Which of the Following Muscles Will Serve to Depress the Lower

question 9

Multiple Choice

Which of the following muscles will serve to depress the lower lip?

• A)Depressor labii inferioris and depressor anguli oris muscles
• B)Depressor labii inferioris and orbicularis oris muscles
• C)Depressor labii inferioris and mentalis muscles
• D)Depressor labii inferioris and risorius muscles

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Renowned early 20th-century psychologist known for developing psychoanalytic theory which emphasizes unconscious motivations and childhood experiences.

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