The Nurse Has Incorporated the Use of Relaxation Techniques into the Care

The nurse has incorporated the use of relaxation techniques into the care of clients with cancer.What is the best rationale for this inclusion?

A) Relaxation techniques calm clients,making them more cooperative during invasive procedures.
B) It has been shown that clients receiving chemotherapy lose less hair when they are relaxed.
C) Relaxation influences the immune system.
D) Relaxation techniques can eliminate the need for pain medication in cancer clients.