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4 questions
The arrangement of fascicles in orbicularis oris is ________.
circular
convergent
pennate
fusiform
Which facial muscle is considered the "smiling" muscle since it raises the corners of the mouth?
orbicularis oris
frontalis
orbicularis oculi
zygomaticus
29) Which of the following muscles acts as a synergist to masseter and closes the jaw?
buccinator
zygomaticus
frontalis
sternocleidomastoid
temporalis
A nursing infant develops a powerful sucking muscle that adults also use for whistling or blowing a trumpet called the ________.
platysma
masseter
zygomaticus
buccinator
temporalis
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