2012 · Q20
Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because
General KnowledgeChemistry
- Abarium salts are white in colour and this helps stomach to appear clearly
- Bbarium is a good absorber of X-rays and helps stomach to appear clearly
- Cbarium salts are easily available
- Dbarium allows X-rays to pass through the stomach
Explanation
Barium's high atomic number makes it strongly absorb X-rays, providing contrast for imaging the stomach lining.