Every patient who took Drug A recovered. Pat did not recover. Which follows?

A Pat took Drug A

B Drug A is ineffective

C Pat did not take Drug A

D No conclusion can be drawn

✓ Correct Answer: Option C

Contrapositive: If took Drug A → recovered. Not recovered → did not take Drug A. Pat did not recover, so Pat did not take Drug A.

💡 Why is C) the correct answer?

The correct answer to the question "Every patient who took Drug A recovered. Pat did not recover. Which follows?" is Option C: Pat did not take Drug A.

The other options — A) Pat took Drug A, B) Drug A is ineffective, D) No conclusion can be drawn — are incorrect for this General Knowledge question. As explained above: Contrapositive: If took Drug A → recovered. Not recovered → did not take Drug A. Pat did not recover, so Pat did not take Drug A.

📚 About This General Knowledge Practice Question

This 2-level General Knowledge question from the World History topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free General Knowledge practice test or use flashcards for spaced repetition review.

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Every patient who took Drug A recovered. Pat did not recover. Which follows?

✓ Correct Answer: Option C

📚 About This General Knowledge Practice Question

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