Chapter 6 Flashcards
What are the two classifications of medical x-ray units?
Diagnostic or therapeutic
What is the diagnostic x-ray range?
Approximately 10-1,200 milliamperes (mA) , 0,001-10 seconds, at a peak kilovoltage (kVp) of approximately 25-150
The radio graphic table is designed to?
Support the patient in a position that will enhance radiographic examination.
The tabletop must be uniformly ___________ to easily permit x-rays to pass through.
Radiolucent
What are two serious disadvantages of curved table tops?
It is difficult for the radiographer to maintain a patient accurately in an oblique or lateral position on a curved top, and the top is entirely useless as a level support surface for an image receptor during tabletop radiography.
The tabletop must be…
Easily cleaned, hard to scratch, and without crevices where radiographic contrast media can accumulate.
What two models are table available in?
Fixed or tilting
Fixed tables….
Do not permit tilting the patient’s head or feet down. They are designed for diagnostic radiographic work only.
Tilting tables are sometimes described by their _________.
Tilting capability
The table is usually at a height that reduce physical strain on the ____________.
Radiographer
What three functions can a compression band serve?
-restrain patients who are unable to cooperate
-compress abdominal tissue for a more uniform subject density
-compress the renal ureters to restrict the flow of urine to the bladder until they are released