2313

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Author:
hoalan
ID:
173986
Filename:
2313
Updated:
2012-09-27 21:15:13
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4C
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4C
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  1. Which of the following begins with the end of the
    electrocardiogram T wave and ends with the onset of the QRS complex?

    a. ventricular diastole

    b. atrial systole

    c. ventricular systole

    d. isovolumic relaxation
    A
  2. Which of the following are true statements concerning the
    cardiac valves during ventricular diastole?

    a. atrioventricular valves are open, semilunar valves are
    closed

    b. atrioventricular valves are closed, semilunar valves are
    open

    c. atrioventricular valves are open, semilunar valves are
    open

    d. atrioventricular valves are closed, semilunar valves are
    closed
    A
  3. All of the following are considered components of
    ventricular diastole except:

    a. rapid early filling

    b. diastasis

    c. atrial systole

    d. isovolumic contraction
    D
  4. Atrial systole is considered a part of:

    a. early diastolic filling

    b. diastasis

    c. mid-ventricular diastole

    d. late ventricular diastole
    D
  5. What percentage does atrial systole normally contribute to
    ventricular diastolic filling?

    a. 10%

    b. 30%

    c. 70%

    d. 90%
    B
  6. What percentage does rapid, early diastolic filling
    contribute to ventricular diastolic filling?

    a. 10%               

    b. 30%

    c. 70%

    d. 90%
    C
  7. The period of time between atrioventricular valve closure
    and semilunar valve opening is called:

    a.     rapid, early diastolic filling

    b.    diastasis

    c.     atrial systole

    d.    isovolumic contraction
    D
  8. Which of the following statements is
    true concerning isovolumic contraction?

    a.      
    atrioventricular valves are open, semilunar valves
    are closed

    b.      
    atrioventricular valves are closed, semilunar
    valves are open

    c.      
    atrioventricular valves are open, semilunar valves
    are open

    d.      
    atrioventricular valves are closed, semilunar
    valves are closed
    D
  9. During isovolumic contraction, the ventricular pressure
    is                                  and the ventricula rvolume is the                   

    a.      increased, decreased

    b.      increased, increased

    c.      increased, no change

    d.      varies, varies
    C
  10. Which component of the electrocardiogram
    tracing represents ventricular systole?

    a.   P wave

    b.   QRS complex to T wave

    c.   T wave to QRS complex

    d.   T wave to onset of P wave
    c
  11. Which of the following statements is true concerning the
    cardiac valves during systole?

    a.      atrioventricular valves are open, semilunar valves
    are closed

    b.      atrioventricular valves are closed, semilunar
    valves are open

    c.      atrioventricular valves are open, semilunar valves are open

    d.      atrioventricular valves are closed, semilunar valves are closed
    b
  12. The period of time between semilunar
    valve closure and atrioventricular valve opening

    a.      atrial systole

    b.      ventricular diastole

    c.      ventricular diastasis

    d.      isovolumic relaxation
    d
  13. Which of the following statements is true
    concerning isovolumic relaxation?

    a.  ventricular pressure and volume are increasing

    b. ventricular pressure and volume are decreasing

    c. ventricular pressure is increasing, ventricular
    volume is unchange

    d. ventricular pressure is decreasing, ventricular volume
    is unchanged
    d

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