The application of positive pressure for patients with left ventricular failure is beneficial because of which of the following?
a. Increases venous return
b. Decreases preload to the heart
c. Increases afterload to the heart
d. Improves perfusion to the myocardium
ANS: B
The use of positive pressure in patients with left ventricular failure will reduce venous return and therefore reduce preload to the left ventricle.
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