A Patient with Chronic Back Pain Has Learned to Control

A patient with chronic back pain has learned to control the pain with the use of imagery and hypnosis.The patient's spouse asks the nurse how these techniques work.Which response by the nurse is best?

A) "The strategies work by affecting the perception of pain."
B) "These techniques block the pain pathways of the nerves."
C) "Both strategies prevent transmission of painful stimuli to the brain."
D) "The therapies slow the release of chemicals in the spinal cord that cause pain."