CT Test || WITH ANSWERS 100% PASSED!!
A digital image: correct answers is a numerical representation of an object.
Which of the following represents the logical order in digitizing an image? correct answers
Scanning, sampling, and quantization
The process of dividing a picture into small regions called pixels is referred to as: correct
answers scanning
The systematic method of collecting data from the patient is called: correct answers data
acquisition.
The purpose of image enhancement is: correct answers to generate an image more pleasing to
the observer.
The least complicated and most frequently used image processing technique is the: correct
answers point operation.
A histogram in digital image processing is: correct answers a plot of the number of pixels as a
function of the number of gray levels.
An increase of matrix size (with no change in field of view (FOV)) will ____________ detail.
correct answers Increase
Which of the following is the final step in digitizing an image? correct answers Quantization
The total number of gray levels is called: correct answers the gray scale.
0 on the gray scale correct answers Black
255 on the gray scale correct answers White
Which of the following does the computer system perform? correct answers Image
manipulation
Which of the following is part of the imaging system? correct answers The X-ray tube and
detector
The imaging system components are located in the correct answers Scanner room
All of the following are purposes of the image display, recording, storage, and
communication system except: correct answers Enables scanning procedures
The X-ray generator for CT scanners is usually a: correct answers High-frequency unit
Most scanners have a gantry aperture of about: correct answers 70 cm
The ideal couch top (table top) of a CT scanner table has all of the following features except:
correct answers Limited horizontal and vertical movements
A digital image: correct answers is a numerical representation of an object.
Which of the following represents the logical order in digitizing an image? correct answers
Scanning, sampling, and quantization
The process of dividing a picture into small regions called pixels is referred to as: correct
answers scanning
The systematic method of collecting data from the patient is called: correct answers data
acquisition.
The purpose of image enhancement is: correct answers to generate an image more pleasing to
the observer.
The least complicated and most frequently used image processing technique is the: correct
answers point operation.
A histogram in digital image processing is: correct answers a plot of the number of pixels as a
function of the number of gray levels.
An increase of matrix size (with no change in field of view (FOV)) will ____________ detail.
correct answers Increase
Which of the following is the final step in digitizing an image? correct answers Quantization
The total number of gray levels is called: correct answers the gray scale.
0 on the gray scale correct answers Black
255 on the gray scale correct answers White
Which of the following does the computer system perform? correct answers Image
manipulation
Which of the following is part of the imaging system? correct answers The X-ray tube and
detector
The imaging system components are located in the correct answers Scanner room
All of the following are purposes of the image display, recording, storage, and
communication system except: correct answers Enables scanning procedures
The X-ray generator for CT scanners is usually a: correct answers High-frequency unit
Most scanners have a gantry aperture of about: correct answers 70 cm
The ideal couch top (table top) of a CT scanner table has all of the following features except:
correct answers Limited horizontal and vertical movements
