CET Certification Exam Review 67 Questions with Verified Answers,100% CORRECT

CET Certification Exam Review 67 Questions with Verified Answers Where would you place electrodes on a patient with a left leg amputation?? - CORRECT ANSWER torso, trunk You notice small waves on the ECG< what could you do ? - CORRECT ANSWER increase size by increasing the gain The angle of louis reflects the location of the ___ - CORRECT ANSWER 2nd rib A patient with a wide QRS is at risk for - CORRECT ANSWER ventricular arrythmias The first step during the operation of an AED is - CORRECT ANSWER turn the AED ON You can reduce the presence of somatic tremor or artifact by - CORRECT ANSWER covering the patient How to identify Atrial Flutter - CORRECT ANSWER presence of sawtooth waves When applying the chest electrodes and the patient has large breasts, you shoul - CORRECT ANSWER ask the patient to lift the breast How many electrodes do you apply for a 12-lead ECG - CORRECT ANSWER 10 the best way to identify the patient is to - CORRECT ANSWER check the wrist ID band with the order, ask the patient name and DOB If someone like a friend or family member asks for a copy of the patient's ECG, what would be the best response - CORRECT ANSWER PT records are confidential(HIPAA) What is the significance of having the ECG in the EMR - CORRECT ANSWER (baseline)diagnostic test that can be used for comparison in the future How is the QT interval measured? - CORRECT ANSWER beginning of QRS to end of T wave ECG control that affects amplitude - CORRECT ANSWER the gain button You are applying electrodes for telemetry monitoring to a patient with sensitive skin,what should you do? - CORRECT ANSWER decrease pressure when abrading the skin During a stress test, you should observe the patient for? - CORRECT ANSWER fatigue and/or hyperventilation How do you identify atrial pacing? - CORRECT ANSWER a pacemaker spike followed by a P wave the ECG represents the - CORRECT ANSWER electrical activity of the heart You are calculating the heart rate using the 1500 method and counted 35 small boxes on the tracing, the heart rate is - CORRECT ANSWER 43 bradycardia Do not leave the EMR open to avoid - CORRECT ANSWER violation of the HIPAA law Dyspnea reflects which vital sign - CORRECT ANSWER respiration ST elevation indicates - CORRECT ANSWER acute myocardial infarct (current of injury)/ myocardial ischemia Other conditions that create ST elevation on the ECG - CORRECT ANSWER pericarditis, aneurysms You will place V3 on the right side of the chest if the patient has - CORRECT ANSWER dextrocardia The small box on the ECG paper when measuring horizontally is equal to - CORRECT ANSWER .04 s If the patient has excessive hair and you need to apply telemetry electrodes, you should - CORRECT ANSWER dry shave, clip hair On the ECG tracing, you can identify rhythm as sinus by - CORRECT ANSWER a positive small P wave To avoid loss of telemetry signal yo should - CORRECT ANSWER use new batteries Three monitoring has - CORRECT ANSWER three leads, I II III standard leads What is the first negative wave after the P wave - CORRECT ANSWER Q wave What does the P wave represent - CORRECT ANSWER Atrial depolarization What does a wide QRS and a heart rate of 20-40bpm mean? - CORRECT ANSWER ventricular rhythm (IVR) The standard speed of the paper is - CORRECT ANSWER 25mm/s What would you tell a patient who is going for a stress test - CORRECT ANSWER You might experience mild SOB and fatigue A patient wearing a HOLTER monitor needs to - CORRECT ANSWER record on a diary all activities and symptoms How do you identify a junctional rhythm - CORRECT ANSWER narrow QRS, absent or inverted P wave stress testing is contraindicated if - CORRECT ANSWER the patient is taking beta-blockers and therefore may not reach the target HR The following conditions are contraindicated for stress testing - CORRECT ANSWER abnormal heart rhythms, recent MI, unstable angina, pericarditis or myocarditis, uncontrolled HTN, severe AOS, aneurysm, thrombophlebitis, systemic or pulmonary embolism CHF, acute infection, psychosis, a change in the resting ECG normal PR interval is - CORRECT ANSWER .12- .20 sec normal QRS comples is - CORRECT ANSWER .06-.11 sec normal QT is - CORRECT ANSWER .36-.44 sec; varies with heart rate what is the HR when you have 35 small boxes on the ECG paper - CORRECT ANSWER 43bpm what does the T wave represent - CORRECT ANSWER ventricular repolarization V4 is placed at the - CORRECT ANSWER 5th intercostal space, midclavicular line with telemetry monitoring, electrodes are placed on - CORRECT ANSWER anterior chest or thorax how is the target rate calculated before stress testing - CORRECT ANSWER 220- AGE(years)=target HR A patient with Parkinsons disease will most likely exhibit what form of artifact - CORRECT ANSWER somatic tremor= due to muscle spasms what part of the cardiac cycle comes before QRS? - CORRECT ANSWER the PR Interval - PR segment is after P wave and before the QRS If you are performing a 12 lead ECG on a patient who had a mastectomy six months ago where would you place the electrodes - CORRECT ANSWER on the right side of the ECG how would you describe 2nd degree AV block, Type I - CORRECT ANSWER sinus P, progressive prolongation PR then one dropped QRS How do you prevent electrode crowding on a small child - CORRECT ANSWER place V3 on the right side of the chest if you have a 2 second time interval on the ECG paper what is the speed of the paper - CORRECT ANSWER 25mm/sec The normal calibration of the ECG paper is - CORRECT ANSWER 10mm or 1MV= two large boxes The augmented unipolar lead that produces a negative QRS is - CORRECT ANSWER aVR (p and t waves will be negative also) A QRS that measures less than 3 small boxes is - CORRECT ANSWER normal duration If lead I and AVL are no longer seen you would check the - CORRECT ANSWER left arm electrode A red line on the paper indicates - CORRECT ANSWER the end of the paper, prepare to replace it The location for V6 is - CORRECT ANSWER 5th intercostal space and midaxillary line telemetry monitoring usually requires - CORRECT ANSWER 5 electrodes what would be the result of applying dried out electrodes - CORRECT ANSWER a wandering baseline artifact on the ECG lead I measures - CORRECT ANSWER electrical activity from the right arm to the left arm 300 method for counting rate - CORRECT ANSWER # of large boxes divided by 300 posterior placement for V8 - CORRECT ANSWER left midscapular line if you need to control and regulate output or height on the ECG tracing - CORRECT ANSWER check sensitivity/gain Patient complains of dizziness during a stress test - CORRECT ANSWER stop stress test and notify MD patients need to document all they do while attached to a 24 hour - CORRECT ANSWER holter Monitor- ex running Precordial lead V4 has a QRS that is both - CORRECT ANSWER + and -A