Final answer:
In the context of preparing for venipuncture, the site should be disinfected with isopropyl alcohol moving from the center to the periphery, to minimize the risk of infection.
Step-by-step explanation:
When disinfecting a site for venipuncture, it is recommended to clean the arm with isopropyl alcohol from the center to the periphery. This method ensures that any potential contaminants are moved away from the puncture site to reduce the risk of infection. It is a standard procedure followed by healthcare professionals to maintain aseptic technique during blood draws.