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Hannah RAD II > SKULL > Flashcards

SKULL Flashcards

1
Q

which positioning line extends from the EAM to the outer canthus?

A

Ordbitomeatal

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2
Q

which positioning landmark is located at the base of the nasal spine?

A

Acanthion

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3
Q

which positioning landmark is located at the most superior point of the nasal bones?

A

Nasion

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4
Q

which positioning landmark is the smooth elevation that is located between the superciliary arches?

A

Gladbella

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5
Q

which positioning landmark is most superior?

A

Glabella

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6
Q

where on the skull is the gonion located?

A

On the lateroposterior part of the mandible

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7
Q

where on the skull is the outer canthus located?

A

On the lateral of each orbit

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8
Q

which positioning landmark is located at the anterior portion of the mandible?

A

Mental point

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9
Q

which structure articulates the frontal bone with both parietal bones?

A

Coronal

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10
Q

which suture joins both parietal bones at the vertex of the skull?

A

Sagittal

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11
Q

which suture joins a parietal bone with both a sphenoid bone and a temporal bone?

A

Squamosal [suture]

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12
Q

which suture joins both parietal bones with the occipital bone?

A

Lambdoidal [suture]

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13
Q

the bregma fontanelle is located at the junction of which two sutures?

A

coronal and sagittal [sutures]

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14
Q

the lambda fontanelle is located at the junction of which two sutures?

A

Lambdoidal and sagittal

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15
Q

the bregma fontanelle is located at the junction of which cranial bones?

A

Frontal and both parietals

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16
Q

The lambda fontanelle is located at the junction of which cranial bones?

A

Occipital and both parietals

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17
Q

Which skull classification refers to a typical skull (in terms of width and length)?

A

Mesocephalic

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18
Q

Which skull classification refers to a long, narrow skull?

A

Dolichocephalic

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19
Q

Which skull classification refers to a short, wide skull?

A

Brachycephalic

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20
Q

How many degrees are in the angle formed between the midsagittal plane and the petrous pyramides in the mesocephalic skull?

A

47 degrees

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21
Q

How many degrees are in the angle formed between the midsagittal plane and the petrous pyramides in the brachycephalic skull?

A

54 degrees

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22
Q

How many degrees are in the angle formed between the midsagittal plane and the petrous pyramids in the dolichocephalic skull?

A

40 degrees

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23
Q

On which cranial bone are the superciliary arches located/

A

Frontal

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24
Q

On which cranial bone is the cribriform plate located?

A

Ethmoid

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25
Q

On which cranial bone is the crista galii located?

A

Ethmoid

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26
Q

Which cranial bone has a petrous pyramid?

A

Temporal

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27
Q

On which cranial bone is the sella turcica located?

A

Sphenoid

28
Q

which cranial bone has the mastoid process?

A

Temporal

29
Q

On which cranial bone is the perpendicular plate located?

A

Ethmoid

30
Q

Which cranial bone has both greater and lesser wings?

A

Sphenoid

31
Q

With which cranial bone does the first cervical vertebra articulate?

A

Occipital

32
Q

The pterygoid processes project inferiorly from which cranial bone?

A

Sphenoid

33
Q

The foramen magnum is a part of which cranial bone?

A

Occipital

34
Q

From which cranial bone does the zygomatic process arise?

A

Temporal

35
Q

The EAM is a part of which cranial bone?

A

Temporal

36
Q

The temporal process projects [moc ra] posteriorly from which facial bone?

A

Zygomatic

37
Q

Which bones comprise the bridge of the nose?

A

Nasal

38
Q

With which bone does the mandible articulate/

A

Temporal

39
Q

Where are the lacrimal bones located?

A

On the medital wall of each orbit

40
Q

Where is the vomer bone found?

A

On the floor of the nasal cavity

41
Q

Which bone comprises most of the lateral wall of the orbital cavities?

A

Zygomatic

42
Q

Which term refers to the anterior process of the mandibular ramus?

A

Coronoid [process]

43
Q

Which term refers to the posterior process of the mandibular ramus?

A

Condyle [process]

44
Q

Which facial bones have alveolar processes?

A

Maxillae and mandible

45
Q

Which bones form the posterior one fourth of the roof of the mouth?

A

Palatine

46
Q

Which positioning landmark is located on the maxillae?

A

Acanthion

47
Q

Which two positioning lines or planes should be perpendicular to the IR for the PA projection of the skull?

A

Orbitomeatal line and midsagittal plane

48
Q

With reference to the patient, where should the IR be centered for the PA projection of the skull?

A

Nasion

49
Q

With reference to the patient, where should the IR be centered for the lateral projection of the skull?

A

2 inches (5cm) below the EAM

50
Q

With reference to the IR, how should the interpupillary line and the midsagittal plane be positioned for the lateral projection of the skull?

A

Interpupillary line: perpendicular; midsagittal plane: parrallel

51
Q

For the AP axial projection, Towne method, of the skull, how many degrees and in which direction should the central ray be directed when the OML is perpendicular to the IR?

A

30 degrees caudad

52
Q

for the AP axial projection, Towne method, of the skull, how many degrees and in which direction should the central ray be directed when the IOML is perpendicular to the IR?

A

37 degrees caudad

53
Q

Which positioning line should be parallel with the IR for the SMV projection of the skull?

A

Infraorbitomeatal line

54
Q

Which projection of the skull can be correctly performed wiht the central ray angled 37 degrees?

A

AP axial, Towne method

55
Q

Which projection of the skull can be correctly performed with the central ray angled 15 degrees?

A

PA axial, Caldwell method

56
Q

Which projection of the skull produces a full basal image of the cranium?

A

SMV, Schuller method

57
Q

Which projection of the skull projects the petrous bones in the lower third of the orbits?

A

PA axial, Caldwell method

58
Q

which projection of the skull should be obtained when the frontal bone is of primary interest?

A

PA with perpendicular central ray

59
Q

Which evaluation criterion pertains to the AP Axial projection, Towne method, of the skull?

A

Part of the sella turcica should be seen within the foramen magnum

60
Q

Which evaluation criterion pertains to the PA projection of the skull?

A

The distance from the lateral border of the skull to the lateral border of the orbit should be the same on both sides

61
Q

Which evaluation criterion pertains to the lateral projection of the skull?

A

The orbital roofs should be superimposed

62
Q

Which evaluation criterion pertains to the SMV projection of the skull?

A

The mental protuberance should superimpose the anterior frontal bone

63
Q

For the PA axial projection, Hass method, of the skull, where should the central ray enter the patient’s head/

A

1 1/2 inches (3.8 cm) below the external occipital protuberance

64
Q

How many degrees and in which direction should the central ray be directed for the PA axial projection, Hass method, of the skull?

A

25 degrees cephalad

65
Q

Which evaluation criterion pertains to the PA axial, Hass method, of the skull?

A

The dorsum sella and posterior clinoids projected within the foramen magnum

Hannah RAD II (8 decks)

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