A nurse is teaching a client who has tuberculosis about infection control with her family at home. Which of the following instructions should the nurse include?

"Wear a high-filtration mask at home when family members are nearby."

"Before coughing or sneezing, cover your mouth and nose with a tissue.

"Return to work after two consecutive sputum cultures are negative."

"Make sure family members wear masks whenever they are in the same room as you."