LSAT 117 – Section 4 – Question 12

LSAT 117 - Section 4 - Question 12

October 2004

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT117 S4 Q12
+LR
Most strongly supported +MSS
Causal Reasoning +CausR
A
1%
154
B
1%
152
C
19%
158
D
80%
162
E
0%
151
127
142
157
 +Medium 147.423 +SubsectionMedium

Coffee and tea contain methylxanthines, which cause temporary increases in the natural production of vasopressin, a hormone produced by the pituitary gland. Vasopressin causes clumping of blood cells, and the clumping is more pronounced in women than in men. This is probably the explanation of the fact that women face as much as a tenfold higher risk than men do of complications following angioplasty, a technique used to clear clogged arteries.

Summary
Coffee and tea contain a substance (methylxanthines) that leads to temporary increases in the body’s production of vasopressin. Vasopressin causes clumping of blood cells, and this clumping is more pronounced in women than in men. Increased clumping of blood cells is probably why, compared to men, women have a significantly higher risk of complications following angioplasty, which is an operation for clearing clogged arteries.

Strongly Supported Conclusions
In at least one respect, coffee and tea may be more dangerous to women than to men.
Drinking excessive amounts of coffee or tea may lead to increased risk of complications following angioplasty.

A
Men, but not women, should be given methylxanthines prior to undergoing angioplasty.
Unsupported. We’re not given a reason anyone should be given methylxanthines ever. Maybe there’s nothing positive about methylxanthines.
B
In spite of the risks, angioplasty is the only effective treatment for clogged arteries.
Unsupported. We’re told angioplasty is one technique for unclogging arteries, but we don’t know whether there are any other techniques that could be effective.
C
Women probably drink more coffee and tea, on average, than do men.
Unsupported. The stimulus tells us about the effects of coffee and tea, but not about the number or proportion of men or women who drink coffee and tea.
D
Prior to undergoing angioplasty, women should avoid coffee and tea.
Strongly supported. Women face a higher risk of complications following angioplasty because clumping of blood cells is more pronounced in their bodies. Since coffee/tea increase substances that lead to clumping, there’s reason for women to avoid coffee/tea before angioplasty.
E
Angioplasty should not be used to treat clogged arteries.
Unsupported. Angioplasty may lead to complications, but that doesn’t imply that the technique is not worth the risk of complications.

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LSAT PrepTest 117 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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