Exam 1.10: Panographic Radiography Principles Flashcards Preview

D2: 621 Radiology > Exam 1.10: Panographic Radiography Principles > Flashcards

Flashcards in Exam 1.10: Panographic Radiography Principles Deck (7)
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1

What does the term plain film mean

the X-ray Source, the patient, and the film remain stationary

2

How does plain film differ from panoramic

In a pan, the source and the film rotate around the patient’s head

3

What is a focal trough

A curved layer of images of the patients head

4

How thick is the trough

9-11 mm

5

What is the real image

Formed when the structure or object is present between the center of rotation of the beam and the film

6

What is the ghost image

Formed when the structure of object is present between the source and the center of rotation of the beam

7

What are light lines

Some manufacturers incorporate a set of light lines which can be shown of the patient's face for ease of positioning