Emergency Medical Technician (EMT) Basic Certification Practice Exam

In case of exposure of an internal organ, what type of dressing should be applied?

1. Standard gauze

2. Occlusive dressing

3. Elastic bandage

4. Adhesive tape

The correct answer is: Occlusive dressing

When an internal organ is exposed, it is crucial to use an occlusive dressing. This type of dressing is specifically designed to create a barrier that prevents air, fluids, and contaminants from entering the body and potentially causing more harm, such as infection or further injury. An occlusive dressing typically consists of a non-porous material that adheres tightly to the skin and surrounds the wound, ensuring that it protects the exposed organ effectively. In the case of exposed organs, the primary goal is to safeguard the tissue from environmental exposure, as well as to help maintain moisture and warmth. This is especially important because exposed organs are at risk for desiccation (drying out) and damage. An occlusive dressing helps to maintain a conducive environment for the internal tissue until definitive medical treatment can be administered. Other types of dressings, such as standard gauze or adhesive tape, do not provide the same level of protection from external contaminants or help maintain an appropriate environment for the exposed organ. Elastic bandages can offer compression but are not suitable for covering open wounds with exposed organs due to their inability to create an airtight seal. Thus, the use of an occlusive dressing is the best practice in this scenario.