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Neuro-Endo Exam 1 > Infratemporal Fossa & Tempormendibular Joint > Flashcards

Infratemporal Fossa & Tempormendibular Joint Flashcards

1
Q

The temporal region contains 2 fossa. The Temporal fossa and the Infratemporal Fossa. Describe each of their locations.

A

Temporal Fossa: Superior to the Zygomatic Arch

Infratemporal Fossa: Inferior to the Zygomatic Arch (deep into the skull)

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2
Q

Which of the following is the roof of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Greater Wing of Sphenoid

E. Angle of Mandible

A

Greater Wing of Sphenoid

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3
Q

Which of the following is the anterior boundary of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Greater Wing of Sphenoid

E. Angle of Mandible

A

Maxilla

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4
Q

Which of the following is the posterior boundary of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Tympanic Plate, Mastoid Process, and Styloid Process

E. Angle of Mandible

A

Tympanic Plate, Mastoid Process, and Styloid Process

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5
Q

Which of the following is the medial boundary of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Tympanic Plate, Mastoid Process, and Styloid Process

E. Angle of Mandible

A

Lateral Pterygoid Plate

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6
Q

Which of the following is the lateral boundary of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Tympanic Plate, Mastoid Process, and Styloid Process

E. Angle of Mandible

A

Ramus of Mandible

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7
Q

Which of the following is the inferior boundary of the Infratemporal Fossa?

A. Maxilla

B. Lateral Pterygoid Plate

C. Ramus of Mandible

D. Tympanic Plate, Mastoid Process, and Styloid Process

E. Angle of Mandible

A

Angle of Mandible

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8
Q

What are the 3 muscles that are found within the infratemporal fossa?

A

Temporalis M.

Lateral Pterygoid M.

Medial Pterygoid M.

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9
Q

What are the 2 vessels and or plexuses found in the infratemporal fossa?

A

Maxillar A.

Pterygoid Venous plexus

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10
Q

What are the 5 nerves and or ganglia found in the Infratemporal fossa?

A

Inferior Alveolar N. (V3)

Lingual N. (V3)

Buccal N. (V3)

Chorda Tympani (CN VII)

Otic Ganglion

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11
Q

Which of the following arterial branches off the Mandibular part of the Maxillary A. supplies the External Acoustic Meatus, External Tympanic Membrane, and TMJ?

A. Deep Auricular A.

B. Anterior Tympanic A.

C. Inferior Alveolar A.

D. Middle Meningeal A.

E. Accessory Meningeal A.

A

Deep Auricular A.

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12
Q

Which of the following arterial branches off the Mandibular part of the Maxillary A. supplies the mandible, chin, and mylohyoid M.?

A. Deep Auricular A.

B. Anterior Tympanic A.

C. Inferior Alveolar A.

D. Middle Meningeal A.

E. Accessory Meningeal A.

A

Inferior Alveolar A.

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13
Q

Which of the following arterial branches off the Mandibular part of the Maxillary A. supplies the Trigeminal ganglion, Tympanic cavity, and Tensor Tympani M., and dura mater?

A. Deep Auricular A.

B. Anterior Tympanic A.

C. Inferior Alveolar A.

D. Middle Meningeal A.

E. Accessory Meningeal A.

A

Middle Meningeal A.

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14
Q

Which of the following arterial branches off the Mandibular part of the Maxillary A. supplies the extracranial muscles of infratemporal fossa, otic ganglion, and sphenoid B.?

A. Deep Auricular A.

B. Anterior Tympanic A.

C. Inferior Alveolar A.

D. Middle Meningeal A.

E. Accessory Meningeal A.

A

Accessory Meningeal A.

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15
Q

Which of the following arterial branches off the Pterygoid part of Maxillary A. supplies the Temporalis M.?

A. Buccal A.

B. Masseteric A.

C. Pterygoid Branches

D. Deep Temporal A.

A

Deep Temporal A.

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16
Q

Which of the following arterial branches off the Pterygoid part of Maxillary A. supplies the pterygoid muscles?

A. Buccal A.

B. Masseteric A.

C. Pterygoid Branches

D. Deep Temporal A.

A

Pterygoid Branches

17
Q

Which of the following arterial branches off the Pterygoid part of Maxillary A. supplies the TMJ and Masseter M?

