A Patient Has Been Recently Diagnosed with Chronic Fatigue Syndrome

A patient has been recently diagnosed with chronic fatigue syndrome and asks the nurse about the cause of this illness. What is the nurse's best response?

A) "The provider will be able to tell you when the lab results are back."
B) "An exact cause may not be determined, but a treatment plan will be discussed."
C) "Stress is the main cause; a referral to a counselor may be helpful."
D) "This is considered a psychiatric illness requiring behavioral medicine."