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 Kelps stomach to appear clearly                                  

B)        barium salts are white in colour and this helps stomach to appear clearly

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

D)        barium salts are easily available