A Client, Scheduled to Have Joint Fluid Aspirated from the Knee

A client, scheduled to have joint fluid aspirated from the knee, asks the nurse why the procedure is being done. Which of the following should the nurse explain to this client? (Select all that apply.)

A) It is done to examine the synovial fluid in the joint cavity.
B) It is done to realign the knee joint.
C) It is done to relieve pain.
D) It is done to visualize the bone structure.
E) It is done to relieve edema and effusion.
F) It is done to evaluate the status of ligaments.