question_answer

Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because.

A)  Barium is a good absorber of X-rays and helps stomach to appear clearly

B)  Barium salts are white in colour and this helps stomachn to appear clearly

C)  Barium allows X-rays to pass through the stomach

D)  Barium salts are easily available