Title: Module 2 Quiz
Course: DEH 1720 Dental Hygiene Course > Section: Module 2 - Dental Plaque Biofilm

Q: The coating of salivary origin that forms on exposed tooth surfaces is called the:
- Subsurface pellicle
- Acquired pellicle
- Basil lamina
- Reduced enamel epithelium
A: Acquired pellicle

Q: Adhesion is mediated by a variety of bonding mechanisms, which include:
- Exogenous antimicrobial agents
- Etching agents
- Physiochemical interactions
- Antimicrobial interactions
A: Physiochemical interactions

Q: Supragingival plaque is associated with gingivitis and periodontitis, whereas subgingival plaque is associated with caries and gingivitis.
- First statement is true, second statement is false.
- First statement is false, second statement is true.
- Both statements are true.
- Both statements are false.
A: Both statements are false.

Q: What factors may affect the onset of periodontal diseases?
- Plaque
- Host defense mechanisms
- Exogenous antimicrobial agents
- All of the above
A: Plaque

Q: Which of the following can be used to prevent the excess accumulation of plaque?
- Host defense mechanisms
- Effective toothbrushing
- Biofilm lozenges
- No prevention necessary
A: Effective toothbrushing

Q: Subgingival calculus derives their mineral from which of the following that is found in the sulcus and periodontal pocket.
- Sulcular epithelium
- Mucogingival fluid
- Inflammatory exudate
- Endotoxins
A: Inflammatory exudate

Q: Pyrophosphates decrease the formation of which of the following?
- Plaque
- Calculus
- Early carious lesions
- Gingivitis
A: Calculus

Q: Supragingival calculus is 60% mineralized, subgingival calculus is 30% mineralized.
- First statement is true, second statement is false.
- First statement is false, second statement is true.
- Both statements are true.
- Both statements are false.
A: Both statements are false.

Q: In dental plaque metabolism, after the microorganism is exposed to sucrose, they produce:
- Acid
- Intracellular polysaccharides
- Extracellular polysaccharides
- All of the above
A: All of the above

Q: The primary colonizers in dental plaque biofilm tend to be cocci. They also tend to be aerobic.
- First statement is true, second statement is false.
- First statement is false, second statement is true.
- Both statements are true.
- Both statements are false
A: Both statements are true.