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HFF - Exam 3 > Test 3 - Special Senses > Flashcards

Test 3 - Special Senses Flashcards

1
Q

What are the 3 Superior facial mm you need to know?

A

Proceeds

Nasalis

Levator labii superioris alaeque nasi

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2
Q

What cartilages are on the nose?

A

Lat cartilage

Septal cartilage

Alar cartilage

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3
Q

3 conchae and 3 meatuses?

A

Sup, mid, inf for both.

Meatuses lay below respective conchae

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4
Q

What are the major sources of blood for the LATERAL nasal cavity? (3)

A

ICA - Ophthalmic - ethmoidal aa. (Ant and post)

ECA - Maxillary - Sphenopalatine - Lat Post Nasal aa.

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5
Q

What are the major sources of blood to the nasal septum?

A

ICA - ophthalmic - Ethmoidal aa - ant septal bb.

ECA - Maxillary - sphenopalatine - Post septal bb.
- Facial - septal branch of superior labial a.

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6
Q

What plexus is in the anteroinferior portion of the nose?

A

Kiesselbach’s plexus

*Nose bleeds

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7
Q

What is the innervation to the nasal cavity and septum?

A

V1 - Ant nasal septum and cavity
-> Ant ethmoidal nerve

V2 - Rest of the nasal septum and cavity
->Nasopalatine (sphenopalatine) via sphenopalatine foramen

*ALSO, CN I

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8
Q

Tears take what route?

A

Lacrimal gland

Sup/Inf puncta

Sup/Inf lacrimal canaliculi

Lacrimal sac

Nasolacrimal duct

Drains below the concha

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9
Q

What are the 4 sinuses?

A

Frontal

Ethmoid (Air cells)

Maxillary

Sphenoid

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10
Q

What sinuses drain into the middle meatus?

A

Frontal
Ethmoid
Maxillary

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11
Q

What does the ethmoid sinus drain into?

A

Sphenoethmoidal recess

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12
Q

What drains tears?

A

Lacrimal duct

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13
Q

What drains the ear?

A

Pharyngeal orfice of auditory tube

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14
Q

4 parts of the external ear?

A

Helix

Lobule

Travis

Ext acoustic meatus

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15
Q

What does sensory of the superoanterior ear?

A

Auriculotemporal

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16
Q

What does sensory of posterior ear?

A

Lesser occipital

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17
Q

What does sensory inferior to the ear?

A

Great auricular

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18
Q

On the actual auricle, what is doing sensory? (2 CNs)

A

VII

X

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19
Q

What does sensory to tympanic membrane?

A

Outer - X

Inner - IX

20
Q

What does sensory to middle ear?

A

CN IX

*With some CN VII

21
Q

What vasculates middle ear?

A

Branches of maxillary artery

  • Ant Tympanic
  • Deep auricular
22
Q

What are the ossicles?

A

Malleus
Incus
Stapes

  • Stapes pushes on what?
  • Oval window
  • Malleus is on what?
  • Tympanic membrane
23
Q

What is in the internal ear?

What nerve is major here?

A

Cochlea

Semicircular canals

CN VIII

24
Q

What are the three major external ear muscles?

What innervates them?

What artery supplies them?

A

Auricularis ant

Auricularis sup

Auricularis post

CN VII (Facial expression)

Sup temp, post auricular, etc.

25
Q

What muscles closes the eye?

A

Orbicularis oculi

CN VII

26
Q

What two muscles act on the eyelid?

A

Levator palpebrae superioris m
-CN III

Sup tarsal m
-Sympathetics from T1 spinal cord
—Pregang - T1
—Postgang - Sup cerv gang

27
Q

3 major layers of the eyeball.

A

Sclera/cornea

Choroid layer

Retina

28
Q

What is sensory to the cornea?

A

V1

*Cornea is clear bulb in ant eye

29
Q

What is in the choroid layer?

A

Ciliary m
—Lens
Iris - Colored part

30
Q

What does the ciliary muscle do?

A

When the MUSCLE is relaxed, the suspensory ligaments are TIGHT and the lens is flat
—This is for looking at the mountains

When the MUSCLE contracts, the suspensory ligaments are LOOSE and the lens is fat
—This is for reading a book

31
Q

Ciliary muscle, symp or parasymp?

A

PARASYMP

32
Q

The sphincter pupillae muscle does what?

Parasymp or symp?

What nerve?

A

Constricts the pupil

Parasymp

CN III

33
Q

Which reflex uses only sphincter pupillae?

A

Pupillary light reflex

34
Q

Which reflex uses both the sphincter pupillae and the ciliary muscle?

A

Accommodation (lens reshaping for looking at things of different distances)

35
Q

Both the ciliary muscle and sphincter pupillae muscle use what route to get to the eye?

A

Accessory oculomotor nucleus to ciliary ganglion to eye

36
Q

The dilator pupillae muscle does what?

What response?

A

Dilates the pupil

Sympathetic

37
Q

What other muscle of the eye is sympathetically innervated?

A

Superior tarsal muscle

38
Q

What is Horner’s syndrome?

A

Lack of sympathetic innervation to the head

39
Q

What are the symptoms of Horner’s syndrome?

A

Ptosis - droopy eyelid

Anhydrosis - decreased sweating

Miosis - constricted pupil

**PAM (Ptosis, Anhydrosis, Miosis) has Horn’s

40
Q

What on the retina gives the point of highest acuity?

A

Fovea centralis

41
Q

T/F - The pupillary reflex is a consensual reflex.

A

TRUE

*Utilizes the Edinger-Westphal nucleus (parasymp)

42
Q

What does LR6SO4R3 mean?

A

Lat rectus - CN 6

Sup oblique - CN 4

Rest - CN 3

43
Q

Know the anatomical actions.

A

Lat rectus (6) - Lateral

Med rectus (3) - Medial

Sup rectus (3) - Sup and medial

Inf rectus (3) - Inf and medial

Sup oblique (4) - INF and LAT

Inf oblique (3) - SUP and LAT

44
Q

Ophthalmic a comes off what?

And what are its branches?

A

ICA

-Lacrimal
-Frontal (Supratrochlear)
—Ant ethmoid
—Post ethmoid
-Supraorbital

45
Q

DRAW THE BRACHIAL PLEXUS!

A

NOW!

46
Q

DRAW THE CERVICAL PLEXUS!

A

NOW!

HFF - Exam 3 (19 decks)

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