headwork final

studied byStudied by 0 people
0.0(0)
Get a hint
Hint

c. 8

1 / 135

flashcard set

Earn XP

Description and Tags

136 Terms

1

c. 8

How many bones make up the cranium? a. 4 b. 6 c. 8 d. 10

New cards
2

c. sutures

The cranial bones are rigidly jointed together by articulations called: a. joints b. bursae c. sutures d. cartilage

New cards
3

a. maxillae

All of the following are cranial bones EXCEPT the: a. maxillae b. frontal c. sphenoid d. occipital

New cards
4

b. coronal

Which skull suture is found between the frontal and parietal bones? a. sagittal b. coronal c. squamosal d. lambdoidal

New cards
5

c. sagittal

Which skull suture is located between the parietal bones? a. hyoid b. coronal c. sagittal d. squamosal

New cards
6

a. temporal

Which bone in the skull contains the auditory organs and the organs of hearing? a. temporal b. sphenoid c. occipital d. ethmoid

New cards
7

a. temporal

The petromastoid portion is a part of which bone? a. temporal b. sphenoid c. occipital d. ethmoid

New cards
8

a. Mesocephalic

Which of the following skull types is considered average in size and shape? a. Mesocephalic b. Brachycephalic c. Dolichocephalic

New cards
9

b. Dolichocephalic

Which skull type is narrow from side to side?a. Mesocephalic b. Dolichocephalic c. Brachycephalic

New cards
10

47 degrees

In a typically shaped head, the petrous pyramids project anteriorly and medially at what angle?

New cards
11

midsagittal

Which plane of the head is placed parallel to the plane of the IR for a lateral projection of the skull?

New cards
12

2; above

The central ray and center of the image receptor position for a lateral projection of the skull is _____ inch(es) _____ the EAM.

New cards
13

Lateral

Which projection of the skull requires MSP be positioned parallel and interpupillary line perpendicular to the IR plane?

New cards
14

mandible overlapping cervical spine

All of the following should be seen on a lateral image of the skull, except

New cards
15

Caldwell

Which method of examining the skull will demonstrate the petrous ridges in the orbits, the ethmoid and frontal sinuses, and the crista galli?

New cards
16

15 degrees caudad

The central-ray angle for the PA axial (Caldwell) projection of the skull is:

New cards
17

Orbitomeatal line

Which of the following is perpendicular to the image receptor plane for a Caldwell projection of the skull?

New cards
18

15 degrees cephalad

Often, a patient cannot be turned into the prone position for a PA axial projection of the skull, Caldwell Method. What CR angle could be used if the AP axial projection is used instead?

New cards
19

OML

Which of the following lines is placed perpendicular to the image receptor plane for the AP axial (Towne) projection?

New cards
20

IOML

If the patient cannot flex the neck to place the orbitomeatal line perpendicular to the image receptor for an AP axial (Towne) projection, which line should be placed perpendicular?

New cards
21

foramen magnum

For an AP axial (Towne) projection of the skull, the center of the IR is at or near the level of the:

New cards
22

37 degrees caudal

If the infraorbitomeatal line is placed perpendicular to the IR during an AP axial (Towne) projection of the skull, how much is the central ray angled?

New cards
23

0 degrees

What is the central-ray angulation for the SMV projection?

New cards
24

22

How many bones are contained in the skull?

New cards
25

lambodial

The suture located between the occipital bone and the parietal bones is the:

New cards
26

fontanels

The six areas of incomplete ossification in a newborn infants skull are called:

New cards
27

pituitary gland

The superior aspect of the sphenoid bone contains a deep depression that contains the:

New cards
28

Occipital

The posterior half of the base of the skull is formed by which bone?

New cards
29

foramen magnum

The large aperture in the occipital bone, through which the medulla oblongata and spinal cord exit, is termed the:

New cards
30

petrous portion of the temporal bone

The thickest and densest portion of bone in the cranium is the:

New cards
31

frontal bone

All of these structures are demonstrated on an AP axial (Towne method) projection of the skull, except:

New cards
32

Dorsum sellae Posterior clinoids

Which two are clearly demonstrated within the foramen magnum during an AP axial (Towne) projection of the skull? (select all that apply)

New cards
33

Towne (AP axial) Caldwell (PA axial)

Which two methods will clearly demonstrate the petrous ridges, foramen magnum, dorsum sellae, and posterior clinoid processes?(select all that apply)

New cards
34

Sphenoid Ethmoid

Which two bones are contained in the floor of the cranium? (select all that apply)

New cards
35

Frontal Parietal

Which two bones are contained in the calvarium? (select all that apply?)

