LRA 222: MIDTERM EXAMINATION
conventional radiography - answers✔✔Film and intensifying screens are primarily used in
The use of a storage phosphor plate - answers✔✔CR acquires an image through:
computed - answers✔✔Technologist efficiency ratings are generally the same when comparing
conventional radiography with ______ radiography.
barium fluorohalide - answers✔✔The active element in a storage phosphor is:
Focused laser light - answers✔✔In reference to PSP image capture, to release the latent image,
which of the following devices is scanned over the phosphor plate?
scintillator - answers✔✔X-ray energy related in indirect capture DR will stimulate a ______,
which eventually is changed into an electrical signal.
photoconductor - answers✔✔The ______ converts x-ray energy directly to a digital electrical
signal.
dynamic range - answers✔✔Exposure latitude is to conventional radiography as _______ is to
DR.
Image gray scale values - answers✔✔A look-up table maps
, independent kilovoltage peak and milliampere-second stations. - answers✔✔All of the
following are components of a PACS except
False- Can't use the same equipment - answers✔✔Similar to CR, DR can use the existing
diagnostic equipment found in today's imaging departments.
True- indirect DR convert X-ray energy to visible light - answers✔✔Indirect capture DR converts
absorbed x-ray energy into visible light.
True - answers✔✔DICOM is a standard that allows imaging modalities and PACS to
communicate in the same language.
Changing the matrix and the FOV will not change the size of the pixel. - answers✔✔Which of
the following statements is not true?
picture element - answers✔✔Each square in a matrix is called a
depth - answers✔✔The number of bits per pixel is known as bit
Exposure index refers to the amount of exposure to the patient. - answers✔✔Which of the
following statements is not true??
actual exposure (KIND); target exposure (KTGT) - answers✔✔Deviation index is the difference
between _____ and _____ expressed in logarithmic fashion.
brightness - answers✔✔How dark or light a digital image appears on a display monitor is known
as:
conventional radiography - answers✔✔Film and intensifying screens are primarily used in
The use of a storage phosphor plate - answers✔✔CR acquires an image through:
computed - answers✔✔Technologist efficiency ratings are generally the same when comparing
conventional radiography with ______ radiography.
barium fluorohalide - answers✔✔The active element in a storage phosphor is:
Focused laser light - answers✔✔In reference to PSP image capture, to release the latent image,
which of the following devices is scanned over the phosphor plate?
scintillator - answers✔✔X-ray energy related in indirect capture DR will stimulate a ______,
which eventually is changed into an electrical signal.
photoconductor - answers✔✔The ______ converts x-ray energy directly to a digital electrical
signal.
dynamic range - answers✔✔Exposure latitude is to conventional radiography as _______ is to
DR.
Image gray scale values - answers✔✔A look-up table maps
, independent kilovoltage peak and milliampere-second stations. - answers✔✔All of the
following are components of a PACS except
False- Can't use the same equipment - answers✔✔Similar to CR, DR can use the existing
diagnostic equipment found in today's imaging departments.
True- indirect DR convert X-ray energy to visible light - answers✔✔Indirect capture DR converts
absorbed x-ray energy into visible light.
True - answers✔✔DICOM is a standard that allows imaging modalities and PACS to
communicate in the same language.
Changing the matrix and the FOV will not change the size of the pixel. - answers✔✔Which of
the following statements is not true?
picture element - answers✔✔Each square in a matrix is called a
depth - answers✔✔The number of bits per pixel is known as bit
Exposure index refers to the amount of exposure to the patient. - answers✔✔Which of the
following statements is not true??
actual exposure (KIND); target exposure (KTGT) - answers✔✔Deviation index is the difference
between _____ and _____ expressed in logarithmic fashion.
brightness - answers✔✔How dark or light a digital image appears on a display monitor is known
as:
