dark area is called _________________
True - Correct Answers The process of differential absorption for image formation is the same for digital
and film-screen imaging. (T/F)
high contrast - Correct Answers A film image with a few visible densities but great differences among
them is said to have ____________________
Radiopaque or
Sclerosis - Correct Answers What term is used to describe whiter than it should be?
tissue thickness, density and - Correct Answers Three things that contribute to subject contrast?
Metal
Bone
Water
Fat
Air
Dense items have low optical density - Correct Answers Which of the following radiographic densities is
least optically dense?
accuracy and sharpness - Correct Answers What two imaging properties are associated with visibility?
visibility and accuracy - Correct Answers The _______________ and _________________ of anatomical
structures and their recorded structural lines determine the overall quality.
, Air
Fat
Water
Bone
Metal - Correct Answers Order optical density from least dense to most dense:
contrast - Correct Answers The visible difference between adjacent radiographic densities defines
_______
True - Correct Answers A radiographic image must have sufficient brightness to visualize the anatomic
structures of interest. (T/F)
inversely - Correct Answers Subject density and optical density are _________________ related.
Air - Correct Answers Radiographic density which is MOST optically dense?
intensity of radiation exposure - Correct Answers Amount of density produced on a film screen is
defined as ____________________
Wilhelm Conrad Roentgen - Correct Answers Who discovered x-rays?
November 8, 1895 - Correct Answers When were x-rays discovered?
The penetrating power of the x-ray beam is controlled by varying the - Correct Answers kVp=
inversely - Correct Answers Wavelength and frequency are _________ related.
Polyenergetic - Correct Answers The x-ray beam used in diagnostic imaging can be described as being
____________