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Regarding Duchenne Smiling,which of the Following Statements Is TRUE

Question 229

Multiple Choice

Regarding Duchenne smiling,which of the following statements is TRUE?


A) Duchenne smiling is forced, intentional, social smiling.
B) Duchenne smiling leads to isolation and depression.
C) Duchenne smiling involves only the corners of the mouth turning upward.
D) Duchenne smiling was named for a French scientist who studied facial muscles.

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