What Mechanism Allows Strict Anaerobes to Grow in the Cervices

question 35

Multiple Choice

What mechanism allows strict anaerobes to grow in the cervices and areas between the teeth when plaque is present?

• A) A low oxidation-reduction potential occurs at the tooth surface under the plaque.
• B) The bacteria secrete sugar to nourish the strict anaerobes.
• C) The normal flora secrete antibiotics to kill all the other bacteria and allow the strict anaerobes to thrive.
• D) The plaque-causing bacteria secrete an alkaline fluid and change the pH around the tooth.

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Definitions:

Volcanic Dome

A rounded mound formed by the slow extrusion of viscous lava from a volcano.

Composite Volcanoes

Composite volcanoes, also known as stratovolcanoes, are tall, conical volcanoes built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash.

Rubble-covered

Describes a surface or area that is scattered with broken stones, bricks, and other fragments, often resulting from destruction or decay.

Volcanic Domes

Dome-shaped formations created by slow-moving, viscous lava that piles up near a volcano's vent rather than flowing away.