Answer: option 1 is correct;
Encourage plenty of fluids.
Explanation:
====>Crohn's disease was first described in the year 1932 by Dr. Burrill Crohn. Dr. Gordon D. Oppenheimer, and Dr. Leon Ginzburg were Dr. Burill Crohn's colleges that also contributed to the research. The disease causes inflammations in the gastrointestinal tract,and it can affect any part from the mouth to the anus.
===>Barium enema is a medical examination that is used in checking lower intestinal tract.
So, if A client with Crohn's disease is scheduled for a barium enema the tomorrow,the client should take plenty of fluids today.