Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Procedures II > Skull > Flashcards

Skull Flashcards

Skull only - no facial bones (91 cards)

Start Studying
1
Q

Total # of cranial bones

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

total # of facial bones

A

14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

4 cranial bones that form calvarium

A

frontal, both parietal, and occipital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

4 cranial bones that form the floor of the skull

A

sphenoid, ethmoid, and both temporals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

small horizontal plate of ethmoid

A

cribriform plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

vertical plate of ethmoid forming upper portion of bony nasal septum

A

perpendicular plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

structure of sphenoid that surrounds pituitary gland

A

Sella turcica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

posterior aspect if Sella turcica

A

dorsum sellae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

structure of sphenoid allowing passage of optic nerve and actual opening into the orbit

A

optic foramen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

structure of sphenoid helping form lateral walls of nasal cavities

A

medial and lateral pterygoid processes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

projection best demonstrating Sella turcica and dorsum sellae

A

lateral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

aspect of frontal bone forming superior aspect of orbit

A

orbital/horizontal portion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

corresponding asterion of anterior fontanel

A

bregma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

corresponding asterion of posterior fontanel

A

lambda

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

corresponding asterion to sphenoid fontanel

A

pterion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

corresponding asterion to mastodon fontanel

A

asterion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

joint type of cranial sutures

A

fibrous and synarthrodial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

small irregular developmental bones found along lambdoidal suture

A

sutural/wormian

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

superior rim of the orbit

A

supraorbital margin - SOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

notch separating orbital plates

A

ethmoidal notch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

cranial bones forming upper lateral calvarium walls

A

both parietals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

cranial bone containing foramen magnum

A

occipital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

small prominence on squamous portion of occipital bone

A

inion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Oval processes found on occipital bone, helping form atlantooccipital joint

A

occipital condylea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
3 aspects of temporal bone
squamous mastoid petrous
26
densest aspect of temporal bone
petrous
27
external landmark corresponding with petrous ridge
TEA
28
opening in temporal bone that is a passageway for nerves of hearing and equilibrium
internal acoustic meatus
29
structure making up cartilaginous outer ear
auricle/pinna
30
average length of EAM
2.5 cm
31
membrane marking beginning of middle ear
tympanic membrane
32
collective term for small bones of middle ear
auditory ossicles
33
structure allowing communication between nasopharynx and middle ear
Eustachian/auditory tube
34
major function of eustachian tube
equalize atmospheric pressure in middle ear
35
opening between mastoid portion and middle ear
Aditus
36
thin plate of bone separating mastoid air cells from the brain
tegmen tympani
37
smallest ossicle
stapes
38
ossicle resembling a premolar tooth
incus
39
2 sensory functions of inner ear
hearing | equilibrium
40
small membrane that moves outward to transmit impulses to auditory nerve
cochlear window
41
define mastoiditis
bacterial infection of the mastoid process
42
define POLYP
Growth arising from a mucous membrane
43
define OTOSCLEROSIS
hereditary disease causing excessive bone formation in the middle and inner ear
44
define CHOLESTEATOMA
benign cyst-like tumor in middle ear
45
define ACOUSTIC NEUROMA
benign tumor of auditory nerve sheath
46
radiographic appearance of acoustic neuroma
expansion of internal acoustic canal
47
dolicocephalic skull
width less than 75% of length
48
brachycephalic skull
width 80% or more of length
49
mesocephalic skull
width between 75-80% of length
50
angle between MSP and long axis of petrous bone on MESOCEPHALIC skull
47°
51
angle between MSP and petrous ridge on DOLICOCEPHALIC skull
+/- 40°
52
define OUTER CANTHUS
Lateral junction of the eyelid
53
define GONION
posterior angle of the jaw
54
define IOML
line between infraorbital margin and EAM
55
highest nuchal line if occipital bone
Inion
56
define GLABELLOALVEOLAR LINE
Line between glabella and alveolar process
57
define MENTOMEATAL LINE
line between mental point and EAM
58
define NASION
Junction between frontal and 2 nasal bones
59
highest level of facial bone mass
supraorbital groove
60
define OML
line between midlateral orbital margin and EAM
61
center point of EAM
auricular point
62
positioning line used for Waters
lips-meatal line
63
5 most common skull errors
tilt rotation excessive flexion/extension incorrect CR angle
64
define LEFORT FX
bilateral horizontal fx of maxillae
65
cranial bone best demonstrated with AP Towne projection
occipital
66
best TRAUMA projection to show petrous ridges on lower 1/3 of orbits
AP skull, 15° cephalad
67
maximum angle for CR
45°
68
correct IR size for 6yr old skull pt
10x12 but base on size
69
indication for pediatric skull radiography
craniostenosis
70
fx that may produce air-fluid on sphenoid sinuses
basal skull fx
71
appears as destructive lesion with irregular margins
osteolytic neoplasm
72
ping pong fx
depressed skull fx
73
proliferative bony lesion of increased density
osteoblastic neoplasm
74
tumor that may produce erosion of the pituitary gland
pituitary adenoma
75
osteitis deformans
Pagets disease
76
bone tumor originating in bone tumor
multiple myeloma
77
clinical indication that may require an increase in technique
pagets disease
78
fx of skull that appears as jagged or irregular lucent lines
linear fx
79
``` indications for: AP TOWNE LATERAL SKULL PA CALDWELL PA SKULL ```
Skull fx, neoplastic processes, and Pagets disease
80
indications for SMV
basal skull fx | bony pathology of inner temporal bone structures
81
indications for TRAUMA XTABLE SKULL
sphenoidal effusion
82
indications for: PEDIATRIC TOWNE PEDIATRIC CALDWELL PEDIATRIC LATERAL SKULL
``` fx congenital anomalies sutures/fontanels head shape shunt check bony tumors ```
83
CR for PA SKULL
NO ANGLE OML perpendicular to IR exit at glabella @ MSP
84
CR for PA CALDWELL
15° caudad angle exit @ nasion
85
CR for AP TOWNE
30° caudad angle to OML 37° caudad to IOML 2.5" above glabella
86
CR for LATERAL SKULL
no angle 2" above EAM
87
CR for SMV PROJECTION
no angle 1.5" below mandibular symphysis
88
CR for TRAUMA CALDWELL
AP 0°: CR parallel to OML - center to glabella AP 15° cephalad: center to nasion
89
CR for TRAUMA TOWNE
30° caudad to OML 37° caudad to IOML 2.5" above superciliary margin Pass midway between EAMS and exit @ foramen magnum
90
CR for TRAUMA XTABLE LATERAL SKULL
Horizontal beam 2" above EAM
91
Digital kV range for skull work
75-90

Procedures II (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions