<prompt> Which prosthesis is shown below in the X-ray?Austin Moores prosthesisThompson prosthesisArticular resurfacingBirmingham hip replacement  <response>: Ans. a Austin Moore prosthesis.Note the fenestrations in stem of Austin Moores prosthesis for ingrowth of bone and initiation of self-locking process. This is used when the calcar femorale is sufficient. When the calcar femorale is deficient, Thompson prosthesis is used with bone cement.Image source - stylefont-family: Times New Roman, Times, serif 