🔬 Science & TechnologyUPSC 1999Space & Space Technology

Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because:

abarium allows X-rays to pass through the stomach on account of its transparency to X-rays.

bbarium is a good absorber of Y-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture.

cbarium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture.

dbarium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the pictures. Science and Technology 601

✓ Correct answer: c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture.

ExplanationBarium is used in X-ray imaging because it effectively absorbs X-rays, which makes it show up clearly on X-ray images.This property helps in creating a clear contrast between the stomach and surrounding tissues, allowing doctors to examine the stomach’s structure more easily.310

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Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because:

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