PrepTest 116, Section 4, Question 23
Most scientists who study the physiological effects of(447 more words not shown)
Which one of the following,(17 more words not shown)
- ASubjects who consumed(16 more words not shown)
- BSubjects who were(19 more words not shown)
- CSubjects who drank(14 more words not shown)
- DSubjects who drank(18 more words not shown)
- ESubjects who possess(22 more words not shown)
Reading the passage
We want to help the author's case that moderate wine consumption has apparently beneficial effects. The proposed explanation points toward compounds in grapes, so a finding about grape juice could matter too. Let's check whether the choices supply favorable evidence and put the change in the right direction.
Working the answers
- ACorrect
Decreased blood-vessel wall thickness is one of the effects the author presents as helpful. Finding the same change with grape juice would add another effect shared by wine and grape juice, alongside the existing platelet result. That makes the proposed role of grape compounds more plausible.
- B
Similar lipid levels don't give us a distinctive benefit for wine. This also wouldn't disprove every possible benefit, since the account discusses other factors besides lipid levels.
- C
Greater platelet adhesiveness is the wrong direction. The author treats a reduction as helpful. This result wouldn't reinforce the grape-juice finding already offered.
- D
Equal rates among heavy and moderate drinkers don't show that either group has a reduced risk. We lack a comparison establishing a benefit, and the result doesn't support the grape-compound explanation.
- E
This connects a gene with having the clot-breaking compound. The wine finding concerns increased activity of that compound. E doesn't show that wine or grapes produce that increase; possession and activity are different claims.
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