X-ray Tube
Exposure
Digital
Restricted
Electricity
Physics
100
positive electrode of the x-ray tube
What is the anode?
100
designed to reproduce a desired amount of film density in images
What is Automatic Exposure Control?
100
image receptors in digital radiography
What is a radiation detector?
100
simplest type of beam restricting device
What is an aperture diaphragm?
100
Ohm's Law formula
What is V = IR?
100

contains only on kind of atom and cannot be decomposed to simpler substances by ordinary means

element

200
part of induction motor located outside the glass envelope
What is stator?
200
AEC is designed for this purpose
What is to reduce the number of repeated radiographs taken due to over and under exposures?
200
radiation detector energy conversion
What is converts the remnant radiation from patient to an electrical signal?
200
most common type of beam restriction
What is a collimator?
200
amperage
What is volts/resistance?
200

acceleration

time rate of change of velocity

300
type of power required to operate induction motor for tube roation
What is AC?
300
patient positioning over correct phototimer cell
What is required for adequate penetration of body area?
300
after computer processing, the image appears on the computer monitor in this form
What is an image matrix?
300
attached to the bottom of the collimator housing
What is cylinder or cone?
300
watt
What is unit of power?
300

has a negative charge of 1.60 x 10-19 coulombs

electron

400
means that x-rays are produced with equal intensity in all directions
What is isotropically?
400
set amount that back-up timer should be set on
What is 150% of the anticipated manual exposure time?
400
components of an image matrix
What is cells in rows and columns?
400
automatically restricts beam to size of IR
What is PBL (positive beam limitation)?
400
a 60 cycle/minute generator has this many pulses
What is 120?
400

heat unit formula for:

A. single phase generator

B. three phase, 6 pulse generator

A. kV x mA x sec

B. kV x mA x sec x 1.35


500
radiation leakage should not exceed __________ per hour at 1 meter
What is 1 mGya (100 mR/hr)?
500
+1 or -1 adjustments
What is 25%?
500
each cell in an image matix
What is a pixel (picture element)?
500
material most commonly used for filtration?
What is aluminum?
500
meter that is connected in a parallel manner in a circuit
What is a voltmeter or ohmmeter?
500

type of convertions:

A. mechanical energy to electrical energy

B. electrical energy to mechanical energy

A.  generator or dynamo

B.  motor

M
e
n
u