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Anatomy > Tongue, Eyes, Ear > Flashcards

Tongue, Eyes, Ear Flashcards

1
Q

The tongue is attached to these structures: above

A
  1. styloid process

2. Soft palate

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2
Q

The tongue is attached to these structures: below

A
  1. Mandible

2. Hyoid bone

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3
Q

___ is a small pit at the apex of the tongue

A

foramen cecum

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4
Q

___ is a small nipple shaped projections on the anterior 2/3 of the dorsum of the tongue

A

lingual papillae

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5
Q

[papillae]

arranged in the form of V in front of the sulcus terminalis

A

vallate

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6
Q

[papillae]

mushroom shaped projections scattered on the sides and apex of the tongue

A

fungiform papillae

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7
Q

[papillae]

slender, conical projections arranged in rows parallel to the sulcus terminalis

A

filliform papillae

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8
Q

[papillae]

rudimentary in humans

A

foliate

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9
Q

What innervates the intrinsic muscles of the tongue?

A

CN XII

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10
Q

What are the extrinsic muscles of the tongue?

A
  1. Palatoglossus
  2. Styloglossus
  3. Hyoglossus
  4. Genioglossus
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11
Q

What extrinsic muscle of the tongue is not innervated by the hypoglossal nerve?

A

Palatoglossus - innervated by CN 10

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12
Q

What innervates the mucous membrane of the anterior 2/3 of the tongue

A

CN 5

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13
Q

What innervates the mucous membrane of the posterior 1/3 of the tongue

A

CN 10

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14
Q

What innervates the taste buds in the anterior 2/3 of the tongue

A

CN 7

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15
Q

What innervates the taste buds in the posterior 1/3 of the tongue

A

CN 9

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16
Q

What innervates the tongue?

A

Lingual artery from the ECA

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17
Q

[Lymph drainage of the tongue]

Posterior 1/3

A

superior deep cervical LN

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18
Q

[Lymph drainage of the tongue]

medial ant 2/3

A

inferior deep cervical LN

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19
Q

[Lymph drainage of the tongue]

Lateral ant 2/3

A

submandibular LN

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20
Q

[Lymph drainage of the tongue]

apex

A

submental

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21
Q

The bulk of the tongue is composed of ____

A

genioglossus

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22
Q

What is the chorda tympani?

A

A branch of CN 7 that supplies the taste sensation on the anterior 2/3 of the tongu

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23
Q

[eye]

what innervates the lateral rectus?

A

LR 6

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24
Q

[eye]

what innervates the superior oblique

A

SO 4

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25
Q

[Guess the nerve injury involved]

After injury, the eye is

abducted
Depressed
ptosis
pupil dilation

A

CN III

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26
Q

[Guess the muscle injury involved]

After injury, the eye is

extorted

A

SO damaged

CN IV

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27
Q

[Guess the muscle injury involved]

After injury, the eye is

adducted

A

abduction is affected = LR = CN 6

CN 6 = abducens = abduct = LR

28
Q

[Guess the muscle injury involved]

After injury, the eye is
medial deviation
paralysis during abduction of the ipsilateral eye

A

CN VI, abducens

29
Q

What nerve is located beneath the facial colliculus if the floor of the 4th ventricle in the caudal pons

A

abducens nerve = CN 6

30
Q

What nerve is located at the ventral border of the periaqueductal gray of the midbrain at the level of inferior colliculus?

A

Trochlear nucleus

31
Q

[Guess the muscle injury involved]

After injury, the eye is

slight extorsion
compensated by head tilting

A

CN 4 = SO 4

Remember: tilt your head and say SO?

32
Q

The upper and lower eyelids drain to whan LN?

A
  1. Superficial parotid LN

2. Pre-auricular LN

33
Q

The medial eye drains to what LN?

