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Radiology > Skull Quiz > Flashcards

Skull Quiz Flashcards

1
Q

Position of part with MML perpendicular?

A

Waters (Parietoacanthial)

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2
Q

What projection forms a 37 degree to the IR?

A

Reverse Waters

Acanthoparietal

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3
Q

What projection is the IOML // ? (Vertex of head on IR)

A

Submentovertex (SMV)

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4
Q

What projection is the IPL perpendicular?

A

Lateral Skull.

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5
Q

What’s different must you do for PA Axial Caldwell for sinuses?

A

Always do sinuses upright, never angle tube.

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6
Q

CR for AP/PA?

A

Nasion.

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7
Q

CR for PA Axial Caldwell (AP Axial)?

A

15 degrees caudal

15 degrees cephalic

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8
Q

CR for AP Axial Towns?

A

30 degrees caudal

2 inches above glabella

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9
Q

CR for Waters or Parietoacanthial?

A

Acanthion.

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10
Q

CR for Reverse Waters or acanthoparitial?

A

Acanthion.

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11
Q

CR for Submentovertex (SMV)?

A

Just below mental point.

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12
Q

CR for Lateral Skull?

A

2 inches above EAM.

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13
Q

CR for Lateral Facial?

A

Zygoma/Arch

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14
Q

CR for Lateral Sinuses?

A

1 inch posterior outer canthus.

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15
Q

CR for Lateral Nasal?

A

At nasion (no grid!)

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16
Q

EC for AP/PA

A

Petrous ridges orbits

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17
Q

EC for PA Axial Caldwell (AP Axial)?

A

PR lower 1/3 of orbits.

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18
Q

EC for AP Axial Towns?

A

Dorsom sellae plus posterior clinoid processes are within the foramen magnum.

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19
Q

EC for Waters (Parietoacanthial)

A

PR are just below the maxillary sinuses.

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20
Q

EC for Reverse Waters or Acanthoparitial?

A

PR are just below the maxillary sinuses.

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21
Q

EC for Submentovertex (SMV)?

A

PR are just below the maxillary sinuses.

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22
Q

Part of position with OML perpendicular?

A

AP/PA
PA Axial Caldwell (AP Axial)
AP Axial Towns

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23
Q

cranial bones

A 
1 frontal
1 occipital
2 parietals
1 ethmoid
1 sphenoid
2 temporals
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24
Q

facial bones

A 
2 nasal
2 lacrimal
2 maxillary
2 zygomatic
2 palatine
2 inferior nasal conchae
1 vomer
1 mandible
25
Q

coronal suture

A

between frontal and parietal bones

26
Q

sagittal suture

A

between the two parietal bones

27
Q

squamosal suture

A

between temporal and parietal bones

28
Q

lambdoidal suture

A

between occipital and parietal bones

29
Q

calvaria

A

superior part of skull

30
Q

floor of skull

A

where brain rests

31
Q

fontanels

A

soft spots; located on infants where the cranial bones have not yet fused

32
Q

fontal bone

A

frontonasal suture (nasion)
roof of orbit
frontal sinus

33
Q

ethmoid bone

A 
between orbits behind nasal bones
cribiform plate
crista galli
perpendicular plate
labyrinths (contain ethmoid sinuses)
34
Q

parietal bones

A

sides and roof of cranium

35
Q

sphenoid bone

A 
sphenoid sinus
sella turcica (pituitary gland)
dorsum sellae (posterior part of sella turcica; bears the posterior clinoid processes
36
Q

occiptial bone

A

articulates with the atlas
foramen magnum
external occipital proturberance (inion)

37
Q

temporal bones

A

EAM
part of the zygomatic arches
petrous portion
TMJ

38
Q

nasal bones

A

form superior wall of nasal cavity

39
Q

lacrimal bones

A

foramen for tear duct

40
Q

maxillary bones

A 
lateral walls and floor of nasal cavity
part of prominence of cheeks
part of orbit
alveolar process
anterior nasal spine (acanthion)
41
Q

zygomatic bones

A

part of zygomatic arches

part of orbit

42
Q

palatine bones

A

part of roof of mouth

43
Q

inferior nasal conchae

A

scroll-like appearance from nasal cavity

44
Q

vomer

A

part of nasal septum

45
Q

mandible

A 
body
rami
symphysis
angle (gonion)
mental point
TMJ
46
Q

3 bones of orbital rim

A

frontal; zygoma; maxillary

47
Q

nasal cavity

A

nasal bones & maxillary bones

48
Q

roof of mouth (hard palate)

A

maxillary bones & palatine bones

49
Q

zygomatic arches

A

zygoma & temporal bones

50
Q

nasal septum

A

vomer & perpendicular plate of ethmoid

51
Q

prominence of the cheeks

A

maxillary bones & zygomatic bones

52
Q

what make up the paranasal sinuses?

A

maxillary
frontal
ethmoid
sphenoid

53
Q

paranasal sinuses

A

air-containing cavities that communicate with the nasal cavity

54
Q

maxillary sinuses

A

largest

one in each maxilla bone

55
Q

frontal sinuses

A

located in frontal bone

56
Q

ethmoid sinuses

A

located within the right and left labyrinths of ethmoid bone

57
Q

sphenoid sinuses

A

located below sella turcica

located posterior to ethmoid sinuses

58
Q

always & never for sinuses:

A

always do sinuses upright

never angle the tube for sinuses

Radiology (20 decks)

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