Download Certified EKG Technician (CET) Questions and Answers Rated A+ and more Exams Nursing in PDF only on Docsity!
Certified EKG Technician (CET)
Questions and Answers Rated A+
Which of the following lead groups represent Einthoven's Triangle? ✔✔Leads I, II, and III
A CET has performed an EKG on a patient. Which of the following actions by the CET would protect the patient's health information in accordance with HIPAA? ✔✔Hand-delivering the EKG to the patient's physician
Which of the following methods for calculating a patients heart rate from the EKG is correct? ✔✔Divide 1,500 by the number of small boxes between two R waves
Which of the following arteries is the preferred site for measuring heart rate in an adult patient after a stress test? ✔✔Radial
Which of the following rhythms is characterized by upright P waves, narrow QRS complexes, and a ventricular rate between 60 and 100/min? ✔✔Sinus rhythm
A technician is preparing a patient for a 12-lead EKG. Which of the following is the correct placement for lead V4? ✔✔The 5th intercostal space at the midclavicular line
What lead is created by the placement of the electrode located to the right of the patient's sternum at the 4th intercostal space? ✔✔V
While performing a treadmill stress test on a patient, the CET observes peaked, hyperacute, and broad-based T waves and convex ST segments. The CET should identify these findings as? ✔✔Signs of myocardial ischemia
Which of the following EKG changes is associated with myocardial injury? ✔✔ST segment elevation
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 folloing conditions? ✔✔Myocardial Infarction
The QRS complex is too tall to fit on the EKG paper. Which of the following actions should be taken by the EKG technician? ✔✔Change the gain control to 1/
Where should the EKG technician place the electrode for lead V5? ✔✔On the left anterior axillary line, horizontal to V
For a normal patient, which of the following describes the pattern of the anticipated QRS complex in V4? ✔✔Half positive, half negative
Which of the following signs should the EKG technician be concerned about in a patient undergoing stress testing? ✔✔Decreased heart rate
A myocardial infarction can often be detected by the presence of which of the following in an EKG tracing? ✔✔Pathologic Q waves
Which of the following symptoms would be cause for an EKG technician to stop a stress test? ✔✔Dizziness
Which of the following can cause sinus arrhythmia in children? ✔✔The respiration of the patient
Patients are restricted from doing which of the following while wearing a Holter monitor? ✔✔Taking a shower
A thin spike before the P waves indicates that the pacemaker has been implanted to pace which of the following? ✔✔Atria
Which of the following electrodes is used to create leads I, II, and aVR? ✔✔Right arm
In a normal patient, which of the following is the expected shape and direction of the P wave in lead II? ✔✔Rounded and upright
Which of the following heart blocks is the most serious? ✔✔Third-degree AV block
Which of the following is a reason that a patient should wear loose-fitting clothing wearing a Holter monitor? ✔✔To reduce artifacts
A CET observes varing R-R intervals on a 2 year old patient's EKG. Which of the following statements made by the CET would be correct? ✔✔The irregularity is normal and is a result of respiration
An EKG technician is asked to obtain a right-sided EKG on a patient with suspected acute myocardial infarction of the inferior wall. Which of the following leads is most sensitive and specific to right ventricular ischemia? ✔✔V4R
The R-R interval on a patient's tracing has 5 large boxes. Which of the following is the patient's heart rate? ✔✔60/min
Which of the following should the technician tell a patient to record in his Holter monitor diary? ✔✔Running
Where should the EKG technician place the electrodes for leads V7.V8,V9? ✔✔Evenly spaced on the back between the axillary line and the vertebral column at the 5th intercostal space
Which of the following is a cause for discontinuing a stress test? ✔✔ST segment elevation
Which of the following statements made by a new EKG technician regarding artifact demonstrates a knowledge deficit? ✔✔"Electrical interference on the EKG is not caused by cell phones."
Which lead is created between left arm and left leg? ✔✔Lead III
Which wave should the CET measure to evaluate for atrial enlargement? ✔✔P wave
An EKG technician should identify that which of the following is a symptom associated with bradycardia? ✔✔Cold and clammy skin
A patient has been ordered to wear a Holter monitor for 24 hours. Which of the following statements shows an understanding of home care instructions? ✔✔"I should record spontaneous symptoms unrelated to an activity."
If a EKG technician changes outlets to eliminate tracing artifact this means that the artifacts was caused by what? ✔✔60-cycle interference
In order for a EKG technician to control and regulate the output or height of EKG waveforms, they should use which control? ✔✔Sensitivity
Which of the following is the most appropriate site for taking the pulse of an infant? ✔✔Brachial artery
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? ✔✔Tell the child that the procedure won't hurt
An EKG technician notices that the wave forms are very close together and the patient has an unusually rapid heart rate. In order to spread out the tracing, the technician should change the paper speed to what? ✔✔50mm/second
A patient loses consciousness and on the EKG strip ventricular fibrillation (V-Fib) is seen. What should the EKG technician do first? ✔✔Call for help and begin CPR
In which of the following situation is it acceptable for a CET to share a patients protected health information? ✔✔An inquiry from the quality assurance office
For the 5-lead EKG, where should the red lead be placed? ✔✔Lower left torso
The EKG technician is educating a patient on when she should punch the event button while wearing a Holter monitor. What statement indicates the patient's understanding? ✔✔"I will push the button if I'm experiencing discomfort."
When applying a Holtor monitor, how many monitor leads are placed on the patient? ✔✔ 5
The physician has ordered a patient to wear a telemetry monitor at home. What statement from the patient indicates that further teaching is needed? ✔✔"If the leads come off I will reattached them"
Which of the leads look at the interventricular septum? ✔✔V1 and V
An EKG has a 2mm ST elevation in leads 1, AVL, V5 and V6. What type of infarction would be represented? ✔✔Lateral infarction
Which of the following abnormalities is associated with a large U waves on the EKG? ✔✔Decreased potassium level
During a stress test, an EKG technician notices the patient is appeared to be hyperventilating. Which of the following is an appropriate courses of action for the technician? ✔✔Check the patient's respiratory rate
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? ✔✔Notify the patient's physician
Which of the following is the most accurate site for measuring a patient's body temperature? ✔✔Rectum
Which of the following lead groups are bipolar leads? ✔✔Lead I, II, and III
When performing the EKG, a technician notices that none of the leads are giving a reading. Which limb should the technician check first to correct the problem? ✔✔Right leg
Repairs on an EKG machine should be performed by which of the following? ✔✔A laboratory technologist
A patient presents alert and oriented, but an EKG technician finds that all the waveforms are negative in lead I. The technician should check the cable connections for which of the following limb electrodes? ✔✔Right arm and left arm
Which of the following statements made by the EKG technician correctly prepares the patient for telemetry monitoring? ✔✔"You may clean the skin with an alcohol pad."
An EKG technician is working with a patient who has a below the knee amputation of the left leg. Where should the technician place right leg electrode? ✔✔On the lower right thigh
Which of the following is the correct section to measure the QRS complex? ✔✔Beginning of the Q wave to the end of the S wave
