Answer: Use a raised toilet seat
Explanation: The client whom underwent an insertion of a femoral head prosthetic system best response if he/she really understands the directives the nurse provided is the “use of a raised toilet seat”.
Moreover, this measure is provided to the client to prevent dislocation of the incorporated bone system, because the client will put pressure on the inserted femoral head and can causes dislocation if he/she make use a short toilet seat.