Skull Quiz Flashcards Preview

Radiology > Skull Quiz > Flashcards

Flashcards in Skull Quiz Deck (58):
1

Position of part with MML perpendicular?

Waters (Parietoacanthial)

2

What projection forms a 37 degree to the IR?

Reverse Waters
Acanthoparietal

3

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

Submentovertex (SMV)

4

What projection is the IPL perpendicular?

Lateral Skull.

5

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

Always do sinuses upright, never angle tube.

6

CR for AP/PA?

Nasion.

7

CR for PA Axial Caldwell (AP Axial)?

15 degrees caudal
15 degrees cephalic

8

CR for AP Axial Towns?

30 degrees caudal
2 inches above glabella

9

CR for Waters or Parietoacanthial?

Acanthion.

10

CR for Reverse Waters or acanthoparitial?

Acanthion.

11

CR for Submentovertex (SMV)?

Just below mental point.

12

CR for Lateral Skull?

2 inches above EAM.

13

CR for Lateral Facial?

Zygoma/Arch

14

CR for Lateral Sinuses?

1 inch posterior outer canthus.

15

CR for Lateral Nasal?

At nasion (no grid!)

16

EC for AP/PA

Petrous ridges orbits

17

EC for PA Axial Caldwell (AP Axial)?

PR lower 1/3 of orbits.

18

EC for AP Axial Towns?

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

19

EC for Waters (Parietoacanthial)

PR are just below the maxillary sinuses.

20

EC for Reverse Waters or Acanthoparitial?

PR are just below the maxillary sinuses.

21

EC for Submentovertex (SMV)?

PR are just below the maxillary sinuses.

22

Part of position with OML perpendicular?

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

23

cranial bones

1 frontal
1 occipital
2 parietals
1 ethmoid
1 sphenoid
2 temporals

24

facial bones

2 nasal
2 lacrimal
2 maxillary
2 zygomatic
2 palatine
2 inferior nasal conchae
1 vomer
1 mandible

25

coronal suture

between frontal and parietal bones

26

sagittal suture

between the two parietal bones

27

squamosal suture

between temporal and parietal bones

28

lambdoidal suture

between occipital and parietal bones

29

calvaria

superior part of skull

30

floor of skull

where brain rests

31

fontanels

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

32

fontal bone

frontonasal suture (nasion)
roof of orbit
frontal sinus

33

ethmoid bone

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

34

parietal bones

sides and roof of cranium

35

sphenoid bone

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

36

occiptial bone

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

37

temporal bones

EAM
part of the zygomatic arches
petrous portion
TMJ

38

nasal bones

form superior wall of nasal cavity

39

lacrimal bones

foramen for tear duct

40

maxillary bones

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

41

zygomatic bones

part of zygomatic arches
part of orbit

42

palatine bones

part of roof of mouth

43

inferior nasal conchae

scroll-like appearance from nasal cavity

44

vomer

part of nasal septum

45

mandible

body
rami
symphysis
angle (gonion)
mental point
TMJ

46

3 bones of orbital rim

frontal; zygoma; maxillary

47

nasal cavity

nasal bones & maxillary bones

48

roof of mouth (hard palate)

maxillary bones & palatine bones

49

zygomatic arches

zygoma & temporal bones

50

nasal septum

vomer & perpendicular plate of ethmoid

51

prominence of the cheeks

maxillary bones & zygomatic bones

52

what make up the paranasal sinuses?

maxillary
frontal
ethmoid
sphenoid

53

paranasal sinuses

air-containing cavities that communicate with the nasal cavity

54

maxillary sinuses

largest
one in each maxilla bone

55

frontal sinuses

located in frontal bone

56

ethmoid sinuses

located within the right and left labyrinths of ethmoid bone

57

sphenoid sinuses

located below sella turcica
located posterior to ethmoid sinuses

58

always & never for sinuses:

always do sinuses upright
never angle the tube for sinuses