Type
Crossword
Description

The principle that spreads heat over a greater area of the anode and allows the effective focal spot to be smaller than the actual focal spot LINEFOCUS
How ninety-nine percent of an electrons kinetic energy is converted HEAT
Keeps the electron cloud together before they leave the cathode FOCUSINGCUP
Occurs when no more electrons can be boiled off the filament; limits x-ray tubes to a maximum of 1000 mA SPACECHARGEEFFECT
Area where electrons strike the anode FOCALSPOT
Environment inside the x-ray tube once all air has been removed VACUUM
Graph that allows radiographers to determine the maximum technical factor combination that is safe for the x-ray tube RADIOGRAPHICRATINGCHART
A coil of wire; source of electrons FILAMENT
The product of kVp, mA, and time HEATUNITS
Type of radiation emitted outside the tube housing; must be less than 1 mGy/hr at 1 m from the tube LEAKAGERADIATION
Causes uneven distribution of x-ray intensity between the cathode and anode HEELEFFECT
The positive electrode of an x-ray tube ANODE
The process of boiling off electrons at the filament THERMIONICEMISSION
The negative electrode of an x-ray tube CATHODE
The anode is constructed of this material due to its high melting point TUNGSTEN

The X-Ray Tube Word Search

Type
Word Search
Description

imaging equipment
xray beam
heat units
cooling tube
leakage radiation
off focus
stator
anode heel effect
line focus
dual focus
thermionic emission
armature
electromagnets
bearing
filament
tungsten
electrons
envelope
anode
cathode
vacuum
target

Radiology Crossword

Type
Crossword
Description

Contains x-ray tube tubehead
image is projected onto this imagereceptor
where electrons are converted into photons anode
holds film in the mouth receptorholder
concept that everyone should be exposed to minimal radiation ALARA
particles with a negative charge electron
particles with a positive charge proton
protects chest and lap leadapron
goes aroud neck, protects thyroid glad thyroidcollar
consists of exposure button, on/off, controls controlpanel
suspends x-ray tubehead extensionarm
consists of tungsten filament and focusing cup cathode
controls number of electrons produced in x-ray tube milliamperage
how the light and dark areas differ contrast
the darkness or blackness of an image density
controls the energy and wavelength kilovoltage

X-RAY TUBE Crossword

Type
Crossword
Description

The positive end of the x-ray tube ANODE
The negative side of the x-ray tube CATHODE
The stationary part of the induction motor STATOR
the rotating part of the induction motor ROTOR
where you can find the stator and rotor induction motor
what are two words we use instead of cathode fat cat
what is the anode made of? tungsten
The purpose for the ___________ cut is to guide the electron stream to the target area on the anode. filament
the chemical element of atomic number 42, a brittle silver-gray metal of the transition series, used in some alloy steels. molybdenum
a metal cup, in which the cathode of an X-ray tube is mounted, which electrostatically focuses the electron beam upon the focal spot on the surface of the anode. focusing cup

X-Ray Tube and Fluoroscopy Crossword

Type
Crossword
Description

The ___ phosphor absorbs the remnant x-ray photon and energy and emits light Input
The smaller the ____ focal spot, the sharper the image will be. Effective
Imaging that uses a continuous beam of x-rays to create images of moving internal structures that can be viewed on a display monitor Fluoroscopy
X-ray photon production happens at the Anode
The negative end of the tube. Cathode
Brightness gain AKA ___ factor Conversion
"___ lined metal structure is what the tube housing is made of." Lead
Used as the disk base and core. Molybdenum
Component of the image intensifier that converts light intensities to electrons Photocathode
"The main purpose of the enclosure is to maintain a ___ within the tube." Vacuum
X-rays are produced ___ Isotropically
A filament may break due to Vaporization
The focusing cup has a ___ charge Negative

X-RAY Word Search

Type
Word Search
Description

copperstem
tungstentarget
centralray
electroncloud
port
filter
xrays
anode
window
xray
highvoletagetranformer
vacuum
pid
filament
collimator
oil
lowvoltagetransformer
primarybeam
tube head
radiator
cathode
focusing cup

the x ray tube Word Search

Type
Word Search
Description

thermionicemission
targetwindow
stator
spacecharge
rotor
protectivehousing
leakageradiation
inductionmotor
heatunits
focusingcup
filament
effectivefocalspot
cathode
anodeheelaffect
anode
actualfocalspot

The x-ray tube Word Scramble

Type
Word Scramble
Description

actual focal spot
anode
anode heel affect
cathode
effective focal spot
filament
focusing cup
heat units
induction motor
leakage radiation
line focus principle
protective housing
rotor
space charge
stator
target window
thermionic emission

X-RAY PRODUCTION Word Search

Type
Word Search
Description

ANODE
AUTOMATIC EXPOSURE CONTROL
CATHODE
FILAMENT
HEEL EFFECT
KILO VOLTAGE
LINE FOCUS
ROENTGEN
THERMIONIC
TRANSFORMERS
TUNGSTEN

Radiation Characteristics Crossword

Type
Crossword
Description

controls the quality or wavelength of the x-ray beam kVp
regulates the temperature of the cathode filament milliamperage
is the interval of time during which x-rays are produced exposuretime
refers to how sharply dark and light areas are differentiated on an image contrast
is used to describe the mean energy or penetrating ability of the x-ray beam quality
refers to the number of x-rays produced in the dental x-ray unit quantity
is the overall darkness or blackness of an image density
is the product of the quantity and quality per unit of area per unit of time of exposure intensity
refers to the variation of the true size and shape of the object being imaged distortion
results from the divergent paths of the x-ray beam as they radiate from the focal spot magnification
refers to the capability of the receptor to reproduce the distinct outline of an object sharpness

X-Ray Bingo Cards

Type
Bingo Cards
Description

kVp
mAs
Density
# of electrons
Heel Effect
Anode
Cathode
30%-50%
10%-15%
white wash
Black
light grey
fat/tissue
penumbra
filament
Saunte's Equation
excessive scatter
collimator
foreshortening
Blue
Green
Silver halide crystals
phosphor crystals
12 properties

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