PrepTest 147, Section 2, Question 7
Passage A Muscle memory is a puzzling phenomenon.(487 more words not shown)
Passage A(295 more words not shown)
Passage B(200 more words not shown)
Which one of the following(11 more words not shown)
- Athe condition of(8 more words not shown)
- Bmuscles' adaptation to(1 more words not shown)
- Cthe percentage of(7 more words not shown)
- Dthe prevalence of(7 more words not shown)
- Ethe large amounts(6 more words not shown)
Reading the passage
The answer must pass two checks: B explicitly mentions it, and A does not. B's distinctive details include stem cells, nuclei, and the proteins that give muscles strength. A instead emphasizes nerve-cell recruitment and confidence.
Working the answers
- A
A discusses the muscles' condition when retraining begins, including the possibility of retaining greater force capacity despite seeming to start from the same place. This is not exclusive to B.
- B
Both discuss how muscles or the body change in response to exercise. The phrase is too broad to separate them.
- C
Percentages of recruited muscle fibers appear in A, not B.
- D
A explicitly comments on the scarcity of scientific discussions. This reverses the required comparison.
- ECorrect
B explains that large muscle cells need multiple nuclei to make the large amounts of proteins responsible for muscle strength. A mentions neither those proteins nor their production.
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