1.
Visualization of an air-fluid level in this sinus group may indicate a basal skull fracture.
2.
What TMJ projection uses a 25º-30º caudal angle, no head rotation and centered 2 inches above and ½ inch anterior to the EAM?
3.
The drainage pathway for the paranasal sinuses is called the:
4.
When positioning for the SMV, which positioning line should be placed parallel to the IR?
5.
To accurately visualize air-fluid levels a(n) _____ patient position with a(n) ______beam is required.
6.
Which positioning line is perpendicular to the image receptor for the parietoacanthial (Waters) projection?
7.
Which sinus group will be visualized through the open mouth on the Transoral Waters projection?
8.
The Ethmoid sinuses are housed in the _____.
12.
Why is the Interpupillary line so important to positioning for any lateral projection?
13.
What projection used a 15* caudal angle, centered 1 1/2 inches above EAM, and a 15* head rotation toward the IR?
14.
Which projection of the sinuses demonstrates all four sinuses in profile without distortion?
15.
What part of the mandible is visualized in an axiolateral oblique projection with the head in a true lateral position?
