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Oc Anatomy 1 > exam 1 > Flashcards

exam 1 Flashcards

1
Q

what is the ora serrata

A

the end of the retina

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2
Q

name the cranial bones
(which ones paired?)
How many total bones

A
  1. frontal - 1
  2. parietal -2
  3. temporal - 2
  4. occipital -1
  5. sphenoid -1
  6. ethmoid -1

8 total

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3
Q

name facial bones
name the cranial bones
(which ones paired?)
How many total bones

A
  1. nasal - 2
  2. maxilla - 2
  3. zygomatic - 2
  4. inferior nasal conchae - 2
    5.palatine - 2
  5. lacrimal - 2
  6. mandible - 1
  7. vomer - 1

(14 total)

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4
Q

crista gali is part of what bone

A

ethmoid

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5
Q

name meningies (inner to outer)

A
  1. pia matter
  2. arachnoid
  3. dura matter
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6
Q

notch that is more medial
is it always there?

A

frontal notch
sometimes not there

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7
Q

what bone is the trochlear foss at

A

frontal bone

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8
Q

where is the lateral orbital tubercle located (aka what bone is it on )

A

zygomatic bone

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9
Q

orbital plate is part of what bone

A

maxilla

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10
Q

perpendicular plate is part of what bone

horizonta plate part of what

A

perpendicular - ethmoid
horizontal - palatine

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11
Q

Is the posterior or anterior portion of lacimal fossa is on the maxilla

A

anterior

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12
Q

cribriform plate is from what bone
what goes through here

A

ethmoid
olfactory nerve

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13
Q

anterior clinoid process is part of what bone

A

sphenoid

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14
Q

V1, V2,V3 foramina

what bone are these foramina on

what bone is the trigeminal impression on

A

V1 - Superior orbital fissue
v2 - foramen rotundum
V3 - foramen ovale

Standing Room Only

sphenoid

petrous of the temporal bone

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15
Q

what CN goes down clivus

what two bones make it up clivus

A

CN 6
sphenoid and occipital bone

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16
Q

what CN goes through jugular foramen

A

9, 10, 11

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17
Q

mastoid and styloid process is part of what bone

A

temporal bone

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18
Q

where is the inion

A

external occipital protuberance

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19
Q

hypoglassal canal is part of what bone

A

occipital bone

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20
Q

bones part of nasal septum

A

ethmoid, vomer

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21
Q

where does the nasolacrimal drain into

A

inferior nasal meatus

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22
Q

____Superior Orbital fissure ___
-formed by :
-connects what:

____Inferior Orbital fissure ___
-formed by :
-connects what:

A

____Superior Orbital fissure ___
-formed by : greater and lesser wing
of sphenoid
-connects what: cranium to orbit

____Inferior Orbital fissure ___
-formed by : maxilla and greater
wing
-connects what: orbit to
pterygopalatine fossa

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23
Q

for sx for pituitary tumor, surgeon can go through nose then cut through what bone

A

sphenoid

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24
Q

what are the 7 bones of the orbit

A
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25
Q

angle between medial and lateral wall ____
two lines coming from the center of orbit would be what degree ______

A

angle between medial and lateral wall __45__
two lines coming from the center of orbit would be what degree ___22.5___

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26
Q

what is the thinnest wall of orbit

A

medial

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27
Q

Match the meninges relationships

falx cerebri
tentorium cerebelli
falx cerebelli

Separates hemispheres
Separates cerebrum from cerebellum
Attached to cristagali
Separates cerebellar halves

A

falx cerebri
- seperates hemispheres
-attatches to crista galli

tentorium cerebelli
-seperates cerbrum from cerebellum

falx cerebelli
- cerebellar halves

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28
Q

Name the foramen it goes through

Olfactory
abducens
Vagus
trocheal

A

Olfactory - cribiform foramina
abducens - superior orbital fissure
**Vagus - jugular foramen
trochlear- superior orbital fissure

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29
Q

Name the foramen it goes through

vestibulocochlear
facial
oculomotor
optic nerve

A

vestibulocochlear - internal acoustic meatus

facial - internal acoustic meatus

oculomotor - supperior orbital fissure
optic nerve -optic canal

30
Q

Name the foramen it goes through

accessory
hypoglossal
glossopharyngeal

A

accessory - jugular foramen
hypoglossal - hypoglossal
glossopharyngeal - juglar

31
Q

what nerve goes through

jugular foramen

internal acoustic meatus

A

jugular foramen (9,10,11)
1. glossolphayngeal
2. vegas
3. accessory

internal acoustic meatus
1. facial 7 (exits stylomastoid
foramen)
2. vestibulocochear 8

