The nurse observes a practical nurse (PN) placing a client on the right side with the left leg bent in preparation for a lumbar puncture. Which action should the nurse implement?

C Arrange for an unlicensed assistive personnel to assist the PN during the procedure. B Acknowledge that the PN has positioned the client safely and correctly. D Demonstrate to the PN how to position the client more effectively for the procedure. A Assume care of the client and assign the PN to the care of a different client.