Which of the following is considered a regional equipment or supply?

The DuoDote Auto-Injector is classified as a regional equipment or supply because it is specifically designed for use in certain scenarios where exposure to nerve agents or organophosphate poisoning may occur, particularly in military or specific emergency response environments. This indicates that its availability and use may be limited to particular regions or situations, making it a specialized piece of equipment compared to more general emergency supplies.

In contrast, the other options listed are considered more standard supplies. Oral glucose is a common medication used for hypoglycemic patients and is widely available in many emergency settings. Inhaled bronchodilators are frequently used in various medical emergencies involving respiratory distress or asthma, and thus are standard in many EMT kits. A vacuum splint is a common device used to immobilize fractures and is also a standard piece of equipment in emergency medical services across numerous regions.

The specificity and limited use circumstances associated with the DuoDote Auto-Injector distinguishes it as a regional supply, tying it to specific types of emergencies rather than general practice.