My son can\ t eat wheat, rye, oats, or barley.-rationale: a child with celiac disease must follow a gluten-free diet. if the child eats foods containing gluten, changes in the intestinal mucosa will prevent the absorption of fats and other foods. therefore, all foods containing wheat, rye, oats, and barley must be eliminated from the diet. such foods as potatoes, rice, and cornstarch may be included in a gluten-free diet. frozen and packaged foods, which may contain gluten fillers, should be avoided.client needs category: physiological integrityclient needs subcategory: basic care and comfortcognitive level: comprehensionreference: hatfield, n. broadribbs introductory pediatric nursing, 6th ed. philadelphia: lippincott williams & wilkins, 2003, p. 261.