In rheumatoid arthritis, the immune system attacks the ________

Given a constant resistance, how will increasing the compliance of a lung unit alter gas movement into and out of the alveolus?

a. Both filling and emptying will be slower. b. The alveolus will fill and empty more quickly. c. The alveolus will fill more quickly but empty more slowly. d. The alveolus will fill more slowly but empty more quickly.

All of the following are factors when determining the maintenance interval except one. Which one is the exception?

A) Number of teeth or implants B) Patient cooperation C) Oral hygiene compliance D) Previous history of periodontal disease E) Type of health insurance the patient has