LSAT 122 – Section 2 – Question 21

LSAT 122 - Section 2 - Question 21

June 2006

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Question QuickView	Type	Tags	Answer Choices	Curve	Question Difficulty	Psg/Game/S Difficulty	Explanation
PT122 S2 Q21	+LR	Must be false +MBF Causal Reasoning +CausR	A 4% 156 B 61% 166 C 12% 157 D 14% 159 E 9% 162	152 160 168	+Hardest	146.896 +SubsectionMedium

Since the sweetness of sugared beverages makes athletes more likely to drink them, they can be helpful in avoiding dehydration. Furthermore, small amounts of sugar enhance the body’s absorption of water and delay muscle fatigue by maintaining the body’s glucose level. Still, one must use sugared beverages cautiously, for large amounts draw water from the blood to the stomach, thereby exacerbating the dehydration process.

Summary

The sweetness of sugared beverages can be helpful in avoiding dehydration because it makes athletes more likely to drink the beverages.
Small amounts of sugar help the body absorb water.
Small amounts of sugar delay muscle fatigue by maintining body’s glucose level.
Large amounts of water take water from the blood to the stomach, which makes dehydration worse.

Notable Valid Inferences

There’s no clear inference to draw from the facts. I’d rely on process of elimination to identify which answer must be false.

Glucose is not the only type of sugar whose absence or scarcity in one’s diet causes muscle fatigue.

Could be true. We don’t know about other kinds of sugars besides glucose. So it could be true that other kinds of sugar can affect muscle fatigue.

Problems caused by dehydration are invariably exacerbated if substances that delay muscle fatigue are consumed.

Must be false. We know sugar is a subtance that delays muscle fatigue. And small amounts of sugar can help athletes avoid dehydration. So not all substances that delay muscle fatigue will “invariably” exacerbate dehydration problems.

Dehydrated athletes find beverages containing large amounts of sugar to be too sweet.

Could be true. We don’t know how dehydrated athletes find the taste of large amounts of sugar. They might think it’s too sweet.

Some situations that exacerbate the problems caused by muscle fatigue do not exacerbate those caused by dehydration.

Could be true. The stimulus doesn’t indicate anything about situations that exacerbate the problems of muscle fatigue. So it could be true that some situations that exacerbate muscle fatigue don’t exacerbate dehydration.

The rate at which the body absorbs water depends primarily on the amount of water already present in the blood.

Could be true. We don’t know the primary factor that affects water absorption rate of the body. So it could be true that the primary factor is the amount of water already present in the blood.

Cookie Cutter Review
(B) conditional negation, just like question 10 from this section. Also uses abstract and referential phrasing typically found in flaw questions.

LSAT 122 – Section 2 – Question 21

LSAT 122 - Section 2 - Question 21

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Review Results

LSAT PrepTest 122 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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