OT 3 Flashcards
In order to justify an automatic processor, 20-25 14”x17” films should be run through how ofter?
Each week.
If your temperature is too high in the dryer part of your automatic processor, what will most likely happen?
The films will probably have water spots.
With manual processing after a film is first put into solution, what is the next recommended step?
Agitate it.
Where would you place the wire mesh for a wire mesh test?
On the cassette.
Which of the following is NOT one of the criteria for holding a patient?
a. never use pregnant female to hold patient
b. the holder should wear protective apron and gloves
c. only employees should hold patient
d. the holder should be over 18 years old
c. only employees should hold patient.
What is the occupational annual dose limit for whole body exposure?
5 rem
Let’s say you have just installed an automatic processor in your dark room. Since is is a big processor you actually want it to be out of your small darkroom, Which part of the processor MUST be in the darkroom?
the feed tray.
1/16” lead is equivalent to how many inches of concrete?
Four.
Which combination of screen light and film color is preferred?
Green light and purple film.
How will dirt on the intensifying screen appear on the exposed film?
White specks
Which of the following would lead to the least exposure of a patient to ionizing radiation?
a. a grid
b. an extremity cassette
c. a dual screen system
d. an underpart filter
c. a dual screen system
What effect will a too fast of film-screen combination have on the radiograph?
It will demonstrate graininess.
Which speed is preferred in general spinal radiography with rare earth system?
400
Having a thicker phosphor layer in your screens will do what to the screens?
make the screen faster.
Your x-ray service person has told you that he has just completed a “wire mesh” test. In order to say something intelligent you have to think back to what the test is for. So, tell me! What does it test anyway?
if there is good contact between the screens and film.
