CRAT exam 1|100 Questions with Verified Answers,100% CORRECT

CRAT exam 1|100 Questions with Verified Answers 1. When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12 views of the heart? A. 8 B. 10 C. 12 D. 24 - CORRECT ANSWER B.10 ...

CRAT exam 1|100 Questions with Verified Answers 1. When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12 views of the heart? A. 8 B. 10 C. 12 D. 24 - CORRECT ANSWER B.10 2. Segments and waveforms on an ECG would include all but which of the following? A. PR interval B. QRS complex C. TB wave D. QT interval - CORRECT ANSWER C. TB wave 3. In measuring ventricular regularity if there is no R wave what could be measured instead? A. P wave B. Q wave C. The Q and S wave junction D. S wave - CORRECT ANSWER Q and S wave junction 4. The parasympathetic nervous system would do which of the following? A. Slows is the patient's heart rate B. enhanced digestion C. Decreases the patient's blood pressure D. All of the above - CORRECT ANSWER D. All of the above 5. Which of the following protects the ventricles from the 400 through 600 erratic atrial impulses that occur during the atrial fibrillation? A. SA node B. Muscle tissue around the AV node C. AV node D. Muscle tissue on the SA node - CORRECT ANSWER C. AV node 6. Generally, there is no treatment necessary for bradycardia unless the patient shows symptoms of which of the following? A. Decreased cardiac output B. Excessive output C. Non-existing cardiac output D. All of the above - CORRECT ANSWER A. Decreasing cardiac output 7. Which of the following types of permanent pacing requires cardiac surgery to place wires? A. Transcutaneous pacing B. Epicardial pacing C. Transvenous pacing D. Defibrillator pacing - CORRECT ANSWER B. Epicardial pacing 8. If the contact on an electrode is not conducting well or the placement is wrong which of the following could occur? A. Arrhythmia B. Electric shock C. Bradycardia D.wandering baseline - CORRECT ANSWER D. Wandering baseline 9. Which of the following is most common ECG electrode misconnection or reversal? A. Arm/leg reversal B. Right arm/left arm C. Left leg/right leg D. Left arm/left leg - CORRECT ANSWER B. Right arm, left arm 10. When interpreting a cardiac rhythm strip, all of the following would be considered steps except? A. Checking the position of the P wave B. Determining the rate of the rhythm and if it's normal or abnormal C. Determining the age of the patient D. Evaluating if the rhythm is regular or irregular - CORRECT ANSWER C. Determining the patient's age 11. Accelerated junctional rhythm is only significant if the patient is showing signs of which of the following? A. Decreasing cardiac output B. Sinus arrest C. Increasing urine output D. Hypertension - CORRECT ANSWER A . Decreasing cardiac output 12. Sinus rhythm is the pacemaker action from which of the following? A. Junctional tissue B. SA node C. Purkinje fibers D. AV node - CORRECT ANSWER B. SA node 13. Which of the following is a typical maximum length of a PR interval? A. .12 sec B. .20 sec C. .24 sec D. .30sec - CORRECT ANSWER B. .20 sec 14. A pediatric patient will have shorter PR interval which of the following reasons? A. Children have lower metabolic needs B. Children have smaller ventricular size C. Children's heartbeats slower D. Children's PR interval's are measured differently - CORRECT ANSWER B. Children have a smaller ventricular size 15. Which of the following is represented in the above rhythm strip? A. Atrial tachycardia B. Sinus rhythm C. Junctional tachycardia D. Ventricular fibrillation - CORRECT ANSWER C. Junctional tachycardia 16. Which of the following or artifact results from electrical equipment, mobile telephones, and electric power lines? A. Somatic Tremors B. Alternating current interference C. Electromagnetic interference D. Wandering baseline - CORRECT ANSWER C. Electromagnetic interference 17. And the 1500 method of calculating atrial rates, The technician should count which of the following? A. P-wave B. Squares between two waves C. R waves D. Squares between two consecutive R waves - CORRECT ANSWER D. Squares between two consecutive P waves 18. Resulting from the blood volume in the ventricles at the end of the diastole the passive stretching of the muscle fibers in the ventricle is called which of the following? A. Systole B. Preload C. After load D. Contractility - CORRECT ANSWER B. Preload 19. Which of the following would not be considered a patient area of education? A. Restoration of health B. Maintenance and promotions C. Coping with new illness