Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

img crit ch 30 Test

Enter the letter for the matching Answer
incorrect
1.
What is the Z-axis?
incorrect
2.
Define gray scale as relating to spatial resolution
incorrect
3.
Low spatial resolution correlates with _____ unit of measure?
incorrect
4.
Low spatial resolution correlates with _____ object size?
incorrect
5.
High spatial resolution correlates with _____ PSF?
incorrect
6.
High spatial resolution correlates with _____ OID?
incorrect
7.
High frequency is what kind of wavelength?
incorrect
8.
X and Y grid matrix
incorrect
9.
Increasing the SID affects recorded detail how?
incorrect
10.
High spatial resolution correlates with _____ object size?
incorrect
11.
How is resolution determined with line pairs for screen film?
incorrect
12.
What determines spatial resolution?
incorrect
13.
What factors affect recorded detail?
incorrect
14.
What is the unit for screen film resolution?
A.
make up the spatial resolution because they represent points in space
B.
gray scale, represents depth to the information in the image (bit depth)
C.
FSS, OID, SID, IR, CR imaging plates, size of detector, image processing system, motion
D.
increases
E.
the number of shades of gray that can be displayed by each pixel
F.
low Lp/mm
G.
small
H.
more line pairs means better resolution
I.
low
J.
large
K.
line pairs per mm
L.
short wavelength
M.
small (close)
N.
matrix size, pixel size, gray scale, bit depth
Type the Answer that corresponds to the displayed Question.
incorrect
15.
High spatial resolution correlates with _____ MTF?
incorrect
16.
Low spatial resolution correlates with _____ PSF?
incorrect
17.
Low spatial resolution correlates with _____ OID?
incorrect
18.
Increasing patient thickness affects recorded detail how?
incorrect
19.
Decreasing FSS affects recorded detail how?
incorrect
20.
Term for recorded detail in digital imaging?
incorrect
21.
High spatial resolution correlates with _____ unit of measure?
incorrect
22.
Decreasing OID affects recorded detail how?
Type the Question that corresponds to the displayed Answer.
incorrect
23.
incoming data is samples less than 2X per cycle, images have more pattern
incorrect
24.
samples the spatial resolution 2X per cycle and averages incoming data to insure no info is missed, overlapped or doubled.

edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: annaluz87
Popular Radiology sets