Scatter Basics
Scatter Radiation is the primary result of THIS interaction.
What is Compton Interaction?
Collimation is also referred to as THIS.
What is Beam Restriction?
THIS is the Intended Purpose of Radiographic Grids.
What is Absorbing Scatter Radiation from the Patient?
A lead shield is placed on the X-ray table in front of the patient to reduce THIS.
What is Scatter Radiation that Reduces Image Quality?
THIS is Considered to be the Best Beam-Restricting Device available in Radiography.
What is a Collimator?
The probably of Compton Scattering is directly related to THIS.
What is the Energy of the Photon?
A collimator has THIS many sets of lead shutters.
What is Two - Three?
THIS contains a Permanently Mounted Grid & allows the IR to Slide Behind it.
What is a Grid Cap?
THIS is the Important Step that Affects the Processing of the Digital Image.
What is Accurate Placement of the Lead Shield?
THIS is the Simplest Beam-Restricting Device, consisting of a Flat Piece of Lead with a Hole in it.
What is the Aperture Diaphragm?
THIS makes scatter radiation detrimental to radiographic quality.
What is Unwanted Exposure (Fog)?
THIS type of collimator automatically limits the Size and Shape of the Primary Beam to the IR.
What is the Automatic Collimator?
THIS is the range of dimensions for a Lead Grid Device.
What is 8x10 in. - 17x17 in. & Approx. 1/4 in. thick?
THIS Simple Concept states that the Greater the Gap, the Greater Reduction in Scatter Radiation Absorbed by the IR.
What is the Air Gap Technique?
THESE Devices limit the Degree of Unsharpness surrounding the Radiographic Image.
What are Cones and Cylinders?
THESE two major factors affect the amount of scatter radiation produced.
What is Tissue Volume & kVp (Kilovotage Peak)?
The collimator includes a White Light Source, which highlights THIS in the Patient Light Field.
What is the Exposure Area of the Primary X-Ray Beam?
THIS is the Formula to calculate the Grid Conversion Factor.
What is GCF = mAs with the Grid / mAs without the Grid?
THESE help to limit Occupational Scatter Radiation Exposure from a Patient.
What are Lead Aprons and Appropriate Distance from the X-Ray Field?
THESE are disadvantages Cones and Cylinders have against Aperture Diaphragms.
What is Limited Sizing and Inability to be Swapped Out (Not Interchangeable)?
THESE are tools that Radiographers use to limit the affects of scatter radiation on the radiographic image.
What are Beam-Restricting Devices & Radiographic Grids?
The collimator is equip with THIS as a fail-safe if failure of the White Light Source and Mirror occurs.
What is the X-Ray Field Measurement Guide?
THIS is the Direct Relationship that improves Scatter Clean-up.
What is an Increase in Grid Ratio & Radiographic Contrast. ?
THIS is the most common application of the Air Gap Technique due to the Limited Proximity to the Patient's Spine.
What is Lateral Projection of the Cervical Spine?
THIS helps a Radiographer Reduce Unnecessary Radiation Exposure by making it Difficult to Increase the Primary Beam Field to larger than the IR.
What is an Automatic Collimator?