Exam 1.10: Panographic Radiography Principles Flashcards
1
Q
What does the term plain film mean
A
the X-ray Source, the patient, and the film remain stationary
2
Q
How does plain film differ from panoramic
A
In a pan, the source and the film rotate around the patient’s head
3
Q
What is a focal trough
A
A curved layer of images of the patients head
4
Q
How thick is the trough
A
9-11 mm
5
Q
What is the real image
A
Formed when the structure or object is present between the center of rotation of the beam and the film
6
Q
What is the ghost image
A
Formed when the structure of object is present between the source and the center of rotation of the beam
7
Q
What are light lines
A
Some manufacturers incorporate a set of light lines which can be shown of the patient’s face for ease of positioning
