Base of the Skull Flashcards

1
Q

Name the corresponding skull opening for…

CN I

A

Olfactory nerves exit through the olfactory foramina

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2
Q

Name the corresponding skull opening for…

CN II

A

Optic nerves exit through the optic canal

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3
Q

Name the corresponding skull opening for…

CN III

A

Oculomotor nerves exit through the superior orbital fissure

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4
Q

Name the corresponding skull opening for…

CN IV

A

Trochlear nerve exits through the superior orbital fissure to innervate the superior oblique muscle!

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5
Q

Name the corresponding skull opening for…

CN V1

A

Ophthalmic division of trigeminal exits through the superior orbital fissure

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6
Q

Name the corresponding skull opening for…

CN V2

A

Maxillary division of the trigeminal exits through the foramen rotundum

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7
Q

Name the corresponding skull opening for…

CN V3

A

Mandibular division of the trigeminal exits through the foramen ovale

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8
Q

Name the corresponding skull opening for…

CN VI

A

Abducens exits through the superior orbital fissure to innervate the lateral rectus muscle

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9
Q

Name the corresponding skull opening for…

CN VII

A

Facial nerve exits via the internal acoustic meatus

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10
Q

Name the corresponding skull opening for…

CN VIII

A

Vestibulocochlear exits via the internal acoustic meatus

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11
Q

Name the corresponding skull opening for…

CN IX

A

Glossopharyngeal exits via the jugular foramen

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12
Q

Name the corresponding skull opening for…

CN X

A

Vagus nerve exits via the jugular foramen

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13
Q

Do it to it.

A
  1. Olfactory foramina
  2. Superior orbital fissure
  3. Foramen ovale
  4. Foramen lacerum
  5. Internal acoustic meatus
  6. Foramen magnum
  7. Jugular foramen
  8. Hypoglossal canal
  9. Foramen rotundum
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14
Q

Which nerves run through the cavernous sinus?

A

III, IV, VI, V1, V2

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