Question ID:PT78 S1 Q11 Passage:Modest amounts of exercise can produce a dramatic improvement in cardiovascular health. One should exercise most days of the week, but one need only do the equivalent of half an hour of brisk walking on those days to obtain cardiovascular health benefits. More vigorous exercise is more effective, but a strenuous workout is not absolutely necessary. Stem:Which one of the following is most strongly supported by the statements above? Correct Answer Choice:AChoice A:Having a strenuous workout most days of the week can produce a dramatic improvement in cardiovascular health. Choice B:Doing the equivalent of an hour of brisk walking two or three times a week generally produces dramatic improvements in cardiovascular health. Choice C:It is possible to obtain at least as great an improvement in cardiovascular health from doing the equivalent of half an hour of brisk walking most days of the week as from having a strenuous workout most days of the week. Choice D:Aside from exercise, there is no way of improving one's cardiovascular health. Choice E:To obtain a dramatic improvement in one's cardiovascular health, one must exercise strenuously at least occasionally.