A

submandibular LN

34
Q

[Lesion of the optic pathway]

monocular vision loss

A

optic nerve

35
Q

[Lesion of the optic pathway]

bitemporal hemianopsia

A

optic chiasm

36
Q

[Lesion of the optic pathway]

contralateral homonymous hemianopsia

A

optic tract

37
Q

[Lesion of the optic pathway]

contralateral superior quadrantanopsia

A

Inferior optic radiation

38
Q

[Lesion of the optic pathway]

contralateral inferior quadrantanopsia

A

Superior optic radiation

39
Q

This refers to the hypophysis cerebri

A

pituitary gland

40
Q

[Pituitary gland]

the hypophysial pouch gives rise to ___ lobe

A

anterior lobe

41
Q

[Pituitary gland]

this is an upgrowth from roof of primitive mouth

A

Rathke pouch = anterior lobe = adenohypophysis

42
Q

[Pituitary gland]

this comes from the downgrowth of the diencephalon

A

neurohypophysial bud

43
Q

[Pituitary gland]

the posterior lobe comes from ___ bud

A

neurohypophysial bud

44
Q

[Pituitary gland]

What are the parts of the anterior pituitary

A
  1. Pars distalis
  2. Pars intermedia
  3. Pars tuberalis
45
Q

[Pituitary gland: anterior lobe]

largest part, responsible for hormone secretion

A

pars distalis

46
Q

[Pituitary gland: anterior lobe]

it is an upward extension of the pars distalis that surrounds the infundibulum

A

pars tuberalis

47
Q

[Pituitary gland]

what are the parts of you posterior lobe?

A
  1. Pars nervosa

2. Infundibulum

48
Q

[Pituitary gland]

What is the arterial supply of your anterior pituitary gland

A

superior hypophyseal artery (from ICA)

49
Q

[Pituitary gland]

what are the arterial supply of your posterior pituitary?

A
  1. Superior hypophyseal
  2. Infundibular
  3. Inferior hypophyseal artery
50
Q

What are the hormones produced by you anterior pituitary?

A
  1. FSH
  2. LH
  3. ACTH
  4. TSH
  5. PRL
  6. GH

Remember, FLAT PiG

51
Q

What are the hormones secreted by your posterior pituitary?

A
  1. ADH

2. Oxytocin

52
Q

ADH and oytocin are produced in what nuclei?

A

Supraoptic and paraventricular nuclei of the hypothalamus

53
Q

This is also called the epiphyses cerebri

A

pineal gland

54
Q

Corpora aranacea is located i ____

A

pineal gland

55
Q

What innervates the external ear?

A
  1. Auricular branch of the vagus and facial nerve
  2. Greater auricular nerve
  3. Auriculotemporal branch of trigeminal nerve
  4. Lesser occipital nerve
56
Q

What is the length of the external auditory meatus?

A

2.5cm

57
Q

What innervates the external auditory meatus?

A
  1. Auriculotemporal branch of the trigeminal nerve

2. Auricular branches of the 7,9,10

58
Q

the external auditory meatus is ___ cartilagenous and ___ bony

A

1/3 cartilagenous

2/3 bony

59
Q

What innervates the lateral concave surface of the tympanic membrane?

A
  1. Auriculotemporal branch of CN 5

2. Auricular branch of CN 7, 9, 10

60
Q

What innervates the medial surface of the tympanic membrane?

A
  1. Tympanic branch of CN9
61
Q

The cone of light is seen in what quadrant of the tympanic membrane?

A

Anteroinferior quadrant

62
Q

The tympanic cavity contain these nerve

A
  1. Chorda tympani (branch of CN 7)

2. Tympanic plexus of CN 9

63
Q

What innervates the tympanic cavity?

A
  1. Tympanic branch of CN 9
64
Q

What innervates the stapedius muscle?

A

CN 7 - hyperacusis

65
Q

What innervates the tensor tympani?

A

mandibular branch of CN 5

66
Q

[Sensory organ of the ear]

for linear acceleration

A

Utricle

Saccule

67
Q

[Sensory organ of the ear]

for angular acceleration

A

Ampullae of the semicircular duct

Anatomy (37 decks)

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