EKG Final Examination(2)

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 EKG final examination(2)
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  • 1. 
    Hypotension is defined as:
    • A. 

      Systolic pressure above 150mm Hg and diastolic pressure above 90mm Hg

    • B. 

      Systolic pressure below 90mm Hg and diastolic pressure below 60mm Hg

    • C. 

      No measurable systolic pressure

    • D. 

      Systolic pressure of 129 mm Hg and diastolic pressure of 80mm Hg


  • 2. 
    P wave represents:
    • A. 

      Atrial depolarization

    • B. 

      Ventricular depolarization

    • C. 

      Ventricular repolarization

    • D. 

      None of the above


  • 3. 
    The descending aorta is a vessel in which type of circulation carries oxygenated blood:
    • A. 

      Pulmonary circulation

    • B. 

      Cerebral circulation

    • C. 

      Systemic circulation

    • D. 

      Myocardium circulation


  • 4. 
    T wave represnts:
    • A. 

      Atrial depolarization

    • B. 

      Ventricular depolarization

    • C. 

      Ventricular repolarization

    • D. 

      None of the above


  • 5. 
    The normal duration of the P-R interval is
    • A. 

      03-04 sec

    • B. 

      0.04-0.06 sec

    • C. 

      0.07-0.10 sec

    • D. 

      0.12-020 sec


  • 6. 
    The normal duration of the QRS complex is
    • A. 

      0.20-0.24 sec

    • B. 

      <0.12sec

    • C. 

      0.12-0.20 sec

    • D. 

      1-2 sec


  • 7. 
    If the R-R interval is 2 large squares, the heart rate is
    • A. 

      120 pm

    • B. 

      150 bpm

    • C. 

      60 bpm

    • D. 

      75 bpm


  • 8. 
    On the EKG large squares are covered in one second
    • A. 

      0.40 sec

    • B. 

      0.20 sec

    • C. 

      0.15 sec

    • D. 

      0.10 sec


  • 9. 
    A line between wave forms is called
    • A. 

      Wave form

    • B. 

      Interval

    • C. 

      Segment

    • D. 

      Complex


  • 10. 
    PR segment is
    • A. 

      Ventricular depolarization

    • B. 

      Atrial depolarization

    • C. 

      Depolarization of AV node and its delay and depolarization of Bundle of His and Bundle branches

    • D. 

      Atrial repolarization


  • 11. 
    The small squares horizontally on the EKG paper equal
    • A. 

      3mm

    • B. 

      0.20 sec

    • C. 

      0.04 sec

    • D. 

      5 sec


  • 12. 
    YQRS complex represents
    • A. 

      Septal depolarization

    • B. 

      AV depolarization

    • C. 

      Depolarization of the ventricles

    • D. 

      Depolarization of the atria


  • 13. 
    The number of R waves in six second strip is 10.what is the heart rate
    • A. 

      100

    • B. 

      70

    • C. 

      60

    • D. 

      90


  • 14. 
    Which of the following is not an EKG technician's responsibility during exercise electrocardiography:
    • A. 

      Administration of drugs

    • B. 

      Providing safety for patient

    • C. 

      Instructing the patient to report symptoms

    • D. 

      Monitoring the patients including blood pressure


  • 15. 
    In CPR what is the correct ratio of breaths to compressions:
    • A. 

      2 breaths to 15 compressions

    • B. 

      2 breaths to 30 compressions

    • C. 

      1 breath to 30 compressions

    • D. 

      1 breath to 15 compressions


  • 16. 
    The correct lead from the centre of the heart to the positive pole of the right arm is:
    • A. 

      II

    • B. 

      I

    • C. 

      AVR

    • D. 

      AVL


  • 17. 
    The correct lead for the 5th intercostals space,midixallary line on left side is:
    • A. 

      V1

    • B. 

      V3

    • C. 

      V4

    • D. 

      V6


  • 18. 
    The amount of blood pumped into the aorta each minute by the heart is
    • A. 

      Stroke volume

    • B. 

      Venous volume

    • C. 

      Cardiac output

    • D. 

      Ejection fraction


  • 19. 
    The ST segment is:
    • A. 

      Delay in atrioventricular node

    • B. 

      Ventricular depolarization

    • C. 

      Pause between ventricular depolarization and ventricular repolarization

    • D. 

      Atrial depolarization


  • 20. 
    Of the 12 leads,which are recorded by the EKG machine,the Bipolar leads are :
    • A. 

      Augmented limb leads

    • B. 

