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Brain scans of people exposed to certain neurotoxins reveal [#permalink]
02 Apr 2006, 11:50
0% (00:00) correct
0% (00:00) wrong based on 0 sessions
Brain scans of people exposed to certain neurotoxins reveal brain damage identical to that found in people suffering from Parkinsonâ€™s disease. This fact shows not only that these neurotoxins cause this type of brain damage, but also that the brain damage itself causes Parkinsonâ€™s disease. Thus brain scans can be used to determine who is likely to develop Parkinsonâ€™s disease.
The argument contains which one of the following reasoning errors?
(A) It fails to establish that other methods that can be used to diagnose Parkinsonâ€™s disease are less accurate than brain scans.
(B) It overestimates the importance of early diagnosis in determining appropriate treatments for people suffering from Parkinsonâ€™s disease.
(C) It mistakes a correlation between the type of brain damage described and Parkinsonâ€™s disease for a causal relation between the two.
(D) It assumes that people would want to know as early as possible whether they were likely to develop Parkinsonâ€™s disease.
(E) It neglects to specify how the information provided by brain scans could be used either in treating Parkinsonâ€™s disease or in monitoring the progression of the disease.
A talks about other methods, which are irrelevant to this argument
B too is irrelevant, as the CR stem doesn't deal with early diagnosis
D is irrelevant, as the assumption that people would be interested in early diagnosis is neither mentioned nor implied
E is wrong, because the argument deals with Alzheimer's disease and not Parkinson's disease