Cerrar
mAs influences
kVp influences
higher kVp will produce
short-scale contrast
long-scale contrast
Density
Spatial Resolution
Which factors contribute to SIZE distortion?
Which factors contribute to SHAPE distortion?
What are 2 forms of distortion?
Window Level
if an image is too dark, you can increase brightness by ________ window level
if an image is too light, you can decrease brightness by _________ window level
Contrast
TRUE OR FALSE?
elements of high anatomic numbers absorb radiation dose
Subject Contrast
A radiographic image that has a greater resolution minimizes the amount of __________ of the anatomic structural lines
Good diagnostic quality is achieved by _______ _________ and by _______ _____ .
TRUE OR FALSE?
increasing the bit depth of digital pixels, will increase the shades of gray within each pixel
TRUE OR FALSE?
increasing the number of pixels in a matrix will decrease the image quality
TRUE OR FALSE?
With DR, you can't overexpose the patient and have a good radiograph.
The exposure indicator provides a numeric value indicating the level of radiation exposure to the __________
Window level adjusts ________
Window width adjusts ________
wide window width will produce _________ and a narrow window width will produce ________
Pixel Pitch
Visibility of Recorded Details includes:
Sharpness of Recorded Details includes:
Brightness
Density
Contrast
Low-Subject Contrast
High-Subject Contrast
High contrast, with low kVp and few shades of gray describes _____ _____ contrast
Low contrast, with high kVp and many shades of gray describes _____ ______ contrast
Size Distortion is characterized by ______ and _______
Shape Distortion is characterized by _______ _______ and ______
Using a grid will ________ contrast and ________ density. Therefore, you should _______ _____ when using a grid
What are 3 examples of decreasing exposure time?
The area of the anode surface which receives the beam of electroms from the cathode is known as _____ _____
As focal spot size decreases, _________ decreases, and ________ increases
Bit Depth
Matrix
Pixel
