Card Set Information
cards for headwork test
Where are the lacrimal bones located?
on the medial wall of each orbit
Where should the petrous ridges be seen in the image of the Caldwell method of the facial bones and sinuses?
in the lower 1/3 of the orbits
Which positioning line should be perpendicular for the Caldwell?
Where should the CR exit the head for the Waters method of the facial bone/sinus?
How should the CR be directed for the parietoacanthial projection of facial/sinuses?
Perpendicular parietoacanthial = waters method
Which landmark is located on the maxillae?
Which positioning line and angle indicates correct head for waters?
MML is perpendicular. OML forms 37 degree line to IR
Which method requires the CR be angles 15 degrees caudad?
Where should CR enter for the lateral facial bones?
Zygoma or 1/2 between the zygoma and EAM
In which body position should the patient be placed for images of the sinuses and why?
UPright to demonstrate air/fluid levels.
How will the maxillary sinuses appear in image if patient extends neck too much? Elongated or foreshortened?
Which line should be parallel for the SMV?
Which sinuses are best demonstrated with the Waters method?
Which sinuses are demonstated with the Caldwell?
Frontal and anterior ethmoid air cells
Which positioning line extends from th EAM to outer canthis?
Which criteria pertains to the Towne Method of the skull?
part of sella turcica should be seen within foramen magnum
How should CR be directed for Towne?
37 degrees caudad
Skull classification the refers to a long, narrow skull?