In a Duchenne Smile, the Cheek Muscles Are Pulled Back

question 24

Multiple Choice

In a Duchenne smile, the cheek muscles are pulled back, and the muscles around the ________ also contract.

• A)nose
• B)mouth
• C)eyes
• D)ears

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Definitions:

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Cause-and-Effect Relationships

Connections between variables where a change in one variable (the cause) directly brings about a change in another variable (the effect).

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