PrepTest 51, Section 3, Question 1
Studies have shown that treating certain illnesses with treatment X produces the same beneficial changes in patients' conditions as treating the same illnesses with treatment Y. Furthermore, treatment X is quicker and less expensive than treatment Y. Thus, in treating these illnesses, treatment X should be preferred to treatment Y.
Studies have shown that treating certain illnesses with treatment X produces the same beneficial changes in patients' conditions as treating the same illnesses with treatment Y. Furthermore, treatment X is quicker and less expensive than treatment Y. Thus, in treating these illnesses, treatment X should be preferred to treatment Y.
Studies have shown that treating certain illnesses with treatment X produces the same beneficial changes in patients' conditions as treating the same illnesses with treatment Y. Furthermore, treatment X is quicker and less expensive than treatment Y. Thus, in treating these illnesses, treatment X should be preferred to treatment Y.
Studies have shown that treating certain illnesses with treatment X produces the same beneficial changes in patients' conditions as treating the same illnesses with treatment Y. Furthermore, treatment X is quicker and less expensive than treatment Y. Thus, in treating these illnesses, treatment X should be preferred to treatment Y.
Which one of the following, if true, would most weaken the argument above?
Unlike treatment Y, treatment X has produced harmful side effects in laboratory animals.
There are other illnesses for which treatment Y is more effective than treatment X.
Until recently, treatment X was more expensive than treatment Y.
Treatment Y is prescribed more often by physicians than treatment X.
A third treatment, treatment Z, is even quicker and less expensive than treatment X.
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