Grid or No Grid
Calculations
Creating a Chart
Potpourri
100
A canine abdominal film measuring 16 cm.
What is grid?
100
The product of an mA of 300 and time of 1/120.
What is 2.5 mAs?
100
The qualities of an ideal animal to use when setting up a chart.
What is medium sized, docile, clean, adult, moderate muscle, short hair
100
The number of technique charts for canine extremities that a clinic must have if they use 2 different kinds of film and screens.
What is two?
200
A skull radiograph on a cat.
What is no grid.
200
Santes' equation for a cat thorax measuring 6 cm with no grid factor.
What is 52 kVp?
200
The variable that never changes on a technique chart. (remember that we are setting up a chart for abdomen/thorax)
What are SID, grid, processing, film & screens?
200
What motion causes on a radiograph.
What is blurring?
300
A canine pelvis measuring 8 cm.
What is grid.
300
The product of an mA of 300 and time of 1/40.
What is 7.5 mAs?
300
The device used to measure the thickness of an area of interest.
What is a caliper?
300
This is caused when the FFD is too short.
What is increased density?
400
An extremity on a dog measured at 6 cm.
What is no grid?
400
Santes' equation for a canine thorax measuring 13 cm and a grid ratio of 12:1.
What is 78 kVp?
400
The only variables that change while setting up a technique chart using a dog as a model.
What is kVp and mAs?
400
This is the position that an animal would be in initially when setting up a thoracic technique chart.
What is lateral thorax?
500
An emaciated cat thorax measuring 12 cm.
What is grid.
500
Santes' rule calculation for a canine abdomen measuring 20 cm and a grid ratio of 12:1.
What is 92 kVp?
500
The term for things that appear dark on radiographs.
What is radiolucent?
500
The amount that would be added to Santes' Rule if your grid ratio is 12:1.
What is 10-15?
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