To prevent back injury, the nurse should instruct the client to

The nurse should instruct the client to not lift heavy objects, if lifting something he should have bend the body with his knees, correct his posture (poor posture causes pressure and can cause degenerated discs to become more painful), exercise the back muscles ( to provide support).

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.