D. Providing financial counseling - CORRECT ANSWER D. Providing financial counseling 20. A. Beta- adrenergic blockers B. Digoxin C. Amiodarone D. NSAIDs - CORRECT ANSWER D. NSAIDs 21. Generally, the chest leads are oriented through which of the following to protect through the patients back? A. SA node B. Ventricles C. Chest D. AV node - CORRECT ANSWER D. AV node 22. Which of the following acts as a safety net to prevent the ventricles from going into stand still? A. Idioventricular rhythms B. Premature ventricular contraction C. Ventricular arrhythmias D. Junctional arrhythmias - CORRECT ANSWER A. Idioventricular rhythms 23. When setting up limp leads and placing them an equal distance from the heart, it is typically known as which of the following? A. Einstein Rosin bridge B. Schrodinger's Square C. Eindhoven's triangle D. Ohms laws - CORRECT ANSWER C. Eindhoven's triangle 24. Standards of conduct or behave as defined by your Professor and place of employment are known as which of the following? A. Code of ethics B. Legalities C. Regulations D. Rules - CORRECT ANSWER A. Code of ethics 25. Sinus tachycardia occurs in approximately what percentage of patients following an acute myocardial infarction? A. 50% B. 40% C. 30% D. 20% - CORRECT ANSWER C. 30% 26. Which of the following types of sinoatrial does not appear on a rhythm strip? A. First degree B. Second-degree type 1 C. Second- degree type 2 D. Third- degree - CORRECT ANSWER A. First degree 27. If the above is observed by the ECG technician, which of the following would be considered correct? A. Inferior MI B. Anterior MI C. Lateral MI D. Septal MI - CORRECT ANSWER A. Inferior MI 28. The left atria in which of the following would be considered a chamber of the human heart? A. Right atria B. Right intrinsic C. Left intrinsic D. Left direct - CORRECT ANSWER A. Right atria 29. When evaluating pacemaker functions, the evidence seen when viewing the cardiac tracing on the heart monitor is known as which of the following? A. Electrical capture B. Pacing spike C. Mechanical capture D. Pacemaker rhythm - CORRECT ANSWER A. Electrical capture 30. When three or more PVC's happen in a row, it's considered a which of the following? A. Premature Ventricular contraction B. Ventricular escape beat C. Ventricular arrhythmias D. Ventricular tachycardia - CORRECT ANSWER D. Ventricular tachycardia - CORRECT ANSWER B. Sinus arrhythmia 32. Prolonged PR intervals are associated with which of the following? A. Conduction arrhythmia B. Conduction delays C. Pre-excitation syndrome's D. Speeding through the atria - CORRECT ANSWER B. Conduction delays 33. Short PR interval rules are associated with which of the following? A. Digoxin toxicity B. Heart block C. Pre- excitation syndromes D. Myocardial ischemia - CORRECT ANSWER C. Pre- excitation syndromes 34. Which of the following is the ECG equivalent of asystole? A. Missing the QRS complex B. Missing the PR interval C. Missing the T wave D. Flat line - CORRECT ANSWER B.flat line 35. Patient education objectives could include all of the following except? A. Decreasing the patient's quality of care B. Prevention C. Increasing patient satisfaction D. Empowerment - CORRECT ANSWER A. Decrease the patient quality of care 36. When performing a 12 lead EKG on a patient using a portable machine, the technician sees a red line appear on the bottom of the EKG paper. Which of the following would be considered the appropriate invention for the technician to do? A. Call a code blue B. Replace the EKG paper once the test is completed C. Send a machine for repair D. Re-calibrate the machine immediately and repeat the test - CORRECT ANSWER B. Replace the EKG paper once the test is completed 37. Add the following, which person typically monitors the test a patient's cardiac-vascular Performance using ECG equipment? A. Scrub nurse B. Certified nurse aide C. Electrocardiogram technician D. Director of nursing - CORRECT ANSWER C. Electrocardiogram technician 38. How many different types of electrical tachycardia are there? A. One B. Two C. Three D. Four - CORRECT ANSWER C. Three 39. Atrial flutter, multi focal atrial tachycardia, and Junctional tachycardia are examples of which of the following? A. Sinus arrest B. Supra ventricular tachycardia C. Sinus arrhythmia D. Sinus Pause - CORRECT ANSWER B. Supra ventricular tachycardia 40. Which of the following would be considered correct for the syndrome in which the sinus node isn't properly functioning? A. Junctional tachycardia B. Sick sinus syndrome C. Atrial fibrillation