London Core Review - Preview Questions Quiz Question Title * 1. Which of the following statements regarding the concept of the helical heart is true? Ventricular shortening occurs before narrowing The basal loop forms a “stiff outer shell” during systole The lengthening phase allows for passive filling of the ventricles The apical loop normally has a transverse orientation A spherical configuration allows for the most efficient contraction of the ventricle Page1 / 75 1% of survey complete. Next