Which of the Following Statements Is True About Chronic Pain

Multiple Choice

Which of the following statements is true about chronic pain?

A) Behaviors that arise from chronic pain cannot be measured.
B) Patients with chronic pain disorders show significant loss of gray matter in certain regions of the brain.
C) Unlike acute pain,chronic pain usually decreases with treatment and the passage of time.
D) Most pain control techniques work well to control chronic pain but are less successful with acute pain.