Why Is It Difficult to Determine the Causative Agents of Periodontal

question 78

Multiple Choice

Why is it difficult to determine the causative agents of periodontal disease?

• A) The agents are fastidious bacteria that cannot be cultured in the laboratory.
• B) Identification requires 16S rDNA sequencing and not all bacteria have this gene.
• C) The infections are polymicrobial, so multiple species of interacting bacteria are involved.
• D) The causative agents are typically viruses, which are difficult to identify.
• E) The causative agents are encased in biofilm polysaccharides that cannot be removed.

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Definitions:

Net Profit Margin

A financial metric that shows the percentage of a company's revenue that remains as net income after operating expenses, interest, taxes, and preferred stock dividends have been deducted.

Management Efficiency

A measure of how effectively a business or organization's management team utilizes resources to achieve its goals.

Sales Dollar

A term representing the total dollar amount generated from sales transactions within a specific period.

Return on Assets

A financial ratio that measures the profitability of a company in relation to its total assets, indicating how efficiently the company is using its assets to generate profit.