What effect would an increase in venous return have on the stroke volume?
A) An increase in venous return would fill the ventricles with more blood, decreasing sarcomere length, which would decrease the stroke volume.
B) An increase in venous return would fill the ventricles with more blood, increasing sarcomere length, which would increase the stroke volume.
C) An increase in venous return would fill the ventricles with less blood, decreasing sarcomere length, which would increase the stroke volume.
D) An increase in venous return would fill the ventricles with less blood, decreasing sarcomere length, which would decrease the stroke volume.
E) An increase in venous return would fill the ventricles with less blood, increasing sarcomere length, which would decrease the stroke volume.
Answer: B
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