Final answer:
Antibiotics are anticipated for the client with peritonitis and Crohn's disease.
Step-by-step explanation:
The potential prescription that is anticipated for the client with peritonitis and Crohn's disease is a) Antibiotics. Peritonitis is an inflammation of the peritoneum, which is the tissue that lines the inner wall of the abdomen. It is usually caused by an infection, so antibiotics are commonly prescribed to treat the infection and prevent it from spreading.