LSAT 138 – Section 2 – Question 10

LSAT 138 - Section 2 - Question 10

December 2012

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT138 S2 Q10
+LR
Most strongly supported +MSS
Conditional Reasoning +CondR
A
4%
161
B
12%
161
C
63%
166
D
4%
158
E
17%
160
146
158
170
 +Harder 147.395 +SubsectionMedium

People who are allergic to cats are actually allergic to certain proteins found in the animals’ skin secretions and saliva; which particular proteins are responsible, however, varies from allergy sufferer to allergy sufferer. Since all cats shed skin and spread saliva around their environment, there is no such thing as a cat incapable of provoking allergic reactions, although it is common for a given cat to cause an allergic reaction in some—but not all—people who are allergic to cats.

Summary
People with cat allergies are allergic to certain proteins in a cat’s skin secretions and saliva. It depends on the allergy sufferer which proteins are responsible for an allergic reaction. There is no such thing as a cat incapable of provoking allergic reactions, because all cats shed skin and spread saliva around the environment. However, it is common for a single cat to cause an allergic reaction in some people and not all people allergic to cats.

Strongly Supported Conclusions
Different cats have different proteins in their skin secretions and saliva.

A
Any particular individual will be allergic to some breeds of cat but not to others.
This answer is unsupported. The stimulus is limited to people with cat allergies. We cannot say that all individuals have cat allergies based on the stimulus.
B
No cat is capable of causing an allergic reaction in all types of allergy sufferers.
This answer is unsupported. We only know from the stimulus that it is common for a single cat to cause allergic reactions in some people but not others. There could be a cat in existence that can cause a reaction in all cat allergy sufferers.
C
Not all cats are identical with respect to the proteins contained in their skin secretions and saliva.
This answer is strongly supported. If it’s common for some cats to cause allergic reactions in some people but not all people, then cats must differ in their allergy-causing proteins.
D
The allergic reactions of some people who are allergic to cats are more intense than the allergic reactions of other allergy sufferers.
This answer is unsupported. We don’t know from the stimulus how intense an allergic reaction from a cat could be.
E
There is no way to predict whether a given cat will produce an allergic reaction in a particular allergy sufferer.
This answer is unsupported. If we know what proteins a particular person is allergic to and what proteins a particular cat secretes, it could be possible to predict an allergic reaction.

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LSAT PrepTest 138 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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