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Robert Newberry
module 3 molecular and cellular Radiation
20
Health Care
Undergraduate 1
11/26/2017
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Term
Compton interaction
 Definition
What is the most common interaction in the human body
Term
Ionizing
 Definition
an x ray photon that ejects an electron from its orbit is characterized as
Term
Low Density
 Definition
Absorbed radiation in matter will have _____ ____ in a Radiographic image
Term
High Density
 Definition
Matter that transmits the incoming x-ray photon will create an area of what on the radiographic image
Term
transmitted and scattered radiation
 Definition
Exit Radiation is composed of
Term
Photoelectric interaction.
 Definition
x-ray interaction that is responsible for absorption is
Term
coherent scattering
 Definition
                an interaction with low energy x-rays is 
Term
Collimation
 Definition
reducing the size of the primary x-ray beam to the area of interest is
Term
Shielding
 Definition
A form of protection for both the Patient and the technologist is
Term
Lead
 Definition
Protective garments are primarily constructed of
Term
manifest image
 Definition
The processed and completed image is called a
Term
Differential Absorption
 Definition
some of the x-ray beam is absorbed in the tissue and some passed through the anatomic part is 
Term
Image Receptor (IR)
 Definition
the devise that receives the radiation upon exiting the patient is the 
Term
Latent Image
 Definition
The image that exist prior to processing is called a
Term
Scatter
 Definition
An incoming photons that is not absorbed, but instead they lose energy and changes direction leaving the anatomic part is
Term
Scatter
 Definition

 

x-ray photons that reach the Image Receptor but do not contribute to image formation
Term
Scatter Radiation
 Definition
increased fog, decrease contrast  and reduced visibility of detail is a result of 
 
 
Term
Grid
 Definition
the device composed of strips of lead and radiolucent interspace material is called a 
Term
Collimator
 Definition
The device is used to limit the radiation field and is in the tube assembly is called the 
Term
10 centimeters
 Definition
Tissue (matter) that is thicker than ______ requires the use of a grid.
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