Logical ReasoningDifficulty: Easy

PT118 S4 Q5 Explanation

Rats fed high doses of

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

TopicsParadox

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Stimulus

Rats fed high doses of the artificial sweetener saccharin develop silicate crystals that are toxic to cells lining the bladder. When the cells regenerate, some are cancerous and form tumors. Unlike saccharin do not get bladder cancer.

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
5.

Which one of the following, if true, does the most to resolve the apparent discrepancy in

Answer choices

  1. Correct95% picked this

    Urine proteins that react with saccharin to form silicate crystals are found in rats but

    Why this is right

    Answer A is correct.

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

  2. Trap3% picked this

    Cells in the bladder regenerate more quickly in mice than they

  3. Trap1% picked this

    High doses of saccharin are much more likely to produce silicate crystals than

  4. Trap0% picked this

    The silicate crystals are toxic only to the cells lining the bladder and not to

  5. Trap1% picked this

    High doses of other artificial sweeteners have been shown to produce silicate crystals in mice

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