New cards
36

Foramen rotundum Optic foramen

Which two of the following foramina lie in the sphenoid bone? (select all that apply)

New cards
37

Nose Forehead

Which two parts of the patients face touch the table for a PA axial projection (Caldwell method)? Select all that apply

New cards
38

PA axial, Caldwell Method

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

New cards
39

PA axial, Caldwell Method

Which projection of the skull projects the petrous pyramids in the lower third of the orbits

New cards
40

Dorsum sellae and posterior clinoid processes visible within the foramen magnum

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

New cards
41

Superimposed orbital roofs and greater wings of sphenoid

Which evaluation criterion pertains to the lateral projection of the skull

New cards
42

Nasion

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

New cards
43

2 inches superior to the EAM

With reference to the patient, where should the central ray enter for the lateral projection of the skull

New cards
44

IPL is perpendicular; MSP is parallel

How should the IPL and MSP be positioned for the lateral projection of the skull

New cards
45

30 degrees caudad

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?

New cards
46

37 degrees caudad

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?

New cards
47

Infraorbital line

Which positioning line should be parallel w/ the IR for the SMV projection of the skull

New cards
48

shows orbits filled by petrous ridges

Which evaluation criteria pertains to the perpendicular PA projection of the skull

New cards
49

mandibular condyle anterior to petrosae

Which evaluation criteria pertains to the SMV projection of the skull

New cards
50

OML and MSP

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

New cards
51

PA axial (Caldwell)

Which projection will best demonstrate the frontal and anterior ethmoidal sinuses?

New cards
52

ethmoid

All of the following are facial bones EXCEPT the:

New cards
53

parietocanthial (waters)

All of these projections will demonstrate the ethmoidal sinuses, except:

New cards
54

1 inch posterior to the outer canthus

For a lateral projection of the paranasal sinuses, the central ray is directed

New cards
55

IOML

Which reference line is positioned horizontal to ensure proper extension of the head during a lateral projection of the sinuses?

New cards
56

IOML

The central ray is directed perpendicular to which reference line for the SMV projection of the sinuses?

New cards
57

maxillary

The largest sinus is the:

New cards
58

sutures

The cranial bones are rigidly jointed together by articulations called:

New cards
59

Acanthion

Where is the image receptor centered for the parietocanthial (Waters method) projection of the sinuses?

New cards
60

parietal

All of the following bones contain air sinuses, except:

New cards
61

Sphenoidal

Which sinus is projected through the mouth on the open-mouth modification of the Waters method?

New cards
62

petrous ridge in lower third of orbits

All of the following should be clearly demonstrated on a lateral projection of the paranasal sinus, except

New cards
63

15 degrees

The central ray forms an angle of how many degrees with the OML for the PA axial (Caldwell) projection of the sinuses?

New cards
64

15 degrees

When using the angled grid technique for the PA axial (Caldwell method) projection of the sinuses, the vertical grid device must be angled:

New cards
65

37 degrees

The parietocanthial projection (Waters method) of the sinuses requires the orbitomeatal line to be placed how many degrees from the plane of the image receptor?

New cards
66

Inferior to the floor of the maxillary sinuses

Where are the petrous ridges seen on an image of a parietocanthial (Waters method) projection of the paranasal sinuses?

New cards
67

1/2 inch anterior to the level of the EAM

At which level should the central ray enter the base of the skull for the SMV projection of the sinuses?

New cards
68

1 and 2

The paranasal sinuses should always be examined in the upright position to:

  1. demonstrate the presence or absence of fluid2. differentiate between fluid and other pathologic conditions3. make it easier for the radiographer to position the patient

New cards
69

Maxilla

The maxillary sinus is located in which bone?

New cards
70

18

At what age are all of the sinuses completely developed?

New cards
71

Parietocanthial (Waters)

Which projection best demonstrates the maxillary sinuses?

New cards
72

chin

Which part of the patient's face is touching the upright Bucky, or table, for a parietoacanthial projection, Waters method?

New cards
73

1, 2, and 3

Which of the following are included as functions of the sinuses?

  1. Decrease the weight of the skull2. Warm and moisten inhaled air3. Provide a resonating chamber for voice

New cards
74

Petrous pyramids

Which of the following must be projected below the maxillary sinuses for the parietocanthial projection (Waters method) of the sinuses?

