A 32-year-old black man is admitted to the hospital in vaso-occlusive sickle cell crisis. He complains of chest pain, shortness of breath, severe myalgia, and arthralgia. Which of the following may be effective in relieving the client's joint pain
A.Applying ice packs to the joints.
B.Performing active resistive range-of-motion exercises.
C.Applying warm compresses to the joints.
D.Applying transcutaneous electrical nerve stimulation (TENS).