Create an account
The continued emission of light by a phosphor after the activating source has ceased is termed
A test tool that demonstrates line pairs per millimeter is used to express
intensifying screen resolution
The term spectral matching refers to the fact that film sensitivity must be matched with the
proper color screen fluorescence
In the posterior oblique position of the cervical spine, the central ray should be directed
15 degrees cephalad to C4
Which interaction between x-ray photons and matter results in total absorption of the incident photon
Protective gloves worn during fluoroscopic procedures should be lined with a minimum lead equivalent of
All other factors remaining the same, if a 14 × 17-inch field is collimated to a 4-inch square field, the radiographic image will demonstrate
What is the name of the device that functions to expose a film with an optical step wedge having a number of densities ranging from white to black
Which of the following barium-filled anatomic structures is best demonstrated in the left anterior oblique (LAO) position
The steeper the straight line portion of a characteristic curve for a particular film, the
1. slower the film speed
2. higher the film contrast
3. grater the exposure latitude
higher the film contrast
Examination of the following body parts is done using a low kVp:
1. gall bladder
3. small bowel
gall bladder & kidneys
If single-emulsion film was loaded into its cassette with the emulsion facing away from the intensifying screen, the resulting image would demonstrate
How is SID related to exposure rate and radiographic density
As SID increases, exposure rate decreases and radiographic density decreases
In a modern image intensifier, what purpose does the photocathode serve
converts light photons to electrons
Compared to that of the hyposthenic and asthenic habitus types, the gallbladder of a hypersthenic patient is most likely to be located
higher and more lateral
What term describes effects that become evident in the descendants of irradiated individuals
Which of the following may have an effect on patient-exposure dose?
1. Milliamperage seconds
3. beam restriction
Milliamperage seconds, filtration, beam restriction
Which of the following is (are) well demonstrated in the oblique position of the cervical vertebrae?
1) Intervertebral foramina
2) Disk spaces
3) Apophyseal joints
The right anterior oblique of the cervical spine requires which of the following combinations of tube angle and direction
15° to 20° caudad
Which of the following conditions is often the result of ureteral obstruction or stricture
Which of the following is a necessary criterion for demonstrating the intercondyloid fossa
The central ray should be directed perpendicular to the lower leg
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together