2313

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Author:
hoalan
ID:
173977
Filename:
2313
Updated:
2012-09-27 20:42:14
Tags:
4B1
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4B1
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  1. Which of the following states that the greater the stretch of the cardiac muscle cell, the greater
    the force of contraction.
    a. Bernoulli
    b. Doppler
    c. Frank-Starling
    d. Bernheim
    C
  2. The Frank-Starling law may also be referred to as the:
    a. length-tension relationship
    b. force-velocity relationship
    c. interval-strength relationship
    d. isovolumic contraction relationship
    A
  3. The word length in length-tension relationship refers to cardiac:
    a. diastole
    b. diastasis
    c. cell stretch
    d. systole
    C
  4. The word tension in length-tension relationship refers to cardiac:
    a. diastole
    b. diastasis
    c. contraction
    d. cell stretch
    C
  5. Which of the following terms is defined as the length the cardiac cell is stretched prior to the
    next cardiac contraction?
    a. afterload
    b. preload
    c. noload
    d. sumload
    B
  6. The pulmonary artery wedge pressure reflects:
    a. left atrial pressure
    b. right atrial pressure
    c. pulmonary artery pressure
    d. right ventricular pressure
    A
  7. The central venous pressure reflects the pressure in the:
    a. right atrium
    b. left atrium
    c. left ventricle
    d. pulmonary artery
    A
  8. What effect will an increase in preload have on the force of ventricular contraction?
    a. decrease
    b. increase
    c. no change
    d. cannot be predicted
    B
  9. All of the following will increase preload of the left heart except:
    a. aortic regurgitation
    b. mitral regurgitation
    c. patent ductus arteriosus
    d. aortic stenosis
    D
  10. All of the following conditions will increase right heart preload except:
    a. tricuspid regurgitation
    b. pulmonary regurgitation
    c. ventricular septal defect
    d. atrial septal defect
    C
  11. According to Starling's law of the heart, significant mitral regurgitation initially will have which
    effect on left ventricular performance?
    a. enhance
    b. decrease
    c. varies
    d. cannot be predicted
    A

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