      Standard limb leads

    • C. 

      Chest leads

    • D. 

      Precordial leads


  • 21. 
    An ECG rhythm strip shows a ventricular rate of 112,rhythm,a P-R interval of 0.16 QRS duration of 0.08 seconds and one upright P wave before each QRS. this rhythm is:
    • A. 

      Normal sinus Rhythm

    • B. 

      Sinus Bradycardia

    • C. 

      Sinus Tachycardia

    • D. 

      First degree A-V Block


  • 22. 
    If there is one QRS complex every fourth large square on the EKG paper what is the heart rate
    • A. 

      100

    • B. 

      200

    • C. 

      75

    • D. 

      60


  • 23. 
    Myocardial Infarction occurs when blood flow to the heart muscle stops or is suddenly decreased long enough to cause cell death
    • A. 

      True

    • B. 

      False


  • 24. 
    Heart sound S2 is due to :
    • A. 

      Closure of AV

    • B. 

      Closure of crescent shaped valves

    • C. 

      Closure of papillary muscles


  • 25. 
    The valve which is located between the left atrium and the left ventricle is the:
    • A. 

      Bicuspid valve

    • B. 

      Aortic valve

    • C. 

      Tricuspid valve

    • D. 

      Pulmonary valve


  • 26. 
    The major intracellular ion is:
    • A. 

      Sodium

    • B. 

      Potassium

    • C. 

      Magnesium

    • D. 

      Calcium


  • 27. 
    The major extra cellular ion is:
    • A. 

      Sodium

    • B. 

      Potassium

    • C. 

      Magnesium

    • D. 

      Calcium


  • 28. 
    Pea stands for:

  • 29. 
    The sino atrial node is located in the:
    • A. 

      Right atrium

    • B. 

      Right ventricle

    • C. 

      Inter ventricular septum

    • D. 

      Purkinjee fiber


  • 30. 
    How many cardiac monitoring pads are utilized when obtaining a 12-lead EKG?
    • A. 

      10

    • B. 

      12


  • 31. 
    Ventricular diastole refers to ventricular
    • A. 

      Contraction

    • B. 

      Relaxation

    • C. 

      Filling time

    • D. 

      Pressure ratio


  • 32. 
    The left side of the heart is referred to as a high pressure
    • A. 

      True

    • B. 

      False


  • 33. 
    The course of blood flow through the heart and lungs is referred to as
    • A. 

      Aortic circulation.

    • B. 

      Pulmonary circulation

    • C. 

      Systemic circulation

    • D. 

      Mesenteric circulation


  • 34. 
    The heart chamber with the thickest mycardium is the:
    • A. 

      Right Ventricle

    • B. 

      Left Ventricle


  • 35. 
    ST segment depression indicates
    • A. 

      SubEndicardial type of Myocardial ischemia

    • B. 

      Coronaray artery block

    • C. 

      SubEpicardial Ischemia

    • D. 

      Ventricular hypertrophy


  • 36. 
    The normal cardiac cycle events are following except:
    • A. 

      Atrial contraction

    • B. 

      Ventricle relaxation

    • C. 

      Atrial fibrillation

    • D. 

      Ventricular contraction


  • 37. 
    One cardiac cycle occurs every
    • A. 

      0.8 sec

    • B. 

      0.5 sec

    • C. 

      0.52

    • D. 

      1.2


  • 38. 
    The major blood vessel that receives blood from the head and upper extremities and transports it to the heart is the:
    • A. 

      Aorta

    • B. 

      Superior vena cava

    • C. 

      Inferior vena cava

    • D. 

      Pulmonary artery


  • 39. 

    This tracing is an example of
    • A. 

      Atrial tachycardia

    • B. 

      Venticalar fibrillation

    • C. 

      Venticalar tachycardia

    • D. 

      Atrial fibrillation


  • 40. 

    The heart rate for this patient is approximately:
    • A. 

      270 bpm

    • B. 

      200 bpm

    • C. 

      420 bpm

    • D. 

      60 bpm


  • 41. 

    Using the 6 sec tracing above, choose the best answer that describes the rhythm.
    • A. 

      Atrial Tachycardia

    • B. 

      Atrial fibrillation

    • C. 

      Atrial flutter

    • D. 

      Ventricular fibrillation


  • 42. 

    The heart rate for this patient is approximately
    • A. 

      270 bpm

    • B. 

      200 bpm

    • C. 

      420 bpm

    • D. 

      60 bpm


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