LMRT Core Review Questions with Correct
Answers
patient Correct Answ_The greatest source during a radiographic examination is the
for part thickness above 10 cm Correct Answ_As a general rule, a radiographic grid is
employed
a grid is a series of lead strips that alternate w/radiopaque interspace strips Correct
Answ_Which statement about radiographic grids is incorrect?
blur out the radiopaque strips Correct Answ_the purpose of moving the grid during the
radiographic exposure is to
ratio Correct Answ_The ratio of the height of the lead strips to the distance between the lead
strips is the grid
6:1 Correct Answ_Which grid would have the greatest distance between lead strips?
, 15:1 Correct Answ_Which grids would most effectively reduce scatter?
frequency Correct Answ_The # of grids lines per inch is the grid
the ability of the grid to remove scatter increases Correct Answ_As the lead content of a grid
increases
grid cut-off Correct Answ_Angulation across the long axis of a linear grid causes
Potter-Bucky diaphragm Correct Answ_A device that moves the grid during a radiographic
exposure is called a
perpendicular Correct Answ_A potter-bucky diaphragm must move the grid in a direction
that is_ to the direction of the grid lines
the use of reusable receptors Correct Answ_Digital radiography (DR) is characterized by
binary machine Correct Answ_Computers operate using a_ language
Answers
patient Correct Answ_The greatest source during a radiographic examination is the
for part thickness above 10 cm Correct Answ_As a general rule, a radiographic grid is
employed
a grid is a series of lead strips that alternate w/radiopaque interspace strips Correct
Answ_Which statement about radiographic grids is incorrect?
blur out the radiopaque strips Correct Answ_the purpose of moving the grid during the
radiographic exposure is to
ratio Correct Answ_The ratio of the height of the lead strips to the distance between the lead
strips is the grid
6:1 Correct Answ_Which grid would have the greatest distance between lead strips?
, 15:1 Correct Answ_Which grids would most effectively reduce scatter?
frequency Correct Answ_The # of grids lines per inch is the grid
the ability of the grid to remove scatter increases Correct Answ_As the lead content of a grid
increases
grid cut-off Correct Answ_Angulation across the long axis of a linear grid causes
Potter-Bucky diaphragm Correct Answ_A device that moves the grid during a radiographic
exposure is called a
perpendicular Correct Answ_A potter-bucky diaphragm must move the grid in a direction
that is_ to the direction of the grid lines
the use of reusable receptors Correct Answ_Digital radiography (DR) is characterized by
binary machine Correct Answ_Computers operate using a_ language
