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83,401 public questions across 1,329 topics. Challenge yourself, or build the perfect quiz for game night.

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Hard Medical

What is the term for air in the pleural cavity?

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Hard Medical

What enzyme breaks down alcohol in the liver?

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Intermediate Medical

What is an enlarged thyroid gland called?

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Intermediate Medical

Which gland in the brain produces melatonin?

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Intermediate Medical

What is a blood clot that travels through the bloodstream called?

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