32
Q

what is collateral circulation

A

alternate or “backup” blood vessels in your body that can take over when another artery or vein becomes blocked or damaged

33
Q

what is the main supply to orbit (globe)

A

internal carotid via ophthalmic artery (90%) of orbit

34
Q

Main supply of inner retina

A

Central retinal artery

35
Q

Central retinal artery pierces what

A

Optic nerve

36
Q

What does the central retinal artery occlusion look like

A

Pale retina

37
Q

What can spare vision for central retinal artery occlusion

A

Cilioretinal artery

38
Q

What joins to form circle of zinn haller
What does zinn haller supply blood too

A

Short posterior cilliary artery

Optic nerve

39
Q

MACI is made of what

A

LPCA
Anterior cilliary artery

40
Q

Where does the anterior ciliar artery pierce

A

Near limbus and comes from muscular branch

41
Q

What does NAION look like

A

Non arteritic ischemic optic neuropathy

It is caused by low bp (non arteritic)

Edema nerve or sectorial

42
Q

Long posterior ciliary artery enter what part of the eye

A

Enter Ciliary body (in between sclera and choroid)

43
Q

What artery supplies skin muscle and forhead scalp and brows and upper lids

A

Supraorbital

44
Q

Infraorbital artery branches from what

A

Maxillary from the external carotid

45
Q

Dorsal nasal artery anastomis with what ?
What are their origins

A

Infraorbital(from maxillary) and angular art from (from facial artery)

46
Q

Angular artery branches from where

A

Facial

47
Q

Zygomatico orbital artery branches from what

What about these…
Zygomaticotemporal
Zygomaticofacial

A

Orbital- Superficial temporal that comes from external carotid

Zygomatico tempura and facial come from lacrimal artery<ophthalmic art

48
Q

Name three branches from external carotid

A

Facial
Superficial temporal
Maxillary

49
Q

What facial artery goes towards the medial canthus

A

Angular artery also goes around nose

50
Q

Name the artery that is inflamed that causes blindness in temporal arteritis

A

Short posterior ciliary arteries

51
Q

The middle meningeal artery travels through what foramen

A

Spinosum

52
Q

What veins follows ophtalmic artery

A

Superior ophthalmic vein

53
Q

What drains the inner retina, then where does it drain
What drains the choroid

A

Inner retina - Central retinal vein , superior orbital vein
Choroid - vortex vein > superior or inferior orbital vein

54
Q

What follows path of central retinal artery

A

Central retinal vein

55
Q

What does the central retinal vein occlusion look like

A

Blood and thunder

56
Q

Name sensory ganglion
Do they synapse here

A
  1. Trigeminal
  2. Genucleate
  3. Glossopharygeal
  4. Vagal
57
Q

Name para sympathetic ganglion

A
  1. Ciliary
  2. Pterygopalatine
  3. Submandibular
  4. Otic
58
Q

Name the sympathetic gangion

A

Cervical superior

59
Q

Name the sensory cranial nerves

A
  1. Olfactory
  2. Optic
  3. Vestibularcochlar
60
Q

Name mixed cranial nerves

A
  1. Trigeminal
  2. Facial
  3. Glossopharyngeal
  4. Vegas

Think cute face in vegas ….. triGEMinal FACIAL GLOSSopharyngeal VEGAS

61
Q

Name the motor nerves

A
  1. oculomotor
  2. Abducens
  3. Trochlear
  4. Accesory
  5. Hypoglassal
62
Q

Nerve for sensory of skin along center of nose

A

Anterior ethmoid nerve through external nasal branch

63
Q

Sensory nerve for cornea iris scleral ciliary muscles

A

Short ciliary

64
Q

Sympathetic innervation of iris dilator

A

Long scilliary nerve

65
Q

Nasocilliary is afferent or efferent

A

Afferent

66
Q

Structures in cavernous sinus

A

Oculomotor
Trochlear
V1
V2
Abducents
Internal carotid

67
Q

Sensory nerves of eye lid

A

-Lacrimal nerve ( lactimal)
-infratrochlear (nasociliary)
-supra orbital (Frontal)
-supra trochlear (frontal)
-Infraorbital (maxillary)
-Zygomatic facial (maxillary)

68
Q

Cranial nerve for iris sphincter

A

Oculomotor

69
Q

Preganglion neurons come from (name for each)

Parasympathetic
Sympathetic

A

Parasympatheic craniosacral
Sympathetic - thoracolumbar T1 - L2

70
Q

White matter:
Grey matter:

A

White : myelinated axons
Grey: cell bodies synapse

Brain - grey outside white inside
Spine- white outside grey inside

Oc Anatomy 1 (3 decks)

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