D. Asystole - CORRECT ANSWER B. Sick sinus syndrome 41. A patient with a re-current junctional tachycardia may be treated with which of the following? A. Temporary pacemaker B. Drug therapy C. Surgery D. Ablation therapy - CORRECT ANSWER D. Ablation therapy 42. The ECG is considered to be one of the fastest and simple ways to evaluate a patient's heart. Which of the following would be considered a good intervention after the ECG is recorded? A. Place in the medication section of the patient's chart B. Compared to prior reading C. Throw it in the secretary bin to file D. Place in the nurse manager box - CORRECT ANSWER B. Compared to prior reading 43. Which of the following might be indicated if a Q wave is deep and wide? A. Myocardial infarction B. Arrhythmias C. Electric shock D. Bradycardia - CORRECT ANSWER A. Myocardial infarction 44. Which of the following is represented on the above rhythm strip? A. Sinus arrest B. Asystole C. Sinus pause D. Fine ventricular fibrillation - CORRECT ANSWER B. Asystole 45. A. Atrial flutter B. Junctional arrhythmias C. Atrial fibrillation D. Premature junctional contraction - CORRECT ANSWER D. Premature Junctional contraction 46. SCD stands for which of the following? A. Sudden cardiac death B. Symptoms of cardiac disease C. Society of circulatory diseases D. Sessions of circumference death - CORRECT ANSWER A. Sudden cardiac death 47. Which of the following is not one of the causes of permanent atrioventricular blocks? A. Changes associated with aging B. Myocardial infarction C. Digoxin toxicity D. Cardiac surgery - CORRECT ANSWER C. Digoxin toxicity 48. Which of the following happens when the ventricles are in a diastole and the aortic valve is closed? A. Atrial diastole B. Coronary arteries fill C. Ventricular systole D. Myocardial infarction - CORRECT ANSWER B. Coronary arteries fill 49. Which of the following circumstances might sinus tachycardia be considered normal? A. If the patient is exercising B. If the patient is high stressed C. If the patient is sleeping D. Both A & B - CORRECT ANSWER D. Both A & B 50. In an 12 lead ECG, which of the following is the number of limb leads there are? A. 7 B. 6 C. 5 D. 3 - CORRECT ANSWER D. 3 51. According to OSHA standards, the use of which of the following is necessary in performing in ECG procedure safely? A. Body mechanics B. Standard precautions C. Isolation precautions D. All of the above - CORRECT ANSWER D. All of the above 52.A tract of tissue that extends into the ventricles next to the inter-ventricular septum is known as which of the following? A. Bundles branches B. HIS bundle C. Purkinje fibers D. Internodal tract - CORRECT ANSWER B. HIS bundle 53. The heart ability to stretch is known as which of the following? A. Elasticity B. Plasticity C. Contractility D. Mobility - CORRECT ANSWER C. Contractility 54. If the EKG technician has extra training and can be apply a Holter monitor for a patient, which of the following would be considered the first thing they should do? A. Connect the electrodes B. Educate the patient C. Go to the equipment D. Enter coding for procedure - CORRECT ANSWER B. Educate the patient 55. How would a compensatory pause be defined? A. If the technician is unable to identify the beats, they consider it a compensatory pause B. If the patient is experiencing brachycardia, but is asymptomatic C. There is not a pause that considered compensatory pause D. When the interval that is between normal beats contains premature ventricular contraction which is as large as to normal beats - CORRECT ANSWER D. When the interval is between normal beats contains a premature ventricular Contraction which is as large as to normal beats 56. The most Porten activity required for patient care in a medical facility is which of the following? A. Admitting B. Billing C. Communication D. Testing - CORRECT ANSWER C. Communication 57. Lied to would be considered a combination of which of the following? A. A, V4 B. 3 and V3 C. AVR and AVF D. 3 and AVR - CORRECT ANSWER C. AVR and AVF 58. One small box on the graph paper that is used for cardiac rhythms would equal ______ seconds? A. 0.04 B. 0.50 C. 0.10 D. 0.01 - CORRECT ANSWER A. 0.04 59. Of the following statements, which would not be considered "regarding a pacemaker" A. A pacemaker can be interval or external B. Pacemaker can only be external C. A interval pacemaker must be placed in surgery D. A pacemaker generates an impulse from a power source which is transmitted to the heart muscle - CORRECT ANSWER B. Pacemaker can only external 60. Dyspnea would