Logical ReasoningDifficulty: Easy

PT117 S4 Q25 Explanation

A certain medication that is

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsParadox

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Stimulus

A certain medication that is frequently prescribed to lower a patient’s cholesterol level is generally effective. A recent study of 1,000 subjects ranging widely in age indicates, however, that the cholesterol level of someone taking the medication is the average for that person’s age group.

What this question is testing

Paradox

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
25.

Which one of the following, if true, most helps to explain how both of the claims made above

Answer choices

  1. Trap1% picked this

    A recently developed cholesterol-lowering medication is more effective than the medication

  2. Trap2% picked this

    Another medication is prescribed to treat high cholesterol just as often as the medication

  3. Trap3% picked this

    In most cases, people with high cholesterol levels are not treated with drug therapy but are put

  4. Correct91% picked this

    The medication described above is usually prescribed only for people whose cholesterol level is at least 30 percent above the

    Why this is right

    Answer D is correct.

    Skill tested: Paradox · how this choice captures the argument's function is the move to repeat next time.

  5. Trap3% picked this

    Within the population as a whole, approximately the same number of people have relatively high cholesterol levels as

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