Final answer:
The nurse should wear an N95 respirator mask when in the client's room.
Step-by-step explanation:
The charge nurse should expect the nurse to take Option D) Wear an N95 respirator mask when in the client's room. This is because tuberculosis is spread through droplet aerosols that are emitted when an infected person coughs or sneezes. The N95 respirator mask is specifically designed to filter out small infectious particles, providing a higher level of protection compared to surgical masks or regular face masks.