Logical ReasoningDifficulty: Medium

PT110 S2 Q19 Explanation

People should avoid taking the antacid

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

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Stimulus

People should avoid taking the antacid calcium carbonate in doses larger than half a gram, for despite its capacity to neutralize stomach acids, calcium carbonate can increase the calcium level in the blood and thus impair kidney function. Moreover, just half a of gastrin, a stomach hormone that triggers acid secretion.

What this question is testing

Most Supported

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
19.

Which one of the following is most strongly supported by the

Answer choices

  1. Trap2% picked this

    Cessation of gastrin production is a more effective method of controlling excess stomach acid than is direct

  2. Trap11% picked this

    People who avoid taking more than half a gram of calcium carbonate are less likely than average to

  3. Trap16% picked this

    Doses of calcium carbonate smaller than half a gram can reduce stomach acid more effectively than

  4. Correct70% picked this

    Half a gram of calcium carbonate can causally contribute to both the secretion and the

    Why this is right

    Answer D is correct.

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

  5. Trap1% picked this

    Impaired kidney function may increase the level of calcium in

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