SKULL NI BOOMER, BRITNEY & BARON

Question 1

• connects the
  inferior border of the orbit to the EAM and is known as the Reids Base line.(Anthropological
  base line)

Answer 1

Infraorbito Meatal Line (IOML)

Question 2

connects the superior border of the orbit to the EAM.

Answer 2

Supraorbito Meatal Line (SOML)

Question 3

The most common
positioning line used for head work which runs from the outer canthus to the EAM known as
Radiographic Baseline

Answer 3

Orbito Meatal Line (OML

Question 4

– is an imaginary line between the

Answer 4

Interpupillary Line

Question 5

• an imaginary line from
  the glabella to the anterior aspect of the alveolar
  process of the maxilla.

Answer 5

Glabelloalveolar line (GAL

Question 6

is a line from glabella to

Answer 6

Glabellomeatal Line (GML

Question 7

is a line connecting the

Answer 7

Acanthiomeatal Line (AML

Question 8

– is a line running from the
mental point to the EAM

Answer 8

Mentomeatal Line (MML)

Question 9

midline point at the junction of the upper lip and the nasal septum. Sub-nasal point
which is the reference point for waters projection

Answer 9

Acanthion

Question 10

the midpoint of this triangular
area of the chin as it appears from the front..

Answer 10

Mental point

Question 11

inner junction of the eyelid.
Meeting of the eyelids medially.

Answer 11

Inner Canthus –

Question 12

outer junction of the eyelid.
Meeting of the eyelids laterally.

Answer 12

Outer Canthus

Question 13

the lower posterior angle on each side of the jaw or mandible.

Answer 13

Gonion-

Question 14

• the point on the skull to the junction of the coronal and sagittal suture

Answer 14

Bregma

Question 15

the cranio-metric at the junction of the sagittal and lambdoid sutures

Answer 15

Lambda

Question 16

protrusion at the back of the skull. External occipital protruberance (EOP

Answer 16

inion

Question 17

cartilaginous projection in front of the ear.

Answer 17

tragus

Question 18

2 fused nasal bones form the bridge of the nose

Answer 18

nasal bone

Question 19

the topmost vault of the skull.

Answer 19

vertex

Question 20

smooth prominence between the eyebrow and above the bridge of the nose. It connects the bilateral superior border of the orbit

Answer 20

glabella

Question 21

form the middle segment of the
cranial dome, joined with each other along the midline by the sagittal suture. The left and right forms much of the superior and lateral portions
of the cranium.

Answer 21

parietal bone

Question 22

forms the anterior third of the
cranial dome, forms part of the cranial cavity as well
as the fore head, the brow ridges and the nasal
cavity.

Answer 22

frontal bone

Question 23

forms the posterior portion of the
cranial dome, curving inferiorly to the base of the
cranium forms the posterior and inferior portions of
the cranium.

Answer 23

occipital bone

Question 24

at the sides of the cranium,
extending inward to form part of the cranial floor.
The left and right forms the lateral walls of the
cranium as well as housing the external ear.

Answer 24

temporal bone

Question 25

is a butterfly shaped bone that forms part of the anterior floor and sides of the cranium. It forms part of the eye orbit and helps to form the floor of the cranium.

Answer 25

sphenoid bone

Question 26

forms the middle portion of the anterior cranial floor, extending inferiorly between the eye orbits to also form the roof of the nasal cavity.

Answer 26

ethmoid

Question 27

immovable joints between bones of the Skull

Answer 27

sutures

Question 28

The parietal bones are joined by the ______________ Parietal bones that meet the frontal is referred to as the

Answer 28

sagittal sutures

Question 29

The parietals and the occipital meet at the ____________

Answer 29

lambdoidal suture

Question 30

The suture between the parietals and the temporal bone is referred to as the __________

Answer 30

squamous suture.

Question 31

is the lower jawbone. It articulates with the temporal bones at the temporomandibular joints. This forms the only freely moveable joint in the head. It provides the chewing motion

Answer 31

mandible

Question 32

are the upper jaw bones. They form part of the nose, orbits, and roof of the mouth.

Answer 32

right and left maxilla

Question 33

form a portion of the nasal cavity and the posterior portion of the roof of the mouth.

Answer 33

right and left palatine

Question 34

are the cheek bones. They form portions of the orbits as well.

Answer 34

right and left zygomatic

Question 35

form the superior portion of the bridge of the nose.

Answer 35

right and left nasal

Question 36

help to form the orbits.

Answer 36

right and left lacrimal

Question 37

forms part of the nasal septum (the divider between the nostrils)

Answer 37

vomer

Question 38

forms the lateral walls of the nose and increase the surface area of the nasal cavity.

Answer 38

left and right inferior nasal conchae

Question 39

The skull is the bony framework of the head. It comprised the eight cranial and fourteen facial bones.

Answer 39

skull

Question 40

Directed to exit the glabella at 10° cephalad - Midpoint of IR coincides with CR - Use close collimation

Answer 40

Sella Turcica: PA Axial Projection

Question 41

Center the IR to region of sella approximately ¾ “ anterior and ¾” superior to the EAM

Answer 41

Sella Turcica: Lateral Projection

Question 42

The success of SMV projection of cranial base depends on placing IOML as nearly parallel with the plane of the IR as possible and directing CR perpendicular to IOML.

Answer 42

Cranial Base: Submentovertical Projection

Question 43

recommended strong depression of the chin and direction of the central through the foramen magnum at a caudal angle of 40 degrees.

Answer 43

- Altschul

Question 44

_______ & _____________ described the position in 1926

Answer 44

Altschul and Towne fowler eme

Question 45

- Perpendicular or 15 degrees cephalad direct to nasion

Answer 45

AP & AP Axial projection

Question 46

RP for Lateral Projection of CRANIUM

Answer 46

2 inches superior to EAM

Question 47

-superimposed halves of the cranium - sella turcica, anterior and posterior clinoid processes, dorsum sella

Answer 47

CRANIUM: Lateral Projection

Question 48

angulation for PA Axial Proj (Caldwell Method)

Answer 48

- 15 degrees caudal to exit nasion.

Question 49

recommended that with the patients’ chin depressed, the central ray should be directed through MSP from a point 3” above the eyebrow to the foramen magnum with no specific angulation but depending on the flexion of the neck

Answer 49

Towne (Fowler)

Question 50

CR: 37 degrees caudal to the IOML

Answer 50

Ap Axial Projection (Towne)

Question 51

devised this position for obtaining an image of the sellar structures projected within the foramen magnum on hypersthenic, obese or other patients who cannot be adjusted correctly for AP axial Towne projection

Answer 51

PA Axial Projection (HAAS)

Question 52

orbit is filled by margins of Petrous pyramids, posterior ethmoidal air cells, crista galli, frontal bone, frontal sinuses & dorsum sellae

Answer 52

PA Axial projection (Caldwell)

Question 53

CR of Verticosubmental Projection (Schuller Method)

Answer 53

Perpendicular to IOML passing ¾ “ anterior to EAM centered to sella turcica

Question 54

typical cranium/normal or average. Approximately 47 degrees in relation to Petrous ridges.

Answer 54

Mesocephalic

Question 55

short from front to back. Broad from side to side. Shallow from vertex to base. Internal structures are higher with reference to IOML ,approximately 54 degrees in relation to Petrous ridges

Answer 55

Brachycephalic

Question 56

long from front to back. Narrow from side to side. Deep from vertex to base. Internal structures are lower with reference to IOML Approximately 40 degrees in relation to Petrous ridges.

Answer 56

Dolicocephalic