A Nurse Is Working in the Emergency Department (ED)

A nurse is working in the emergency department (ED) .Which of the following situations would cause the nurse to suspect bioterrorism?

A) When two people out of twenty who ate at a restaurant come to the ED with nausea and vomiting
B) When a worker in a lab comes to the ED complaining of a severe headache
C) When thirteen people, aged 24 to 33, come to the ED with ascending flaccid muscle paralysis
D) When five people come to the ED with an upper respiratory infection