Australian First Aid Practice Exam 2026 - Free First Aid Practice Questions and Study Guide

A severe wound requires a sterile dressing to help prevent infection and promote healing. Sterile dressings are designed to create a clean environment around the wound, which is crucial in minimizing the risk of pathogens entering and causing an infection. These dressings are free from microbes and contaminants, making them the best choice for significant injuries that may involve bleeding or exposure of tissue.

Using a band-aid, cotton wool, or gauze alone does not provide the necessary level of protection and can result in complications. A band-aid is too small and not suitable for severe wounds. Cotton wool can shed fibers that may enter the wound, leading to further complications. Gauze by itself may not maintain a sterile barrier or provide adequate coverage for larger wounds, and it usually requires additional measures to secure it in place and to keep it sterile. In contrast, a sterile dressing encompasses these protective measures, making it the appropriate choice for managing severe wounds.