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ANATOMY HEAD AND NECK > V1 AND V2 TRIGEMINAL NERVE-SENSORY INNERVATION HEAD AND NECK > Flashcards

V1 AND V2 TRIGEMINAL NERVE-SENSORY INNERVATION HEAD AND NECK Flashcards

1
Q
A
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2
Q

The V cranial nerve provides sensory innervation to the derivatives of the … pharyngeal arch and of the ….

A

1st, frontonasal prominence

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3
Q

V nerve:
carries … fibers from skin of the face and the mucosa of facial cavities

A

Somatic afferent

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4
Q

Name the three foramina through which the TERMINAL BRANCHES of the Trigeminal nerve pass:

A

V1: supraorbital foramen
V2: infraorbital foramen
V3: mental foramen

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5
Q

Name the foramina through which each division of the Trigeminal nerve passes

A
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6
Q

The central process of the sensory fibers of the Trigeminal nerve go to … in the brainstem.

A

A posterior sensory nucleus

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7
Q

Venous structures in the cranial cavity are called

A

Sinuses

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8
Q

The … is an area prone to tumours or aneurisms which can affect the nerves stemming from the Trigeminal ganglion

A

Cavernous sinus

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9
Q

Before crossing the superior orbital fissure, the ophthalmic nerve V1 divides into…

A

Frontal, lacrimal and nasociliary branches

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10
Q

Frontal branch of V1 supplies the skin of the…

A

Upper eyelid and forehead.

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11
Q

The frontal branch of V1 divides into two nerves:

A

Supraorbital nerve and supratrochlear nerve

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12
Q

Lacrimal branch of V1 pierces … and goes through it to receive…

A

LACRIMAL GLAND, LATERAL ASPECT EYELID AND SKIN OF FOREHEAD

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13
Q

Make an scheme with the branches of the ophthalmic nerve (V1)

A
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14
Q

Short ciliary nerves course through the….

A

Ciliary ganglion

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15
Q

Posterior ethmoidal nerves provide sensory innervation to the ….

A

Mucosa of posterior ethmoidal cells

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16
Q

Anterior ethmoidal nerve mainly provides sensory innervation to …

A

Mucosa of anterior ethmoidal cells

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17
Q

Skin of the tip of the nose is innervated by…

A

External nasal branch of anterior ethmoidal nerve

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18
Q

Skin of the inferomedial aspect of the eye is innervated by…

A

The inferior TROCHLEAR nerve (from the nasociliary branch of the oftalmic nerve V1)

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19
Q

Mucosa of the 1/3 of the nasal cavity is innervated by…

A

Septal branch of anterior ethmoidal nerve

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20
Q
A
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21
Q

Ciliary nerves innervate the cutaneous territory of the…

A

CORNEA

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22
Q

Arteries generally accompany…

A

Sensory nerves

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23
Q

The … a branch of the internal carotid artery provides blood to supply the orbit.

A

OPHTALMIC ARTERY

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24
Q

There is a profused vascularization of the eyelids (T/F)

A

True

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25
Q

The … comes from the external carotid artery

A

Facial artery

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26
Q

The facial artery goes towards the angle of the eye and … with branches of the ophthalmic

A

ANASTOMOSES

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27
Q

The nasal cavities are partially supplied by branches of the…

A

OPHTALMIC ARTERY

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28
Q

What happens if there is an infection in the DEATH TRIANGLE?

A

An infection in this area can go to the OPHTALMIC VEIN which drains into the cavernous sinus

29
Q

The foramen rotundum opens to the…

A

pterygopalatine fossa

31
Q

Nerves that derive from the PTERYGOPALATINE GANGLION

A

Nasal nerves, nasopalatine and incisive nerve, greater and lesser palatine nerves

32
Q

Nerves which pass through the SPHENOPALATINE FORAMEN

A

Nasal nerves, incisive nerve (from nasopalatine nerve), greater and lesser palatine nerves

33
Q

The infraorbital nerve passes through the …. then the … and passes through the orbital canal forming the …

A

INFERIOR ORBITAL FISSURE, INFRAORBITAL SULCUS, INFRAORBITAL FORAMEN

34
Q

Zygomatic nerve enters through the … and gives rise to … and …

A

INFERIOR ORBITAL FISSURE, ZYGOMATICOTEMPORAL AND ZYGOMATICOFACIAL

35
Q

Make an scheme of the branches of the maxillary nerve (V2)

36
Q

Infraorbital nerve supplies…

A

Skin of medial-inferior eyelid, lateral aspect of the nose, upper lip and cheeks

37
Q

Zygomatic nerves will supply…

A

Skin lateral to the eye

38
Q

The zygomaticotemporal branch will anastomose with…

A

The lacrimal nerve from V1

39
Q

Alveolar nerves supply…

40
Q

Primary palate is innervated by…

A

Nasopalatine nerve (incisive nerve)

41
Q

Secondary palate is innervated by….

