PrepTest 47, Section 3, Question 19
Although high cholesterol levels have been associated with the development of heart disease, many people with high cholesterol never develop heart disease, while many without high cholesterol do. Recently, above average concentrations of the blood particle lipoprotein(a) were found in the blood of many people whose heart disease was not attributable to other causes. Dietary changes that affect cholesterol levels have no effect on lipoprotein(a) levels. Hence, there is no reason for anyone to make dietary changes for the sake of preventing heart disease.
Although high cholesterol levels have been associated with the development of heart disease, many people with high cholesterol never develop heart disease, while many without high cholesterol do. Recently, above average concentrations of the blood particle lipoprotein(a) were found in the blood of many people whose heart disease was not attributable to other causes. Dietary changes that affect cholesterol levels have no effect on lipoprotein(a) levels. Hence, there is no reason for anyone to make dietary changes for the sake of preventing heart disease.
Although high cholesterol levels have been associated with the development of heart disease, many people with high cholesterol never develop heart disease, while many without high cholesterol do. Recently, above average concentrations of the blood particle lipoprotein(a) were found in the blood of many people whose heart disease was not attributable to other causes. Dietary changes that affect cholesterol levels have no effect on lipoprotein(a) levels. Hence, there is no reason for anyone to make dietary changes for the sake of preventing heart disease.
Although high cholesterol levels have been associated with the development of heart disease, many people with high cholesterol never develop heart disease, while many without high cholesterol do. Recently, above average concentrations of the blood particle lipoprotein(a) were found in the blood of many people whose heart disease was not attributable to other causes. Dietary changes that affect cholesterol levels have no effect on lipoprotein(a) levels. Hence, there is no reason for anyone to make dietary changes for the sake of preventing heart disease.
Which one of the following most accurately describes a flaw in the argument?
It fails to consider the possibility that lipoprotein(a) raises cholesterol levels.
It provides no evidence for a link between lipoprotein(a) and heart disease.
It presents but ignores evidence that, for some people, high cholesterol contributes to heart disease.
It fails to consider the possibility that poor diets cause some people to develop health problems other than heart disease.
It offers no explanation for why some people with high cholesterol levels never develop heart disease.
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