Final answer:
Multnomah County inspections of restaurants are unannounced.
Step-by-step explanation:
The statement is true. Multnomah County inspections of restaurants are unannounced. This means that the county health department does not notify restaurants in advance before conducting inspections. The purpose of these unannounced inspections is to assess the cleanliness, hygiene practices, and overall safety of the restaurant to ensure compliance with food safety regulations.