Which of the Layers in the Diagram Below Are Rigid

question 32

Multiple Choice

Which of the layers in the diagram below are rigid?

• A)1 and 2
• B)2 and 3
• C)1,2,and 3
• D)All of them are correct.

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Definitions:

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The moist, protective lining of the oral cavity, including the gums, cheeks, lips, and roof and floor of the mouth.

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Chemotherapy

A type of cancer treatment using one or more anti-cancer drugs as part of a standardized chemotherapy regimen.

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An infestation of the scalp with head lice, resulting in itching and discomfort.