Final answer:
The area for collecting arterial blood gases (ABGs) is prepped with an antiseptic such as isopropyl alcohol or chlorhexidine to minimize infection risk and avoid sample contamination.
Step-by-step explanation:
When collecting arterial blood gases (ABGs), the area is typically prepped with an antiseptic solution. This is important to minimize the risk of infection. The most commonly used antiseptic is isopropyl alcohol, although other antiseptics such as chlorhexidine may also be used, depending on the healthcare facility's protocols and patient sensitivity. After the application of the antiseptic, the area is allowed to dry completely before the arterial puncture is performed to ensure the disinfectant's effectiveness and to reduce the chance of contaminating the sample with the antiseptic solution.