Using the WHO Pain Ladder, the Nursing Plan of Care

Using the WHO pain ladder, the nursing plan of care for a patient with chronic lower back pain should include which strategy?

A) Start with the first step and advance slowly up the ladder.
B) Treat breakthrough pain with a long-acting analgesic.
C) Administer an opioid and then slowly move back down the ladder.
D) Aim for complete pain control as the goal of therapy.