Final answer:
The nurse would anticipate administering antibiotics to a patient diagnosed with pertussis.
Step-by-step explanation:
The nurse would anticipate administering antibiotics to a patient diagnosed with pertussis. Pertussis is caused by the bacterium Bordetella pertussis. Antibiotics such as erythromycin or tetracycline are effective in reducing the rate of transmission when given early in the infection and prophylactically to uninfected individuals.