The nurse is assessing a client for Brudzinski's sign as part of their neurologic assessment. Which of the following are appropriate actions by the nurse when performing this technique? (SELECT ALL THAT APPLY)

C Place the client in supine position E Assist the client to bend their knee 90 degrees A Bend the client's head toward their chest B Ask the client to extend both arms above their head D The nurse will place a hand behind the client's head