A. Buccal A.

B. Masseteric A.

C. Pterygoid Branches

D. Deep Temporal A.

A

Masseteric A.

18
Q

Which of the following arterial branches off the Pterygoid part of Maxillary A. supplies the Buccal fat pad, buccinator M, and buccal oral mucosa? What N. does it run with?

A. Buccal A.

B. Masseteric A.

C. Pterygoid Branches

D. Deep Temporal A.

A

Buccal A.

Buccal N.

19
Q

All of the following muscles of mastication elevate the mandible EXCEPT?

A. Temporalis M

B. Masseter M.

C. Medial Pterygoid M.

D. Lateral Pterygoid M.

A

Lateral Pterygoid M.

20
Q

Which of the following muscles of mastication retracts the mandible?

A. Temporalis M and Medial Pterygoid

B. Temporalis M. and Masster M

C. Medial and Lateral Pterygoid

D. LAtearl Pterygoid and Masseter M.

A

Temporalis M. and Masster M

21
Q

True or False: All of the muscles of mastication are able to help with lateral or side-to-side movements to some extent. Specifically Ipsilateral temporalis and Contralateral Medial and Lateral Pterygoids

A

TRue

22
Q

What are the names of the two ligaments that help prevent the jaw from being pulled apart by limiting the inferior excursion of the TMJ?

A. Stylomandibular L.

B. Sphenomandibular L.

C. Both

D. None

A

A. Stylomandibular L.

B. Sphenomandibular L.

23
Q

T/F: Greater than 15 degrees, the whole head of the mandible drops out of the Mandibular Fossa and dislocates anteriorly

A

True

24
Q

T/F: The Inferior Head of the Lateral Pterygoid M. actually attaches to the articular disc of the TMJ to help with the movement of the TMJ

A

False; Superior Head of the Lateral Pterygoid M.

25
Q

All of the following muscles help open the mandible, but which of the following is innervated by the N. to the Mylohyoid and Facial N. and elevates the hyoid bone during swallowing?

A. Anterior and Posterior Belly of Digastric M

B. Geniohyoid M.

C. Mylohyoid M.

D. Stylohyoid M.

A

Anterior and Posterior Belly of Digastric M

26
Q

All of the following muscles help open the mandible, but which of the following is innervated by the the ventral ramus of C1 and draws the hyoid B. forward during swallowing?

A. Anterior and Posterior Belly of Digastric M

B. Geniohyoid M.

C. Mylohyoid M.

D. Stylohyoid M.

A

Geniohyoid M.

27
Q

All of the following muscles help open the mandible, but which of the following is tightens and elevates the oral floor, and draws the hyoid B. forward during swallowing?

A. Anterior and Posterior Belly of Digastric M

B. Geniohyoid M.

C. Mylohyoid M.

D. Stylohyoid M.

A

Mylohyoid M.

28
Q

What two muscles not only open the mandible, but elevate the hyoid bone during swallowing?

A. Mylohyoid and Geniohyoid

B. Mylohyoid and Stylohyoid

C. Digastric and Stylohyoid

D. Mylohyoid and Digastric

A

Digastric and Stylohyoid

29
Q

What two muscles not only open the mandible, but draws the hyoid bone forward during swallowing?

A. Mylohyoid and Geniohyoid

B. Mylohyoid and Stylohyoid

C. Digastric and Stylohyoid

D. Mylohyoid and Digastric

A

Mylohyoid and Geniohyoid

30
Q

T/F: The Ansa Cervicalis innervates the Sternohyoid, Sternothyroid, and Omohyoid, while the central ramus of C1 and C4 innervates the Thyrohyoid M

A

True

31
Q

All of the following muscles depress the hyoid. However, All except one depress the larynx and hyoid for phonation and the terminal swallowing phase. This exception instead raises the larynx for swallowing. What muscle is this?

A. Sternohyoid M.

B. Sternothyroid M.

C. Thyrohyoid M.

D. Omohyoid M.

A

Thyrohyoid M.

32
Q

Which of the following muscles maintains patency of the Internal Jugular V. ?

A. Sternohyoid M.

B. Sternothyroid M.

C. Thyrohyoid M.

D. Omohyoid M.

A

Omohyoid M.

Neuro-Endo Exam 1 (17 decks)

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