Certified Ostomy Care Nurse (COCN) Practice Exam

The choice of a two-piece firm convex wafer and pouch is likely to provide improved wear time and reliability for a person with an ileostomy experiencing frequent leakage issues. The firm convexity of the wafer helps to create a better seal against the abdominal contour, especially in individuals with a rounded or uneven stoma. This design allows for a more secure fit, reducing the risk of leakage around the stoma area, which is crucial for ostomy care.

Convex pouches are particularly beneficial for ileostomy patients because they help to push the stoma outward, enhancing the effectiveness of the adhesive and minimizing the potential for output, which can contribute to leaks. The two-piece system also adds flexibility, allowing for easier pouch changes while maintaining an optimal seal with the stoma.

In contrast, options like the one-piece nonadhesive pouching system would not provide the same level of adhesion, leading to increased risk of leaks. A one-piece pouch with a flexible barrier ring might not offer the necessary firmness and stability needed for the best seal around the stoma. Meanwhile, although a two-piece flat wafer and pouch offers convenience, it lacks the characteristics essential for addressing the leakage concern effectively in this situation.

Overall, the combination of a firm convex design