Logical Reasoning

PT149 · S4 · Q1 Dentist: I recommend brushing

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Dentist: I recommend brushing one's teeth after every meal to remove sugars that facilitate the growth of certain bacteria; these bacteria produce acid that dissolves minerals in tooth enamel, resulting in cavities.

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.

1.

Which one of the following, if true, would most help to reconcile the dentist's apparently paradoxical recommendations?

  1. A piece of chewing gum

    Trap

    5% picked this

  2. Tooth decay can be stopped

    Trap

    1% picked this

  3. Correct

    Chewing gum stimulates the production

    Why this is right

    Answer C is correct.

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

    92% picked this

  4. Sugars can be on teeth

    Trap

    1% picked this

  5. Chewing gum exercises and relaxes

    Trap

    0% picked this

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