Final answer:
The nurse should delegate the task of observing the incision site to the AP.
Step-by-step explanation:
The nurse should delegate the task of Observe the incision site to the AP. While it is within the nurse's scope of practice to change the abdominal dressing, the fact that the dressing is saturated with blood indicates a potential issue that requires immediate assessment. The AP can be assigned to observe the incision site for any signs of increased bleeding or infection, while the nurse addresses the issue and determines appropriate action.