A bacterial product that attracts leukocytes to an area of irritation is  

Tobacco use is related to an increased risk for severe periodontal disease. Smokers have a diminished neutrophil function.

The principal antibody in tears and saliva is    

Long, fine, wavy filamentous structures that are used for motility

The acquired pellicle in dental plaque is composed of:

Which of the following layers of subgingival plaque activates the host response resulting in the most destructive processes seen in periodontal disease?

In the vascular reaction to inflammation, vasodilation is followed by margination of leukocytes. Later in the process, after an increase in vascular permeability, neutrophils pass through the vessel wall (migration) into the area of inflammation.

Which of the following is not a red complex or high risk pathogen?

Stage IV or the advanced stage of gingivitis is still a reversible stage of the disease.

A bacterial plaque sample taken from a healthy mouth would show which of the following: