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 compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
- Cbarium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the pictureCorrect
- Dbarium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture
Explanation

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