IMAGE ANALYSIS 5TH EDITION
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,
, _____ is the boiling off of electrons from the filament when current is applied
Tube current
The actual flow of electrons from the cathode to the anode within the X-ray tube is known as:
Tube current
mA is a measure of ____ that flows from cathode to anode.
Increase the speed of electrons and increase the penetrability of the beam
Increasing the kVp will do which of the following?
Effective focal spot
What focal spot size is measured directly under the anode target?
Increasing beam quality
Filtration of the x-ray beam results in:
HVL
amount of filtration required to reduce the exposure of the beam to half of its original intensity is
defined as:
Compensating
Which of the following types of filtration produce a more uniform exposure to the image receptor?
Suddenly decelerated, accelerated, and liberated from the cathode filament
In order to produce x-rays, electrons must be
Focusing cup
The device that nearly surrounds the filament is:
Cathode filaments
A dual-focus tube has two:
Tungsten
The rotating target tray is primarily made of:
High; High
November 8, 1995
When were x-rays discovered?
the unknown
The letter x in x-rays is the symbol for?