The patient in the intensive care unit who was intubated with a central venous catheter, peripheral arterial catheter, and chest tube has expired. Which question by the nurse who enters the room to assist the patient care nurse is most appropriate?

The nurse is assigned to care for a patient with a history of thromboembolism but in whom conventional anticoagulant therapy is contraindicated due a recent spinal injury. The nurse adds which preventative measure to the patient’s plan of care to prevent thromboembolism?

The patient tells the nurse, “I really didn’t expect acupuncture to decrease my pain, but it actually did! Why did it work?” The nurse bases the response on which theory of pain control?