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