Skull Self Test

Front 1

which positioning line extends from the EAM to the outer canthus

Back 1

OML

Front 2

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

Back 2

acanthion

Front 3

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

Back 3

nasion

Front 4

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

Back 4

glabella

Front 5

which positioning landmarks most superior

Back 5

glabella

Front 6

where on this:is the gonion located

Back 6

on the lateroposterior part of the mandible

Front 7

where on the skull is the outer canthus located

Back 7

on the lateral border of each orbit

Front 8

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

Back 8

mental point

Front 9

which suture articulates the frontal bone with both parietal bones?

Back 9

coronal

Front 10

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

Back 10

sagittal

Front 11

which sutured joins a parietal bone with both a sphenoid bone and the temporal bone?

Back 11

Squamosal

Front 12

which suture joins both parietal bones with the occipital bone?

Back 12

Lambdoidal

Front 13

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

Back 13

coronal and sagittal

Front 14

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

Back 14

Lambdoidal and sagittal

Front 15

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

Back 15

frontal and both parietals

Front 16

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

Back 16

occipital and both parietals

Front 17

which skull classification refers to a typical skull?

Back 17

mesocephalic

Front 18

which skull classification refers to a long, narrow skull?

Back 18

dolichocephalic

Front 19

which skull classification refers to a short, wide skull?

Back 19

brachycephalic

Front 20

how many degrees are in the angle formed between the midsagittal plane and the petrous pyramids in the mesocephalic skull?

Back 20

47 degrees

Front 21

how many degrees are in the angle formed between the midsagittal plane and the petrous pyramids in the brachycephalic skull?

Back 21

54 degrees

Front 22

how many degrees are in the angle formed between the mid sagittal plane and the petrous pyramids in the dolichocephalic skull?

Back 22

40 degrees

Front 23

on whichcranial bones are the superciliary arches located?

Back 23

frontal

Front 24

on which cranial bone is the cribiform plate located?

Back 24

ethmoid

Front 25

on which cranial boneis the crista Galli located?

Back 25

ethmoid

Front 26

which cranial bone has a petrous pyramid?

Back 26

temporal

Front 27

on which cranial boneis the sella turcica located?

Back 27

sphenoid

Front 28

which cranial bone has the mastoid process?

Back 28

temporal

Front 29

on which cranial bone is the perpendicular plate located?

Back 29

ethmoid

Front 30

which cranial bone has both greater and lesser wings?

Back 30

sphenoid

Front 31

which cranial bone does the first cervical vertebra articulate?

Back 31

occipital

Front 32

the pterygoid processes project inferiorly from which cranial bone?

Back 32

sphenoid

Front 33

the foramen magnum is a part of which cranial bone

Back 33

occipital

Front 34

from which cranial bone does the zygomatic process arise?

Back 34

temporal

Front 35

the external acoustic meatus is a part of which cranial bone?

Back 35

temporal

Front 36

the temporal process projects posteriorly from which facial bone?

Back 36

zygoma

Front 37

which bones comprise the bridge of the nose?

Back 37

nasal

Front 38

with which bone does the mandible articulate?

Back 38

temporal

Front 39

where are the lacrimal bones located?

Back 39

on the medial wall of each orbit

Front 40

where is the vomer bone found?

Back 40

on the floor of the nasal cavity

Front 41

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

Back 41

zygomatic

Front 42

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

Back 42

coronoid

Front 43

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

Back 43

condyle

Front 44

which facial bones have alveolar processes?

Back 44

maxillae and mandible

Front 45

which bones formed the posterior 1/4 of the roof of the mouth?

Back 45

Palatine

Front 46

which positioning landmarks located on the maxillae?

Back 46

acanthion

Front 47

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

Back 47

OML and MSP

Front 48

with reference to the patient,where should the IR for the PA projection of the skull?

Back 48

nasion

Front 49

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

Back 49

2" above the EAM

Front 50

with reference to the IR, how should the interpupillary line and the MSP be positioned for the lateral projection of the skull?

Back 50

IP┴, MSP II

Front 51

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

Back 51

30 caudad

Front 52

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

Back 52

37caudad

Front 53

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

Back 53

IOML

Front 54

which projection of the skull can be correctly performed with the central ray angled 37 degrees?

Back 54

AP axial, Towne method

Front 55

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

Back 55

PA axial, Caldwell method

Front 56

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

Back 56

SMV

Front 57

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

Back 57

PA axial, Caldwell method

Front 58

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

Back 58

PA ┴ CR

Front 59

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

Back 59

part of the sella turcica should be seen within the foramen Magnum

Front 60

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

Back 60

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

Front 61

for the PA axial projection, Haas method, of the skull, where should the central ray enter the patient's head

Back 61

one in the half inches below the external occipital protuberance

Front 62

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

Back 62

25 cephalic

Front 63

for the parietoorbital oblique projection, Rhese method, of the skull, which positioning line should be perpendicular to the IR?

Back 63

AML

Front 64

For the orbitoparietal oblique projection, Rhese method, of the skull, which positioning line should be perpendicular to the IR?

Back 64

AML

Front 65

with reference to the orbit, where should the optic foramenPA mentioned on the radiograph to indicate correct positioning of the patient for the parietoorbital oblique projection, Rhese method, of the skull?

Back 65

within the lower outer quadrant

Front 66

for the parietoorbital oblique projection, Rhese method, of the skull, how many degrees of an angle should be formed between the MSP and the IR?

Back 66

53 degrees

Front 67

with reference to the IR, how should the interpupillary line and the MSP be positioned for the lateral projection to demonstrate the sella turcica?

Back 67

IP┴, MSP II

Front 68

for the lateral projection to demonstrate the sella turcica, where should the central ray directed?

Back 68

3/4" anterior and 3/4" superior to the EAM