Ch 4 Book Questions Flashcards
1
Q
Which of the following would improve digital image quality?
A. Small matrix and large pixel size
B. Decreased pixel density and increased pixel pitch
C. Large matrix and large pixel size
D. Large matrix and increased pixel density
A
D
2
Q
The type of image receptor that uses a photostimulable phosphor to acquire the latent image is \_\_\_\_\_\_\_. A. an intensifying screen B. a flat-panel detector C. computed radiography D. radiographic film
A
C
3
Q
Digital imaging systems have a wide dynamic range.
A. True
B. False
A
True
4
Q
Which of the following is defined as a graphic representation of the pixel values? A. Automatic rescaling B. Values of interest C. Histogram D. Exposure indicator
A
C
5
Q
A wider window width \_\_\_\_\_\_\_\_\_\_. A. increases brightness B. decreases brightness C. increases contrast D. decreases contrast
A
D
6
Q
What is the communication standard for information sharing between PACS and imaging modalities? A. DQE B. DICOM C. SMPTE D. HL7
A
B
