Sphenoid/Face Flashcards by Grant Teichmeier | Brainscape

Q

8?

A

Infra-orbital region

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Q

What muscle is part of dilators of mouth; elevate labial commisure bilaterally to smile or unilaterally to sneer

A

Zygomaticus minor

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Q

What muscle draws the eyebrow medially and inferiorly, creating vertical wrinkles above nose (demonstrating concern or worry)?

A

Corrugator supercilii

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Q

4?

A

Temporal region

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Q

5?

A

Auricular region

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Q

Which Le Fort classification is this?

A

Le Fort 1

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Q

6?

A

Mastoid region

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Q

What muscles are part of dilators of mouth that depress labial commissure bilaterally to frown

A

Risorius and Depressor anguli oris

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Q

1?

A

Frontal Region

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Q

What muscles are part of dilators of mouth that retract and/or evert the upper lip; deepen nasolabial sulcus?

A

Levator labii superioris and Zygomaticus minor

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Q

What muscle depresses mandible; tenses skin of inferior face and neck

A

Platysma

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Q

7?

A

Orbital region

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Q

12?

A

Nasal region

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Q

What muscle is part of dilators of mouth; widens oral fissure as when grinning or grimacing?

A

Levator anguli oris

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Q

2?

A

Parieal region

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Q

10?

A

Parotid region

Q

What muscle is part of the dilators of the mouth that retracts and/or evert lower lip?

A

Depressor labii inferioris

Q

Which CN innervates masseter muscle?

A

CN V3

Q

11?

A

Zygomatic region

Q

What muscle presses cheek against molar teeth; works tongue to keep food between occlusal surfaces and out of oral vestibule; resists distension

A

Buccinator

Q

Which Le Fort classification is this?

A

Le Fort 3

Q

13?

A

Oral region

Q

14?

A

Mental region

Q

Which Le Fort classification is this?

A

Le Fort 2

Q

What muscle tonus closes oral fissure; phasic contraction compresses and protrudes lips or resists detension

A

Orbicularis oris

Q

What muscle elevates and protrudes lower lip; elevates skin of chin

A

Mentalis

Q

3?

A

Occipital region

Q

9?

A

Buccal region