Show:
What the SCATTER
GREAT GRIDS
KVP u know me
Kiss my mAS
Them Bones
100
The type of interaction - radiation that forms the image- The photons are absorbed in the patient
What is a photoelectric interaction?
100
The grid should be placed-
What is between the patient and the IR?
100
This is the tool used to measure the part thickness
What is a caliper?
100
What is the new mAs if you half the distance (going from 40 to 20 inches)
What is 4 times more
100
the bump on the outside of your lower leg is called
What is lateral malleolus?
200
Most of scatter comes from this interaction
What is a Compton interaction?
200
What type of grid has lead strips angled with the CR
What is a focus grid?
200
The amount of kVp needed to adjust for each cm of part thickness increase when using a variable kVP chart
What is 2 kVP per cm?
200
What is the best selection for mAs when motion is a factor-
What is use high mA and low time
200
The number of ribs in the bony thorax-
What is 12
300
What body part will give you more scatter - Thicker or Thiner?
What is THICKER
300
The type of grid located in the wall or table-
What is a bucky?
300
this chart uses many different mAs values
What is variable kVp chart?
300
What side of tube is the mA selection affecting
What is cathode side or filament (this is where electrons are boiled off from)
300
The outer (lateral) inferior portion of the lung is-
What is costophrenic angle
400
TO reduce scatter you do this to collimation-
What is increase to collimation
400
What type of grid ratio will improve scatter best-
What is a high grid ratio
400
IF you want to improve contrast you will do this to kVp-
What is decrease.
400
my mA is 200 my time is .5 to increase the density by increasing mA only what mA should be used?
What is 400?
400
The head of the radius is located near what joint?
What is elbow
500
What happen to scatter as you increase kVp
What is increase
500
What causes grid cut off
The grid not being lined up with the CR- tube angle or IR angle
500
When an image has low contrast is can also be said to have this type of contrast:
What is low contrast.
500
This is always used to reduce patient dose
What is use lowest mAs possible?
500
The palpable landmark on the hip that lines up with the pubic symphysis
What is greater trochanter