Week 1 Scalp, Skull, Cranial Contents- Severson Flashcards

1
Q

What cranial nerves exit through the jugular foramen?

A

9, 10, 11

Glossopharyngeal Nerve
Vagus Nerve
Accessory Nerve

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2
Q

What cranial nerves exit the internal auditory meatus?

A

7, 8

Facial
Vestibulocochlear Nerve

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3
Q

Where does V2 branch of the Trigeminal nerve exit?

A

Foramen Rotundum

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4
Q

Where does V3 of the Trigeminal nerve exit?

A

Forman Ovale

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5
Q

Where does V1 branch of the trigeminal nerve exit?

A

Superior Orbital Fissure

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6
Q

What nerves exit the Superior Orbital fissure?

A

3,4, V1, 6

Occulomotor
Trochlear
Opthalmic (V1 of Trigeminal)
Abducens

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7
Q

What nerves exit the jugular foramen?

A

9, 10, 11

Glossopharyngeal
Vagus
Accessory

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8
Q

Branches of the facial nerve?

A
Temporal
Zygomatic
Buccal
Marginal Mandibular
Cervial
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9
Q

What nerves supplies the Orbicularis Oculi, Obicularis Oris, Buccinator, and Platysma?

A

Facial Nerve

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10
Q

What nerve supplies the masseter?

A

Mandibular division of trigeminal (V3)

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11
Q

What muscle is pierced by the the parotid duct?

A

Buccinator muscle

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12
Q

What nerve goes into the mandibular foramen, comes out through the mental foramen and is used when dentist perform nerve blocks?

A

inferior alveolar nerve

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13
Q

What branch of the trigeminal has motor fibers? what does it innervate?

A

Mandibular division (V3)- muscles of masticaiton!!!

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14
Q

What muscle attaches to the coronoid process?

A

Lateral pterygoid muscle

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15
Q

What muscle attached to the condylar process?

A

Masseter muscle

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16
Q

How usually causes epidural hematomas?

A

MIDDLE MENINGEAL ARTERY

17
Q

What usually causes subdural hemorrhage?

A

Rupture of Superior cerebral veins as they enter the superior sagittal sinus

18
Q

Describe the route and clinical significance of the middle meningeal artery?

A
  • Branch of the maxillary artery in infratemporal fossa
  • Enters the skull through the foramen spinosum
  • Grooves the interior surface of the skull
  • Ruptures with skull fractures to produce epidural hemorrhage
19
Q

What would cause a subarachnoid hemorrhage?

A
  • Rupture of the cerebral arteries

- Internal carotid artery or its branches

20
Q

What is the clinical significance of the Arachnoid granulations?

A
  • extensions of arachnoid membrane and subarachnoid space through the meningeal layer of dura and into the venous sinuses
  • Site of ABSOPRTION of CSF fluid