A charge nurse is observing a staff nurse who is caring for a child who has pertussis. Which of the following actions by the staff nurse indicates an understanding of infection control practices?

Follows airborne precautions by wearing an N95 respirator while caring for the child

Maintains droplet precautions while the child is coughing and sneezing

Wears gloves when assisting the child to the bathroom

Applies a face mask after entering the child's room