Final answer:
The appropriate action is to discuss the situation with the nephrologist and re-evaluate the treatment plan.
Step-by-step explanation:
When the patient's calculated UF goal exceeds the maximum UFR ordered by the nephrologist, the appropriate action is to:
C) Discuss the situation with the nephrologist and re-evaluate the treatment plan
Increasing the UFR to match the UF goal is not appropriate as it exceeds the maximum UFR ordered by the nephrologist. Decreasing the dialysis session time may not achieve the desired UF goal. Administering a higher dose of anticoagulants is not relevant to achieving the UF goal.