PrepTest 125, Section 3, Question 22
Neurobiologists once believed that the workings of the(446 more words not shown)
Based on the passage, the(15 more words not shown)
- Acertainty that its(5 more words not shown)
- Boptimism about its(2 more words not shown)
- Capprehension about the(4 more words not shown)
- Dconcern that its(4 more words not shown)
- Eskepticism toward its(4 more words not shown)
Reading the passage
The ending lists disorders that targeted drugs might help treat. That sounds hopeful. But the writer says these drugs “could potentially help,” which leaves a real gap between a promising application and a guaranteed result.
Working the answers
- A
Possible benefits aren't certain benefits. The writer doesn't promise that these treatments will be achieved.
- BCorrect
Optimism about potential applications matches both parts of the tone: the discovery is medically promising, and the benefits remain possibilities.
- C
No concern about misuse appears.
- D
The writer doesn't warn that others are exaggerating the benefits. Qualifying a hopeful claim isn't the same as expressing concern about hype.
- E
The skepticism earlier in the text concerned how chemical binding could affect ion flow. The writer presents evidence answering that concern, then treats the final discovery as promising. That earlier skepticism isn't the author's attitude toward the discovery in question.
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