Which nursing actions are essential for a patient with Crohn's disease experiencing complications such as an intestinal stricture? (Select all that apply)

Assess for signs of bowel perforation such as rigid abdomen

Prepare the patient for surgical intervention if severe obstruction occurs

Advise against the use of OTC laxatives

Monitor for fatigue and weight loss

Administer prescribed biologic therapy to control inflammation

Encourage a diet high in whole grains and fresh vegetables