Which highly communicable disease is considered a global health issue?

Nina has the flu and a high fever. her immune system is exhibiting the line of defense. this defense is part of immunity.

When a person undergoes root canal treatment or another endodontic treatment: [select all that apply] a.) the inside of the tooth is carefully cleaned and disinfected. b.) air is forced into the canal to stop bleeding. c.) the inflamed/infected pulp is removed. d.) the inside of the tooth is filled and sealed with a rubber-like material called gutta-percha

Wheeled coach ambulance uses an interactive computer program to develop and document its products. what is it called?