Celiac disease is diagnosed by:

A Stool culture

B Serologic testing (tissue transglutaminase IgA antibodies) confirmed by duodenal biopsy showing villous atrophy

C Blood glucose test

D Chest X-ray

✓ Correct Answer: Option B

Celiac: autoimmune reaction to gluten. Screen: IgA anti-tTG (most sensitive/specific). Confirm: duodenal biopsy (villous atrophy, crypt hyperplasia, intraepithelial lymphocytes). Treatment: lifelong gluten-free diet.

💡 Why is B) the correct answer?

The correct answer to the question "Celiac disease is diagnosed by:" is Option B: Serologic testing (tissue transglutaminase IgA antibodies) confirmed by duodenal biopsy showing villous atrophy.

The other options — A) Stool culture, C) Blood glucose test, D) Chest X-ray — are incorrect for this Everyday Science question. As explained above: Celiac: autoimmune reaction to gluten. Screen: IgA anti-tTG (most sensitive/specific). Confirm: duodenal biopsy (villous atrophy, crypt hyperplasia, intraepithelial lymphocytes). Treatment: lifelong …

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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 Everyday Science practice test or use flashcards for spaced repetition review.

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Celiac disease is diagnosed by:

✓ Correct Answer: Option B

📚 About This Everyday Science Practice Question

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