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Review Class Finals > Skull > Flashcards

Skull Flashcards

1
Q

What is the name of the articulation between the frontal bone and the parietal bones?

A

Coronal suture

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2
Q

Which facial bones are demonstrated on the PA Axial projection (Caldwell)?

A

Orbits and zygoma

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3
Q

When taking a PA axial projection (Caldwell) of the skull, the CR is directed

A

15 degrees caudad

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4
Q

What is the name of the articulation between the parietal bones

A

Sagittal suture

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5
Q

Where is the squamosal suture?

A

Between the parietal and temporal bones

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6
Q

Which projection demonstrates all of the paranasal sinuses?

A

Lateral

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7
Q

What term is used to identify the angle of the mandible?

A

Gonion

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8
Q

The petrous pyramid is a portion of which bone?

A

Temporal bone

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9
Q

A blowout fracture involves the

A

Floor of the orbit

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10
Q

Which facial bone forms the inferior part of the nasal septum

A

Vomer

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11
Q

Air filled cavities located in some bones of the face and cranium are called

A

Paranasal sinuses

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12
Q

Which facial bones help to form the hard palate of the mouth?

A

Palatine

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13
Q

Which projection of the cranium demonstrates the petrous pyramids within the orbits?

A

PA

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14
Q

Which facial bones are most frequently fractured?

A

Nasal bones

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15
Q

Which structure houses the pituitary gland

A

Sella turcica

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16
Q

What is the purpose of performing sinus radiography with the patient in the upright position

A

To demonstrate air fluid levels

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17
Q

What is the name of the articulation between the mandible and the cranium?

A

Temporomandibular joint

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18
Q

Which projection demonstrates the frontal bone with minimal distortion and superimposition?

A

PA axial projection, Caldwell

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19
Q

The articulation of the frontal bone with the nasal bones is known as the

A

Nasion

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20
Q

On a properly positioned PA axial projection of the skull (Caldwell), the CR exits at the level of the

A

Nasion

21
Q

Which facial bone is found in the medial wall of the orbit between the ethmoid and maxilla?

A

Lacrimal

22
Q

Which cranial bone is best visualized on the AP axial projection (Towne) of the skull?

A

Occipital bone

23
Q

How should the CR be directed on a PA (Caldwell) of the sinuses?

A

Horizontal

24
Q

On a parietoacanthial projection of the paranasal sinuses, Waters method, the petrous ridges should

A

Be projected below the maxillary sinuses

25
Q

In which bone are the optic foramina located?

A

Sphenoid

26
Q

The pterygoid process is a part of which bone?

A

Sphenoid

27
Q

Which group of paranasal sinuses is located directly inferior and anterior to the sella turcica?

A

Sphenoidal

28
Q

In the parietoacanthial projection (modified waters), the CR passes through the patients mouth, shows which paranasal sinuses?

A

Sphenoid

29
Q

When performing a lateral projection to evaluate facial bones, the CR enters

A

Midway between outer canthus and EAM

30
Q

The hard palate is formed by which two bones?

A

Maxilla and palatine

31
Q

A PA projection of the skull (Caldwell) projects the petrous ridges

A

In the lower third of the orbits

32
Q

Which cranial bone contains a petrous portion and mastoid air cells?

A

Temporal

33
Q

Which three bones does the temporal bone articulate?

A

Parietal, occipital, sphenoid

34
Q

Which projection requires the patient to extend the neck until the IOML is parallel to the IR?

A

SMV

35
Q

Which sinuses are visualized on a properly positioned lateral projection radiograph?

A

Ethmoid, frontal, maxillary, sphenoid (all)

36
Q

What radiographic positioning landmark corresponds to the location of the anterior nasal spine?

A

Acanthion

37
Q

Which most commonly positioning landmark is located at the anterior lower margin of the mandible?

A

Mental protuberance

38
Q

Which projection demonstrates the sphenoid sinus?

A

lateral

39
Q

Which cranial bone houses the middle ear structures?

A

Temporal

40
Q

Which bones contain paranasal sinuses?

A

Frontal, ethmoid

41
Q

Mastoid process is a process of which bone?

A

Temporal

42
Q

Patient is prone oblique position with MSP of head parallel to IR, CR 2in above EAM. What projection is this?

A

Lateral cranium

43
Q

The foramen magnum is on which cranial bone?

A

Occipital

44
Q

Which imaginary line used to position the skull and facial bones connects the outer corner of the eye to the EAM

A

OML

45
Q

Patient is supine, MSP and OML perpendicular to IR, CR is 30 degrees caudad, 2/12in

A

AP Axial

46
Q

Patient is supine and MSP of the skull is perpendicular to the IR. CR angled 30 degrees caudad. What position is this?

A

AP Towne

47
Q

Which facial bones hold the teeth?

A

Mandible, Maxilla

48
Q

Proper position of the radiographic baseline for PA Axial Caldwell projection of the cranium?

A

OML & sagittal plane perpendicular to IR

49
Q

Which sinuses are demonstrated by the waters method?

A

Maxillary sinus and paranasal sinus

Review Class Finals (9 decks)

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