Tri 1: Fundamentals of Diagnostic Imaging:
RQs 1-6 UPDATED ACTUAL Exam
Questions and CORRECT Answers
An area of anatomy that is easily penetrated by xray photons producing a dark area is called
_________________ - CORRECT ANSWER - radiopaque
The process of differential absorption for image formation is the same for digital and film-screen
imaging. (T/F) - CORRECT ANSWER - True
A film image with a few visible densities but great differences among them is said to have
____________________ - CORRECT ANSWER - high contrast
What term is used to describe whiter than it should be? - CORRECT ANSWER -
Radiopaque or
Sclerosis
Three things that contribute to subject contrast? - CORRECT ANSWER - tissue thickness,
density and
Which of the following radiographic densities is least optically dense? - CORRECT
ANSWER - Metal
Bone
Water
Fat
Air
Dense items have low optical density
, What two imaging properties are associated with visibility? - CORRECT ANSWER -
accuracy and sharpness
The _______________ and _________________ of anatomical structures and their recorded
structural lines determine the overall quality. - CORRECT ANSWER - visibility and
accuracy
Order optical density from least dense to most dense: - CORRECT ANSWER - Air
Fat
Water
Bone
Metal
The visible difference between adjacent radiographic densities defines _______ - CORRECT
ANSWER - contrast
A radiographic image must have sufficient brightness to visualize the anatomic structures of
interest. (T/F) - CORRECT ANSWER - True
Subject density and optical density are _________________ related. - CORRECT
ANSWER - inversely
Radiographic density which is MOST optically dense? - CORRECT ANSWER - Air
Amount of density produced on a film screen is defined as ____________________ -
CORRECT ANSWER - intensity of radiation exposure
Who discovered x-rays? - CORRECT ANSWER - Wilhelm Conrad Roentgen
When were x-rays discovered? - CORRECT ANSWER - November 8, 1895
RQs 1-6 UPDATED ACTUAL Exam
Questions and CORRECT Answers
An area of anatomy that is easily penetrated by xray photons producing a dark area is called
_________________ - CORRECT ANSWER - radiopaque
The process of differential absorption for image formation is the same for digital and film-screen
imaging. (T/F) - CORRECT ANSWER - True
A film image with a few visible densities but great differences among them is said to have
____________________ - CORRECT ANSWER - high contrast
What term is used to describe whiter than it should be? - CORRECT ANSWER -
Radiopaque or
Sclerosis
Three things that contribute to subject contrast? - CORRECT ANSWER - tissue thickness,
density and
Which of the following radiographic densities is least optically dense? - CORRECT
ANSWER - Metal
Bone
Water
Fat
Air
Dense items have low optical density
, What two imaging properties are associated with visibility? - CORRECT ANSWER -
accuracy and sharpness
The _______________ and _________________ of anatomical structures and their recorded
structural lines determine the overall quality. - CORRECT ANSWER - visibility and
accuracy
Order optical density from least dense to most dense: - CORRECT ANSWER - Air
Fat
Water
Bone
Metal
The visible difference between adjacent radiographic densities defines _______ - CORRECT
ANSWER - contrast
A radiographic image must have sufficient brightness to visualize the anatomic structures of
interest. (T/F) - CORRECT ANSWER - True
Subject density and optical density are _________________ related. - CORRECT
ANSWER - inversely
Radiographic density which is MOST optically dense? - CORRECT ANSWER - Air
Amount of density produced on a film screen is defined as ____________________ -
CORRECT ANSWER - intensity of radiation exposure
Who discovered x-rays? - CORRECT ANSWER - Wilhelm Conrad Roentgen
When were x-rays discovered? - CORRECT ANSWER - November 8, 1895
