LSAT 112 – Section 4 – Question 22

LSAT 112 - Section 4 - Question 22

December 2001

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT112 S4 Q22
+LR
+Exp
Most strongly supported +MSS
Causal Reasoning +CausR
Math +Math
A
2%
156
B
3%
157
C
2%
161
D
80%
168
E
13%
161
143
153
162
 +Harder 142.561 +SubsectionEasier

In a recent study, a group of subjects had their normal daily caloric intake increased by 25 percent. This increase was entirely in the form of alcohol. Another group of similar subjects had alcohol replace nonalcoholic sources of 25 percent of their normal daily caloric intake. All subjects gained body fat over the course of the study, and the amount of body fat gained was the same for both groups.

Summary
One group of subjects increased their daily caloric intake by 25 percent solely by consuming alcohol. Another group of subjects, instead of increasing their caloric intake, substituted 25 percent of their existing caloric intake solely by consuming alcohol. All subjects gained body fat, and the amount of body fat gained was the same for both groups.

Strongly Supported Conclusions
The number of calories a person consumes is not the only factor contributing to body fat gain.

A
Alcohol is metabolized more quickly by the body than are other foods or drinks.
This answer is unsupported. We don’t know from the stimulus how quickly alcohol is metabolized. Moreover, we don’t know from the stimulus how different rates of metabolization affect a person’s amount of body fat.
B
In the general population, alcohol is the primary cause of gains in body fat.
This answer is unsupported. We don’t know from the stimulus whether alcohol is the primary cause. We know that it may be a cause, but to say it is the primary cause is too strong.
C
An increased amount of body fat does not necessarily imply a weight gain.
This answer is unsupported. The stimulus does not mention the weight of any of the people in the groups. The stimulus solely focuses on amount of body fat, which may or may not correlate with weight gain.
D
Body fat gain is not dependent solely on the number of calories one consumes.
This answer is strongly supported. The first group increased their caloric intake and the second group’s caloric intake remained the same yet both groups gained body fat. Therefore, body fat gain is not dependent solely on a person’s caloric intake.
E
The proportion of calories from alcohol in a diet is more significant for body fat gain than are the total calories from alcohol.
This answer is anti-supported. Both groups in the stimulus gained the same amount of body fat.

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LSAT PrepTest 112 Explanations

Section 1 - Logical Reasoning

Section 2 - Reading Comprehension

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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