2nd stack Word Scramble

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Question	Answer
Misalignment of the tube-part-IR relationship results in ?	Shape distortioning
An algorithm is a?	series of variable instructions
The intensity of ionizing radiation decreases as....	distance from the source of radiation increases
The reduction in xray photon intensity as the photon passes through material is termed?	attenuation
If a lateral projection of the chest is bearing performed on an asthenic patient and the outer photocells are selected, what is likely to be the outcome?	decreased IR exposure
The component of a CR image plate that records the radiologic image is the?	photostimulable phosphor
The radiation dose received by the digital detector for each image is indicated by the?	exposure Indicator
The luminescent light emitted by the PSP is transformed into the image seen on the CRT by the ?	ADC
The term windowing describes the practice of?	changing the image brightness and/or contrast scale
Foreshortening can be caused by ?	the radiographic object being placed at an angle to the IR
Unopened boxes of radiographic film should be stored away from radiation and ?	in a vertical position
term used to describe unsharp edges of tiny radiographic details	Blur
The term pixel is associated with all of the following except...	how much of the part is included in the matrix
Geometric blur can be evaluated using all the following devices except?	penetrometer
Because of the anode heel effect, the intensity of the xray beam is greatest along the...	cathode end of the beam
the term voxel is associated with all of the following except	FOV
Analog to digital conversion is required in the following imaging system	CR
For the same FOV, spatial resolution will be improved using..	larger matrix
The absorption of useful radiation by a grid is called...	grid cutoff
All of the following are related to spatial resolution except?	milliamperage
Focal spot blur is greatest...	toward the cathode end of the xray beam
How are mAs and patient dose related	directly proportional
Which of the following pathological conditions requires a decrease in exposure factors?	Emphysema
Which of the following conditions would require decrease in exposure factors?	Osteoporosis
Diagnostic xrays are associated with...	high frequency, short wavelength
Which of the following devices is used to overcome severe variation in patient anatomy or tissue density, providing more uniform receptor exposure?	compensating filter
Underexposed of an SF radiograph can be caused by all the following except insufficient	SID
The process of windowing of digital images determines the image...	contrast
What is the purpose of the thin layer of lead that is often located on the rear portion of an IP?	to prevent scattered radiation fog
The purpose of the electroconductive layer of a CR PSP plate is to...	facilitate transportation through the scanner/ reader
Which of the following combinations is most likely to be associated with quantum mottle?	decreased mAs, increased kV
As window level increases...	brightness increases
The radiographic accessory used to measure the thickness of body parts in order to determine optimal selection of exposure factors is the ...	caliper
The xray image seen on the computer display monitor is a...	analog image
A radiograph made with a parallel grid demonstrates decreased receptor exposure on its lateral edges. This is due to...	decreased SID
A particular mAs value, regardless of the combination of milliamperes and time, will reproduce the same receptor exposure. This is a statement of the...	reciprocity law
OID is related to spatial resolution in which of the following ways?	Spatial resolution is inversely related to OID
In digital imaging, as DEL size decreases	spatial resolution increases
An increase in kV will serve to	increase photon energy
What requires 2 exposures to evaluate focal spot accuracy?	Slit camera
Focusing distance is associated with...	grids
the processing algorithm represents the	anatomical part and projection
43 The relationship between height of a grid's lead strips and the distance between them is reffered to as grid....	ratio
Changes in mAs can affect all of the following except...	spatial resolution
What feature is used to display RIS info on current patients?	modality work list
Why is a very short exposure time essential in chest radiography?	to minimize involuntary motion
How is SID related to exposure rate and image receptor exposure?	As SID increases, exposure rate decreases and receptor exposure decreases.
In digital imaging, TFT DEL size is related to	spatial resolution
Which pathological condition requires an increase in exposure factors	Ascites
One pair line is described as	one blank line on a light background and an interspace of the same width

Created by: nasanders