Following an assault by an unknown assailant, the patient is diagnosed with post-traumatic stress disorder. Which intervention must be implemented first for this patient? 

The nurse is caring for a patient with Alzheimer disease (AD). When the family comes to visit, they are excited to hear the patient talk about when he was a child and tell the nurse that they think his memory is returning. Which statement by the nurse is appropriate?

Following a surgical procedure the patient experiences post-operative pain that is refractory to opioid medication. The patient requests acupuncture as a mode of pain relief in addition to the medications. The nurse advocates for this treatment modality based on which understanding of its action?