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
Patient thickness affects radiographic technique by affecting ________.
mAs and kVp settings
5
A high quality radiographic image should always demonstrate ___________.
structures and tissues
6
Spatial resolution is limited to _______.
pixel size
7
________ is defined as the ability to image two separate objects and visually detect one from the other.
Resolution
8
What is the formula for the magnification factor?
MF = SID/SOD
9
The best way to minimize magnification is to use a _______.
long SID and small OID
10
Subject contrast is affected by _______.
patient thickness
11
Distortion can be reduced by _______.
placing the object plane perpendicular to the image plane
12
Which of these body parts has the highest subject contrast?
Chest
13
Radiographic image quality is improved when the _________ is increased.
source image distance
14
The technologist primarily controls radiographic contrast by varying the _________.
kilovoltage
15
Sharpness of image detail is best measured by ________.
spatial resolution
16
Radiographic technique charts embedded in the operating console are based on hypersthenic patients
False
17
Patient thickness should not be guessed.
True
18
Pathology can appear with increased radiolucency or radiopacity.
True
19
The visibility of image detail is best measured by spatial resolution.
False
20
Foreshortening of the image is when the anatomical part appears smaller than normal.
True