Related Quizzes
Take Another Quiz

Anatomy Of The Heart - ECG

12 Questions
Heart Anatomy Quizzes & Trivia

Anatomy of the Heart - ECG

Questions and Answers
  • 1. 
    The rapidly conducting fibers that supply the ventricles
    • A. 

      SA node

    • B. 

      AV node

    • C. 

      QRS complex

    • D. 

      Purkinje

    • E. 

      P-R interval

  • 2. 
    Phase of the cardiac impulse (action potential) that is due to the outflow (effux) of K+
    • A. 

      Repolarization

    • B. 

      Depolarization

    • C. 

      P wave

    • D. 

      T wave

    • E. 

      QRS complex

  • 3. 
    Part of the ECG that represents ventricular repolarization
    • A. 

      Purkinje

    • B. 

      SA node

    • C. 

      AV node

    • D. 

      P wave

    • E. 

      T wave

  • 4. 
    • A. 

      QRS complex

    • B. 

      AV node

    • C. 

      T wave

    • D. 

      P-R interval

    • E. 

      Depolarization

  • 5. 
    Part of the ECG that indicates atrial depolarization
    • A. 

      P wave

    • B. 

      T wave

    • C. 

      SA node

    • D. 

      AV node

    • E. 

      QRS complex

  • 6. 
    The semilunar valves open in response to
    • A. 

      Rising ventricular pressure during ventricular contraction

    • B. 

      Rising atrial pressure

    • C. 

      Rising pressure in the pulmonary artery and aorta

    • D. 

      Increasing oxygen saturation of the hemoglobin

  • 7. 
    The AV valves close in response to
    • A. 

      Rising ventricular pressure during ventricular contraction

    • B. 

      Rising atrial pressure

    • C. 

      Rising pressure in the pulmonary artery and aorta

    • D. 

      Increasing oxygen saturation of the hemoglobin

  • 8. 
    What is happening when the ventricles are filling?
    • A. 

      The semilunar valves are open

    • B. 

      The AV valves are closed

    • C. 

      The QRS complex is "happening"

    • D. 

      The ventricles are relaxed

  • 9. 
    Identify this: a quivering ventricular muscle that is unable to pump blood.
    • A. 

      Heart block

    • B. 

      Pericardial effusion

    • C. 

      Friction rub

    • D. 

      Fibrillation

  • 10. 
    A prolonged P-R interval means that
    • A. 

      Heart rate is too fast

    • B. 

      Heart rate is too slow

    • C. 

      The signal traveling from the atria to the ventricles is abnormally slow

    • D. 

      There is an ectopic focus

  • 11. 
    What is the cause of the heart sounds "lubb dupp"?
    • A. 

      Vibrations caused by closure of the valves

    • B. 

      Firing of the SA node

    • C. 

      Movement of blood through holes in the interventricular septum

    • D. 

      Flow of blood through the coronary blood vessels

  • 12. 
    Plasma elevations of CPK, AST, LDH, and troponin are indicative of
    • A. 

      Leaky valves

    • B. 

      Ventricular hypertrophy

    • C. 

      Damage of myocardial cells

    • D. 

      Pericardial effusion

Related Quizzes