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PTA Physical Therapy Assistant

Category - Data Collection

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Which of the following is NOT the muscle of facial expression?

Mentalis
Temporalis
Epicranial
Zygomaticus major

Explanation

Answer: B - Temporalis is not a muscle of facial expression.

Temporalis (fan-shaped muscle) muscle elevates and retracts the mandible with its posterior portion and thereby helps in mastication.

The remaining options are the muscles of facial expression. The other muscles of facial expression are orbicularis oculi, corugator supercillii, orbicularis oris, buccinators, risorius, levator labii superioris, levator labii superioris alaeque nasi, zygomaticus minor, levator anguli oris, depressor angular oris, depressor labii inferioris, and platysma.

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