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Anatomy Exam IV > Lecture 25 > Flashcards

Lecture 25 Flashcards

1
Q

What muscles elevate the jaw?

A

Masseter: brings the jaw up forward and lateral

Temporalis: brings jaw up and backward and lateral

Medial (internal) Pterygoid: brings jawa up and lateral

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2
Q

What cranial nerve innervates the jaw elevators and depressors?

A

CN V- Trigeminal Nerve

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3
Q

What muscles depress the jaw?

A

Anterior Belly of the digastricus

mylohyoid

geniohyoid

platysma

lateral (external) pterygoid: gives jaw protrusion

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4
Q

What CN innervates teh geniohyoid?

A

CN XII- Hypoglossal

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5
Q

What CN innervates the platysma?

A

CN VII- Facial Nerve

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Anatomy Exam IV (7 decks)

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