California Certified Nursing Assistant (CNA) Practice Exam

What is the best way to apply an elastic bandage to prevent circulatory impairment in one arm?

1. Apply the bandage tightly to ensure effectiveness

2. Apply the bandage while stretching it slightly

3. Leave the arm elevated until the bandage is applied

4. Apply the bandage without any stretching

The correct answer is: Apply the bandage while stretching it slightly

Applying an elastic bandage while stretching it slightly is the correct approach to ensure both effectiveness and safety. When you stretch the bandage slightly during application, it allows for appropriate compression without overly constricting blood flow. This technique helps to stabilize the area while still permitting adequate circulation, which is crucial to prevent circulatory impairment. Proper application of an elastic bandage involves finding a balance between enough pressure to support the injury and not so much pressure that it compromises circulation. If the bandage is applied too tightly, it can lead to complications such as numbness, tingling, or even tissue damage. By stretching the bandage slightly, you also ensure that it conforms well to the contours of the arm, providing better support without restriction. In contrast, applying the bandage tightly could increase the risk of circulatory issues. Leaving the arm elevated until the bandage is applied doesn't directly impact the application technique; while elevation can help reduce swelling, the key focus during bandaging is on the method of application. Lastly, applying the bandage without any stretching would result in it being looser, which might not provide the needed support and could allow for movement that could aggravate the injury.