LSAT 108 – Section 2 – Question 04

LSAT 108 - Section 2 - Question 04

February 2000

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT108 S2 Q04
+LR
Resolve reconcile or explain +RRE
A
1%
154
B
4%
158
C
15%
163
D
79%
167
E
1%
156
130
146
161
 +Medium 145.001 +SubsectionEasier

High cholesterol levels are highly correlated with cardiovascular disease. In the Italian town of Limone, however, each of the residents has had high cholesterol levels for many years, and yet they have not developed cardiovascular disease.

"Surprising" Phenomenon
Why are residents of Limone exempt from cardiovascular disease despite their high cholesterol levels?

Objective
A hypothesis explaining this condition must state a key difference between residents of Limone and other people with high cholesterol. That difference must protect Limone residents from cardiovascular disease, either because of a separate health factor or because Limone offers a small sample size.

A
Persons who come from families that have enjoyed great longevity tend not to develop cardiovascular disease.
This is not relevant because it is not stated whether families in Limone have enjoyed great longevity.
B
The stress and pollution found in large cities exacerbate existing cardiovascular disease, but there is little stress or pollution in Limone.
This would explain less severe cardiovascular disease in Limone, but not its total absence. It does not state that cardiovascular disease is caused by stress or pollution, only that those factors exacerbate it.
C
The residents of Limone have normal blood sugar levels, and very low blood sugar levels tend to cancel out the cardiovascular effects of a high cholesterol level.
This cardiovascular impact does not apply to Limone residents, so it cannot explain the absence of cardiovascular disease. Limone residents have normal blood sugar levels, but the effect described occurs only among people with very low blood sugar levels.
D
The residents of Limone inherited from common ancestors a blood protein that prevents vascular blockage, which is a cause of cardiovascular disease.
This difference between Limone residents and people in general can explain the absence of cardiovascular disease in Limone. Since Limone residents have a gene that prevents vascular blockage, they do not suffer from cardiovascular disease.
E
Olive oil is a staple of the diet in some parts of Italy, but unlike butter, olive oil is a monosaturated fat, and monosaturated fats do not contribute to cardiovascular disease.
This does not state that residents in these areas avoid fats like those in butter. It is possible they get similar fats from a different source, or that they consume high amounts of both butter and olive oil.

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LSAT PrepTest 108 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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