Skull

Anatomy 1

100

List the 8 cranial bones

frontal

2 parietal

2 temporal

occipital

sphenoid

ethmoid

200

raised area between eyebrows

glabella

300

The CR should be directed perpendicular to what line for the SMV?

IOML

400

which cranial bone is associated with the foramen magnum?

occipital 

500

Which skull type is considered short from front to back and wide?

Brachycephalic

Anatomy/Positions 2

100

depression at ridge of nose; junction of frontal and nasals

nasion

200

The cranial base is best demonstrated by which view of the skull?

SMV (Schuller)

300

The areas of incomplete ossification in newborn is called this.

Fontanels

400

the most dense portion of the skull

petrous pyramids

500

Daily Double***********

The portion of the _____________ bone that houses the pituatary gland is called this.

2 answers

Temporal; Sella Turcica

Positioning Lines/Landmarks

100

OML:  Line from _____________to ____________.

OML- Orbitomeatal Line

Outer Canthus to EAM

200

Degree of difference between OML and IOML?

7 degrees

300

The landmark that lies just under the nose.

Acanthion

400

For the Caldwell method, which part of the patient's face comes in contact with the bucky?

Forehead and nose

500

The chin is called this.

Mental point

sutures

100

Between the Frontal and Parietals

coronal

200

Between Parietal and temporal (L and R)

squamosal

300

Between Parietals and Occipital

lambdoidal

400

Junction where frontal and parietals meet; at anterior end of Sagittal suture

Bregma

500

The junction of the lamdoidal and sagittal sutures.

Lambda

positioning

100

In what position are the petrous ridges filling the orbits?

PA

200

Daily Double*******

For the Townes Projection:

Angle CR _____° caudad to OML, or _____° caudad to IOML

30 or 37

300

Clearly demonstrates petrous ridges, foramen magnum, and post clinoid processes in these two views.

Haas & Towne

400

Petrous pyramids are projected into the lower one-third of the orbits.

caldwell

500

Orbital roofs, EAMs, and TMJs should all be superimposed in this view.

lateral