New cards
75

Sphenoidal

Which sinus is located immediately below the sella turcica?

New cards
76

maxillary

Which of the sinuses is developed at birth and visible radiographically?

New cards
77

OML

Which reference line is positioned perpendicular to the angled image receptor for the PA axial (Caldwell method) projection of the sinuses?

New cards
78

maxillae

All of the following are cranial bones except the

New cards
79

14

How many bones make up the face?

New cards
80

Temporal

the zygomatic arches are a part of which bone?

New cards
81

mandible

The largest and most dense bone of the face is the:

New cards
82

lacrimal

Which facial bone contains a foramen through which the tear duct passes?

New cards
83

7

How many bones compose the bony orbit?

New cards
84

three; four

The orbit is made up of _____ cranial bones and _____ facial bones.

New cards
85

zygomatic bone

For a lateral projection of the facial bones, the image receptor is centered to the:

New cards
86

Infraorbitomeatal line

Which of the following is placed perpendicular to the front edge of the IR for a lateral projection of the facial bones?

New cards
87

halfway between the outer canthus and the EAM

For a lateral projection of the facial bones, the central ray will enter:

New cards
88

all facial bones in their entirety

The lateral projection of the facial bones clearly demonstrates

New cards
89

Waters

The parietocanthial projection of the facial bones is commonly called the _______ method.

New cards
90

37 degrees

For the Waters method for the facial bones, the orbitomeatal line is placed at what angle to the IR?

New cards
91

1 and 3

Which of the following is (are) true regarding positioning for the Waters method for the facial bones?

  1. The orbitomeatal line forms a 37 degree angle with the plane of the IR2. The infraorbitomeatal line forms a 37 degree angle with the plane of the IR3. The midsagittal plane is perpendicular to the IR plane

New cards
92

Acanthion

Which of the following is centered to the image receptor for a parietocanthial projection of the facial bones?

New cards
93

foramen magnum

All of the following are clearly demonstrated on the parietocanthial projection (Waters method) except:

New cards
94

55

The parietocanthial projection (Waters method) of the facial bones is often modified so that there is less angulation of the facial bones. For this modification, the orbitomeatal line is adjusted to ______ degrees.

New cards
95

Mentomeatal line

Which of the following is placed perpendicular to the image receptor for the acanthoparietal projection (reverse waters) of the facial bones?

New cards
96

0 degrees

The central-ray angulation for the reverse Waters method when OML is properly positioned is:

New cards
97

mentomeatal line

Trauma patients may arrive in the radiology department with their head immobilized. A Reverse Waters method can always be performed on these patients by adjusting the CR parallel to the:

New cards
98

1, 2, and 3

Which of the following is true regarding the lateral projection of the nasal bones?

  1. MSP is parallel with the tabletop2. Both sides are done for comparison3. The interpupillary line is perpendicular to the tabletop

New cards
99

IOML

For a submentovertical projection of the zygomatic arches, the central ray is directed perpendicular to the ________ line.

New cards
100

SMV and AP axial

Both zygomatic arches can be demonstrated on one projection for which of the following projections:

New cards

Explore top notes

note Note
studied byStudied by 3 people
... ago
5.0(1)
note Note
studied byStudied by 9 people
... ago
5.0(1)
note Note
studied byStudied by 56 people
... ago
5.0(1)
note Note
studied byStudied by 109 people
... ago
5.0(3)
note Note
studied byStudied by 35 people
... ago
5.0(1)
note Note
studied byStudied by 9 people
... ago
5.0(1)
note Note
studied byStudied by 56 people
... ago
5.0(1)
note Note
studied byStudied by 344 people
... ago
4.8(23)

Explore top flashcards

flashcards Flashcard (38)
studied byStudied by 41 people
... ago
5.0(1)
flashcards Flashcard (93)
studied byStudied by 1 person
... ago
5.0(1)
flashcards Flashcard (20)
studied byStudied by 15 people
... ago
5.0(1)
flashcards Flashcard (98)
studied byStudied by 40 people
... ago
5.0(1)
flashcards Flashcard (21)
studied byStudied by 2 people
... ago
5.0(1)
flashcards Flashcard (109)
studied byStudied by 11 people
... ago
5.0(1)
flashcards Flashcard (51)
studied byStudied by 42 people
... ago
5.0(1)
flashcards Flashcard (180)
studied byStudied by 4886 people
... ago
5.0(2)
robot