T wave represents which of the following? a. late ventricular repolarization b. late atrial depolarization c. Premature atrial repolarization d. Premature ventricular depolarization Ans- a A technician is monitoring a patient who is undergoing a stress test. The technician should collect which of the following data from the patient? a. blood glucose b. cardiac enzymes c. oxygen saturation d. pedal edema Ans- b A technician is assisting with an exercise stress test for an adult patient who goes into cardiac arrest.Which of the following actions should the technician take first? a. decrease the speed of the treadmill b. quickly retrieve the defibrillator c. lower the incline of the treadmill d. stop the test Ans- d Which of the following terms describes the ability of a pacemaker stimulus to successfully depolarize the heart chamber that is being paced? a. sensing b. threshold c. AV delay d. capture Ans- d Atrial conduction on an EKG is represented by which of the following? a. P wave b. T wave c. QRS complex d. U wave Ans- a Which of the following rhythms is commonly associated with an inverted P wave? a. ventricular b. atrial c. junctional d. sinus Ans- c An EKG technician receives a fax with a cover page that contains the statement "confidential and protected health information" on it. Protected health information is covered by which of the following acts? a. Health Insurance Portability and Accountability Act b. Patient Protection and Affordable care act c. No electronic theft act d. Electronic communications privacy act Ans- A A technician completes an EKG and notes that strip shows erratic spikes. Which of the following is the cause of this artifact? a. patient's skin was prepped poorly b. a radio is playing in the examination room c. the patient is cold and shivering d. a wire is detached Ans- b A technician is assisting with an exercise stress test. The technician notes depressed ST segments and tall peaked T waves. These findings indicate which of the following conditions? a. myocardial ischemia icular hypertrophy c. pulmonary embolism d. Hypokalemia Ans- a A technician can move a patient's bed away from the wall to help to resolve which of the following artifacts? a. wandering baseline b. alternating current interference c. somatic tremor d. interrupted baseline Ans- b A technician is monitoring a patient who is experiencing angina during a treadmill stress test. Which of the following actions should the technician take? a. reduce the speed of the treadmill b. Begin chest compressions on the patient c. calm the patient by asking him to take slow, deep breaths d. notify the provider of the patient's symptoms Ans- d Which of the following leads demonstrates indicative during an anterior wall myocardial infarction? A. V2 B. aVF C. aVL d.V6 Ans- A If an EKG machine paper speed is set to 50 mm/second,how many large boxes are present in a 6 second a. 30 b. 40 c. 50 d. 60 Ans- d The black lead on a 5-lead EKG is placed on which of the following? a. LL b. LA c. RA d. RL Ans- b Which of the following is the control on the EKG machine that increases or decreases the voltage of the tracing? a. speed b. gain volt d. input Ans- b