RAD 130 – Exam 1
1. In radiology, what is the viewing task of the radiologist?
a. Manipulate images. c. Assess image quality.
b. Generate digital images. d. Detect pathology.
2. The term ____, as used in this book, refers to projection radiography, whereby computers process data
collected from patients using special electronic detectors that have replaced the X-ray film cassette.
a. filmless imaging c. film-screen radiography
b. digital radiography d. digital mammography
3. The processing of images using a computer is called ____.
a. digital radiology c. diagnostic imaging
b. image representation d. digital image processing
4. Which of the following would generate an output signal in which its intensity varies continuously
depending on the location of the light on the image?
a. ADC c. MRI
b. PMT d. FOV
5. ____ is used to describe the degree of film blackening as a result of radiation exposure, and it can be
measured by a densitometer.
a. Chemical processing c. Optical density
b. The film characteristic curve d. Film speed
6. The ____ refers to the sensitivity of the film to radiation.
a. film speed c. fog density
b. OD d. film density
7. In digital radiography, which of the following is a numerical representation of the patient?
a. analog image c. photomultiplier
b. analog-to-digital converter d. digital image
8. What can be located using the X-Y coordinate system?
a. X-axis c. Y-axis
b. pixel d. spatial location
9. Where do MRIs acquire data from the patient?
a. spatial frequency domain c. horizontal frequency domain
b. horizontal location domain d. spatial location domain
10. The purpose of the ____ class of processing is to generate an image that is more pleasing to the
observer.
a. image restoration c. image compression
b. image analysis d. image enhancement
1
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1. In radiology, what is the viewing task of the radiologist?
a. Manipulate images. c. Assess image quality.
b. Generate digital images. d. Detect pathology.
2. The term ____, as used in this book, refers to projection radiography, whereby computers process data
collected from patients using special electronic detectors that have replaced the X-ray film cassette.
a. filmless imaging c. film-screen radiography
b. digital radiography d. digital mammography
3. The processing of images using a computer is called ____.
a. digital radiology c. diagnostic imaging
b. image representation d. digital image processing
4. Which of the following would generate an output signal in which its intensity varies continuously
depending on the location of the light on the image?
a. ADC c. MRI
b. PMT d. FOV
5. ____ is used to describe the degree of film blackening as a result of radiation exposure, and it can be
measured by a densitometer.
a. Chemical processing c. Optical density
b. The film characteristic curve d. Film speed
6. The ____ refers to the sensitivity of the film to radiation.
a. film speed c. fog density
b. OD d. film density
7. In digital radiography, which of the following is a numerical representation of the patient?
a. analog image c. photomultiplier
b. analog-to-digital converter d. digital image
8. What can be located using the X-Y coordinate system?
a. X-axis c. Y-axis
b. pixel d. spatial location
9. Where do MRIs acquire data from the patient?
a. spatial frequency domain c. horizontal frequency domain
b. horizontal location domain d. spatial location domain
10. The purpose of the ____ class of processing is to generate an image that is more pleasing to the
observer.
a. image restoration c. image compression
b. image analysis d. image enhancement
1
This study source was downloaded by 100000839306532 from CourseHero.com on 03-05-2022 14:34:53 GMT -06:00
https://www.coursehero.com/file/27359812/RAD-130-Exam-1-docx/
