Premise: Lab tests and physician examination togeter diagnose disease.
The conclustion is denial to cover lab tests decrease medicare quality.
D) is obviously wrong. It's an opposite answer that weakens conclusion. It shows that lab tests are not needed ...
Physician examination and lab tests are two different methods in diagnosis. Lab tests are things like x-ray check, et scan etc that rely on equipments. You are consufusing the two.
A) is a easy one to pick that establishes the link between good quality medicacare and lab tests.
2. Modern physicians often employ laboratory tests, in addition to physical examinations, in order to diagnose diseases accurately. Insurance company regulations that deny coverage for certain laboratory tests therefore decrease the quality of medical care provided to patients.
This is support kind of question, when you are doing this kind of question, you have to be extremely careful that the support can be from %1 to %99. If it support very little, it still support.
Which one of the following is an assumption that would serve to justify the conclusion above?
(A) Physical examinations and the uncovered laboratory tests together provide a more accurate diagnosis of many diseases than do physical examinations alone.
If you negate this, this is absolutely weakening the conclusion. So, this should be the right answer.
(B) Many physicians generally oppose insurance company regulations that, in order to reduce costs, limit the use of laboratory tests.
Out of scope.
(C) Many patients who might benefit from the uncovered laboratory tests do not have any form of health insurance.
Out of scope
(D) There are some illnesses that experienced physicians can diagnose accurately from physicians examination alone.
This weaken the conclusion
(E) Laboratory tests are more costly to perform than are physical examinations.
Out of scope.
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