Final answer:
The appropriate PPE for a nurse entering the room of a client with influenza A includes gloves, a respirator, a mask with face shield, and a gown.
Step-by-step explanation:
A nurse preparing to enter the room of a client with a strain of influenza A and donning appropriate personal protective equipment (PPE) would be correctly geared up with gloves, a respirator or mask with a face shield, and a gown. When dealing with infectious diseases such as influenza A, appropriate PPE is critical for preventing the spread of the virus and protecting both the healthcare worker and other individuals.