Can someone help me, my homework is due today. Thank you to anyone who actually helps.

Asynonym for arthrodynia is: arthritis arthrosis arthralgia osteodynia

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

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.