A biomedical engineer will most likely design a prosthetic. From the given choices only a prosthetic fits into the type of material or device a biomedical engineer would design.
Biomedical engineering brings into alliance the problem solving skills of an engineer and the medical fields.
These engineers are able to use scientific principles and materials to provide solutions to some earth challenges.
They help to design the right instrumentation for laboratory use.
Also, they are able to help hospitals provide cutting edge technology to solve health issues.