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LRA 221 FINALEXAM REVIEW 2024 /117 QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/ALREADY GRADED A+

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LRA 221 FINALEXAM REVIEW 2024 /117 QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/ALREADY GRADED A+

Institution
LRA 221
Course
LRA 221

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LRA 221 FINALEXAM REVIEW 2024 /117 QUESTIONS WITH
CORRECT DETAILED AND VERIFIED ANSWERS/ALREADY
GRADED A+



Film and intensifying screens are primarily used in CORRECT ANS:->> -
conventional radiography


CR acquires an image through:
CORRECT ANS:->> - The use of a storage phosphor plate


Technologist efficiency ratings are generally the same when comparing
conventional radiography with radiography. CORRECT ANS:-
>> - computed


The active element in a storage phosphor is:
CORRECT ANS:->> - barium fluorohalide


In reference to PSP image capture, to release the latent image, which of the
following devices is scanned over the phosphor plate?
CORRECT ANS:->> - Focused laser light


X-ray energy related in indirect capture DR will stimulate a ,
which eventually is changed into an electrical signal. CORRECT ANS:-
>> - scintillator


The converts x-ray energy directly to a digital electrical signal.
CORRECT ANS:->> -photoconductor


Exposure latitude is to conventional radiography as is to DR.
CORRECT ANS:->> -dynamic range


A look-up table maps
CORRECT ANS:->> - Image gray scale values

, All of the following are components of a PACS except
CORRECT ANS:->> - independent kilovoltage peak and milliampere-
second stations.


Similar to CR, DR can use the existing diagnostic equipment found in today's
imaging departments.
CORRECT ANS:->> - False- Can't use the same equipment


Indirect capture DR converts absorbed x-ray energy into visible light.
CORRECT ANS:->> - True- indirect DR convert X-ray energy to visible light


DICOM is a standard that allows imaging modalities and PACS to communicate
in the same language.
CORRECT ANS:->> - True


Which of the following statements is not true?
CORRECT ANS:->> - Changing the matrixand the FOV will not change the
size of the pixel.


Each square in a matrix is called a
CORRECT ANS:->> - picture element


The number of bits per pixel is known as bit
CORRECT ANS:->> - depth


Which of the following statements is not true??
CORRECT ANS:->> - Exposure index refers to the amount of exposure to the
patient.


Deviation index is the difference between and expressed in
logarithmic fashion.
CORRECT ANS:->> - actual exposure (KIND); target exposure (KTGT)


How dark or light a digital image appears on a display monitor is known as:

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