A

Greater palatine nerve

42
Q

Soft palate is innervated by…

A

Lesser palatine nerve

43
Q

Lateral posterior superior wall of nasal cavity is innervated by….

A

Posterior superolateral branch of nasal nerves

44
Q

Medial posterior wall of nasal cavity is innervated by…

A

Nasopalatine nerve

45
Q

Lateral posterior inferior wall of nasal cavity is innervated by….

A

Posterior inferior lateral nerve (branch of greater palatine nerve)

46
Q

Blood supply to the nasal cavities and palate are branches of the ….

A

Sphenopalatine artery

47
Q

The maxillary artery becomes the … in the pterygopalatine fossa

A

sphenopalatine artery

48
Q

branches of the maxillary artery accompany … branches

49
Q

Sensory branches of the mandibular branch (V3)

A

Bucal nerve, inferior alveolar nerve and lingual nerve

50
Q

Origin of the middle meningeal artery

A

Maxillary artery

51
Q

NON-TRIGEMINAL SOMATIC AFFERENTS IN THE FACE
Mucosa of the tympanic cavity is innervated by the…

A

Tympanic nerve (Glossopharyngeal IX)

52
Q

NON-TRIGEMINAL SOMATIC AFFERENTS IN THE FACE
Oropharynx is innervated by the…

53
Q

NON-TRIGEMINAL SOMATIC AFFERENTS IN THE FACE
Laryngopharynx is innervated by the….

A

Vagus nerve

54
Q

NON-TRIGEMINAL SOMATIC AFFERENTS IN THE FACE
Skin at the angle of the mandible and lateral aspect of the skin of the skull and neck is innervated by the…

A

Cervical plexus (greater auricular, lesser occipital, transverse cervical nerve…)

55
Q

NON-TRIGEMINAL SOMATIC AFFERENTS IN THE FACE
The skin of the posterior skull is innervated by the…

A

GREATER OCCIPITAL NERVE

56
Q

What is the Hering’s nerve?

A

Glossopharyngeal nerve that goes to carotid body and sinus (visceral afferents)

57
Q

Summary of sensory innervation CRANIAL NERVES

58
Q

The sensory neurons that convey information from the skin of the neck, the angle of the mandible and the posterior aspect of the auricle are located in cervical dorsal root ganglia (T/F)

59
Q

A schwannoma (a tumor from the Schwann cells surrounding the nerve fibers) of the mandibular nerve located in the infratemporal fossa next to the oval foramen will lead to deficits in all of the following sensory modalities except:

touch from the skin of the chin and lower lip

touch from the anterior 2/3 of the tongue

pain from the lower dental arcade

taste from the anterior 2/3 of the tongue

A

taste from the anterior 2/3 of the tongue

60
Q

The trigeminal nerve provides sensory innervation to the derivatives of the 1st pharyngeal arch and the frontonasal prominence (T/F)

61
Q

The sensory neurons that convey taste information from the anterior 2/3 of the tongue are located in the geniculate ganglion (T/F)

62
Q

A woman goes to the dentist to have an inferior molar removed. The anesthesia that she is administered should act on … which of the following nerves?
Inferior alveolar, hypoglossal, buccal, lingual

A

Inferior alveolar

63
Q

A meningioma (a tumor from the meninges) that compresses the foramen rotundum will lead to a sensory deficit from all of the following areas except: palate, inferior lid and cheek, posterior 2/3 of the nasal cavities, upper lip, anterior 1/3 of the nasal cavity.

A

anterior 1/3 of the nasal cavity

64
Q

Which of the following nerves is NOT a branch of the ophthalmic division (V1) of the trigeminal nerve?
Frontal, optic, lacrimal, nasociliary

65
Q

Name the branch of V1 that supplies each of the following areas:
1. Lateral upper lid and forehead
2. Cornea
3. anterior third of nasal mucosa and distal dorsum and tip of the nose
4. Posterior ethmoidal cells
5. medial angle of the eye and lower lid
6. medial and intermediate upper lid and forehead

A
  1. Lacrimal nerve
  2. Short and long ciliary nerves
  3. Anterior ethmoidal nerve
  4. Posterior ethmoidal nerve
  5. Infratochlear nerve
  6. supraorbitary & supratrochlear nerves
66
Q

The sensory innervation of the face is mainly supplied by the …

A

Trigeminal nerve

67
Q

The arteries supplying the orbit and its contents are branches of the ophthalmic artery which is a branch of the facial artery (T/F)

68
Q

Nervios cutáneos cabeza y cuello

ANATOMY HEAD AND NECK (9 decks)

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