be best described as which of the following? A. The Study of cardiology B. Shortness of breath C. Refers to the lungs D. A sudden drop in blood flow through a patient's body which causes the circulatory System to be unable to maintain an adequate blood flow - CORRECT ANSWER B. Shortness of breath 61. Artifact that occurs when the tracing drifts away from the center of the graph paper is known as which of the following? A. Somatic Tremors B. Wandering baseline C. Alternating current interference D. Interrupting baseline - CORRECT ANSWER B. Wandering baseline 62. Which of the following does the Q wave represent? A. Negative pulse of the atrial depolarization B. A lead that is off and up right chest C. The SA node is malfunctioning D. Initial negative pulse of ventricular depolarization - CORRECT ANSWER D. Initial negative pulse of ventricular depolarization 63. When there is no electrical activity occurring or there is too little activity, the waveform resembles a straight line and is called which of the following? A. Baseline B. Intrinsic waveform C. Straight line D. Isoelectric waveforms - CORRECT ANSWER D. Isoelectric waveforms 64. Which of the following is represented in the above rhythm strip? A. Atrial fibrillation B. B. Supra-ventricular tachycardia C. Ventricular fibrillation D. Atrial flutter - CORRECT ANSWER B. Supra-ventricular tachycardia 65. Of the following, which would be considered the appropriate term for individual that helps the patient seek information and resources? A. Nurses aide B. Nurse practitioner C. Nurse manager D. Patient advocate - CORRECT ANSWER D. Patient advocate 66. Which of the following might be considered predisposing factors for junctional rhythms? A. Diabetes mellitus B. Lupus erythematous C. Liver failure D. Uncommon factors - CORRECT ANSWER D. Uncommon factors 67. With the EKG, the voltage may be considered which of the following? A. Deflected B. Indirect C. Negative D. Posterior - CORRECT ANSWER C. Negative 68. Of the following which would not be considered a disease? A. Angina B. Diabetes mellitus C. Peripheral artery disease D. Osteoporosis - CORRECT ANSWER A. Angina 69. When would sinus tachycardia not be considered normal for patient? A. When exercising B. During a stress test C. When sleeping D. None of the above - CORRECT ANSWER C. When sleeping 70. Leads one and aVL are called which of the following because each has A positive electrode positioned on their left arm? A. Inferior leads B. Lateral leads C. Horizontal leads D. Positive leads - CORRECT ANSWER B. Lateral leads 71. The PR interval rules is measured on the _______ axis of electrocardiogram? A. Radial B. Vertical C. Horizontal D. Diagonal - CORRECT ANSWER C. Horizontal 72. Which of the following is not possible cause of wondering pacemaker? A. Increase vagal tone B. Digoxin toxicity C. Organic heart disease D. Lack of exercise - CORRECT ANSWER D. Lack of exercise 73. When assessing a rhythm strip for junctional tachycardia, the technician should look for a rate of which of the following? A. 60-80 B. 100-150 C. 100-200 D. 200-300 - CORRECT ANSWER C. 100-200 74. Which of the following pacemakers complications leads to pacemaker sending current to the heart during relaxation phase? A. Malfunctioning B. Malsensing C. Loss of capture D. Under sensing - CORRECT ANSWER B. Malsensing 75. Once patient education is complete, which of the following would be considered the next step in the process? A. Take a lunch break B. Quiz the other staff C. Document D. Notify the physician - CORRECT ANSWER C. Document 76. Prior to performing the ECG examination, the technician should do which of the following first? A. Verify physician orders B. greet the patient C. Set up equipment D. Take a break - CORRECT ANSWER A. Verify physician's orders 77. Which of the following may develop if the patient is spontaneous atrial activity leading to VVI pacemaker to not synchronize the ventricular activity with it? A. Myocardial infarction B. Asystole C. Bradycardia D. Tricuspid regurgitation - CORRECT ANSWER D. Tricuspid regurgitation 78. The space that is between two ways would be considered a? A. Square B. Waves C. Segment D. Complexes - CORRECT ANSWER C. Segment 79. If one idioventricular beat happens at a time, they are referred to as which of the following? A. Premature idioventricular contraction B. Ventricular escape beat C. Ventricular arrhythmias D. Junctional arrhythmias - CORRECT ANSWER B. Ventricular escape best 80. The lateral leads would be considered which of the following? A. 3 B. AVF C. 1 