2313

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Author:
hoalan
ID:
173978
Filename:
2313
Updated:
2012-09-27 20:45:55
Tags:
4B2
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Description:
4B2
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  1. Which of the following refers to the load production that the myocardium must produce during
    ventricular systole?
    a. force
    b. velocity
    c. preload
    d. systole
    A
  2. Which of the following terms refers to the rate of myocardial fiber shortening?
    a. force
    b. velocity
    c. preload
    d. systole
    B
  3. Force and velocity are
    a. porportional
    b. directly related
    c. inversely related
    d. unrelated
    C
  4. With an increase in force, the velocity of fiber shortening will:
    a. increase
    b. decrease
    c. varies
    d. cannot be predicted
    B
  5. With a decrease in force, the velocity of fiber shortening will:
    a. increase
    b. decrease
    c. remain unchanged
    d. cannot be determined
    A
  6. Which of the following terms refers to the resistance a ventricle faces during ejection?
    a. afterload
    b. velocity
    c. diastole
    d. systole
    A
  7. What effect will an increase in afterload have on myocardial force?
    a. increase
    b. decrease
    c. no change
    d. cannot be predicted
    A
  8. What effect will an increase in afterload have on myocardial fiber shortening velocity?
    a. increase
    b. decrease
    c. no change
    d. cannot be predicted
    B
  9. What effect will an increase of afterload have on cardiac performance?
    a. increase
    b. decrease
    c. no change
    d. undetermined
    B
  10. Which of the following statements is true concerning valvular aortic stenosis?
    a. increase in ventricular force, velocity and afterload
    b. decrease in ventricular force, velocity and afterload
    c. increase in ventricular force, decrease in velocity and an increase in afterload
    d. decrease in ventricular force, increase in velocity and an increase in afterload
    C

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