PrepTest 50, Section 3, Question 17
A group of mountain climbers was studied to determine how they were affected by diminished oxygen in the air at high altitudes. As they climbed past 6,100 meters above sea level, the climbers slurred words, took longer to understand simple sentences, and demonstrated poor judgment. This combination of worsened performances disproves the theory that the area of the brain controlling speech is distinct from that controlling other functions.
A group of mountain climbers was studied to determine how they were affected by diminished oxygen in the air at high altitudes. As they climbed past 6,100 meters above sea level, the climbers slurred words, took longer to understand simple sentences, and demonstrated poor judgment. This combination of worsened performances disproves the theory that the area of the brain controlling speech is distinct from that controlling other functions.
A group of mountain climbers was studied to determine how they were affected by diminished oxygen in the air at high altitudes. As they climbed past 6,100 meters above sea level, the climbers slurred words, took longer to understand simple sentences, and demonstrated poor judgment. This combination of worsened performances disproves the theory that the area of the brain controlling speech is distinct from that controlling other functions.
A group of mountain climbers was studied to determine how they were affected by diminished oxygen in the air at high altitudes. As they climbed past 6,100 meters above sea level, the climbers slurred words, took longer to understand simple sentences, and demonstrated poor judgment. This combination of worsened performances disproves the theory that the area of the brain controlling speech is distinct from that controlling other functions.
The argument is most vulnerable to criticism on the grounds that it overlooks the possibility that
the climbers' performance in speech, comprehension, and reasoning was impaired because oxygen deprivation affected their entire brains
the climbers' performance in speech, comprehension, and reasoning was better than average before they were studied
the climbers showed different levels of impairment in their performance in speech, comprehension, and reasoning
some of the effects described were apparent just before the climbers reached 6,100 meters
many of the climbers had engaged in special training before the climb because they wanted to improve the efficiency with which their bodies use oxygen
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