D. V2 - CORRECT ANSWER C. I 81. Which of the following causes the most cases of sudden cardiac death in people outside of hospital? A. Ventricular tachycardia B. Sinus arrest C. Ventricular fibrillation D. Torsades de pointes - CORRECT ANSWER C. Ventricular fibrillation 82. Prior to calling a physician, the ECG technician should be well prepared for any questions. All but which of the following would be correct for information they should know prior to calling? A. Know in the admitting diagnosis B. The patient insurance type C. Having all information available prior to calling the physician D. Reviewing the chart to determine the correct physician to call - CORRECT ANSWER B. The patient insurance type 83. Chess leads electrodes are always which of the following? A. Negative B. Neutral C. Positive D. Horizontal - CORRECT ANSWER C. Positive 84. An essential part of the patient care that is major IHPAA standard is which of the following? A. Empathy B. Confidentiality C. Respect D. Dignity - CORRECT ANSWER B. Confidentiality 85. If the physician presubscribes in Reading or in a electric health record for a patient, it would be considered which of the following? A. Lab results B. Nursing assessment C. Billing and coding D. Physician orders - CORRECT ANSWER D. Physician orders 86. When evaluating a QRS complex the technician should concentrate on the duration in which of the following? A. Location B. Amplitude C. Confidentiality D. Deflection - CORRECT ANSWER C. Confidentiality 87. Ventricular depolarization begins at the lining of ventricles and moves towards which of the following? A. Epicardium B. Endocardium C. Myocardium D. Ventricarduim - CORRECT ANSWER A. Epicardium 88. The T wave generally resembles which of the following on an ECG? A. A Tall spike B. A short spike C. A tall, broad hump D. A short, broad hump - CORRECT ANSWER D. A short, broad hump 89. Which of the following is not one of the causes of temporary atrioventricular blocks A. Myocardial infarction B. Cardiomyopathy C. Acute myocarditis D. Cardiac surgery - CORRECT ANSWER B. Cardiomyopathy 90. Which of the following is required for the heart to pump? A. Automaticity B. Excitability C. Contractility D. All of the above - CORRECT ANSWER D. All of the above 91. Which of the following is the term that refers to a wide spectrum of SA node abnormalities that are caused by disturbances in the way impulses are generated or the inability to conduct impulses to the atrium? A. Sinus arrest B. Sinus pause C. Sick sinus syndrome D. Sinus arrhythmia - CORRECT ANSWER C. Sick sinus syndrome 92. Of the following, which would consider unipolar leads? A. V3 B. 3 C. V1 D. Avl - CORRECT ANSWER D. AVL 93. Which of the following distinguishes atrial fibrillation on an EKG strip? A. Irregular ventricular respond and an absence of P waves B. Normal with him with a pronounced did you wave C. Inverted QRS complex and missing U wave D. Flatline - CORRECT ANSWER A. Irregular ventricular respond and an absence of P waves 94. Which of the following might be considered the most common legal claim that could be brought against a healthcare provider? A. Battery B. Slander C. Negligence D. Libel - CORRECT ANSWER C. Negligence 95. In regards to a temporary pacemaker, which of the following would be not considered correct? A. is powered by an alkaline battery B. Is implanted into the patient's chest C. Is connected to the lead wires which are inserted into the heart of the patient D. Is a small exterior box - CORRECT ANSWER B. Is implanted into the patients chest 96. Which of the following house is a battery, electronic circuitry for pacemaker settings, and a lead connector? A. Pacing Lead B. Pulse generator C. Single chamber D. Pacemaker spike - CORRECT ANSWER B. Pulse generator 97. From the start of the QRS to the finishing of the T-wave would be considered which of the following? A. PR interval B. QRS complex C. ST segment D. QT interval - CORRECT ANSWER D. QT interval 98. On the rhythm strip if there is a early beat showing randomly but most of the strip shows normal sinus rhythm, it is called which of the following? A. ECG B. ECHO C. P wave D. PJC - CORRECT ANSWER D. PJC 99. Of the following which supplies the most blood to the SA node? A. Right coronary artery B. Left coronary artery C. LAD D. The posterior descending artery - CORRECT ANSWER A. Right coronary artery 100. Of the following, which would be considered the most series of the heart blocks? A. First degree B. Second degree C. Weckebach D. Third- degree - CORRECT ANSWER D. Third degree