Barium sulfate

Question 1

Chemical Formula

Answer 1

BaSO4

Question 2

Barium sulfate occurs y in nature as

Answer 2

mineral barite

Question 3

Uses of Barium sulfate

Answer 3

1. mixed into heavy concrete to serve as a radiation shield.
2. This drug is used as a contrast agent in diagnostic x-ray procedures.

Question 4

Properties

Answer 4

1. white crystalline solid that
   is odorless and insoluble in water.
2. It occurs as the mineral barite, which is the main commercial source of barium and materials prepared from it.

Question 5

Barium sulfate contraindication

Answer 5

in patients with known or suspected

1. obstruction of the colon, known or suspected
2. gastrointestinal tract perforation
3. suspected tracheoesophageal fistula
4. obstructing lesions of the
   small intestine
5. pyloric stenosis
   or known hypersensitivity to
   barium sulfate formulations