問題一覧
1
What is the formula for the magnification factor?
MF = SID/SOD
2
Patient factors include_________________.
anatomical thickness and body composition
3
Subject contrast is affected by__________
patient thickness
4
Distortion can be reduced by________
placing the object plane perpendicular to the image plane
5
A high quality radiographic image should always demonstrate____________.
structures and tissues
6
Which body habitus indicates an average patient?
Sthenic
7
The visibility of image detail is best measured by spatial resolution.
False
8
Spiral resolution is limited to________.
pixel size
9
Pathology can appear with increased radiolucency or radiopacity.
True
10
Foreshortening of the image is when the anatomical part appears smaller than normal.
True
11
The best way to minimize magnification is to use a_______
long SID and small OID
12
Which of these body parts has the highest subject contrast?
Chest
13
__________is defined as the ability to image two separate objects and visually detect one from
Resolution
14
Patient thickness affects radiographic technique by affecting_________________.
mAs and kVp settings
15
Which body habitus indicates a thin, but healthy appearing patient?
Hyposthenic
16
Sharpness of image detail is best measured by.________.
spatial resolution
17
Patient thickness should not be guessed.
True
18
The technologist primarily controls radiographic contrast by varying the_______________.
kilovoltage
19
Which body habitus indicates a thin, but healthy appearing patient?
Hyposthenic
20
Radiographic technique charts embedded in the operating console are based on hypersthenic patients.
False
21
Radiographic image quality is improved when the _is increased.
source image distance