Type
Word Search
Description

radiation protection
radiation exposure
dosimeters
ionization chambers
flat panel detectors
photographic film
photographic plates
spectrum
xray photons
cell damage
ionizing radiation
spatial distribution
flux
rays
beam
imaging
roentgen rays
roentgenograms
radiation
electromagnetic
waves
radiowave
roentgen
bones
scientist
xray

Electromagnetic Waves Word Search

Type
Word Search
Description

Electromagnetic Radiation
Electromagnetic Spectrum
Electromagnetic Wave
Fluorescent Light
Gamma Rays
Illuminated
Incandescent Light
Infrared Rays
Luminous
Microwaves
Neon Light
Photoelectric Effect
Photon
Polarized Light
Radio Waves
Spectroscope
Thermogram
Tungsten Halogen Light
Ultraviolet Rays
Vapor Light
Visible Light
X Rays

Chapter 38 and 39 Vocabulary Crossword Puzzle

Type
Crossword
Description

radiation protection concept meaning, "As Low as Reasonably Achievable" ALARA
The positive electron in the x-ray tube Anode
basic unit of matter Atom
The negative electrode in the x-ray tube Cathode
x-rays at the center of the beam. Central Ray
difference in degrees of blackness on an image contrast
The portion of the x-ray unit that contains the master switch, indicator light, selection buttons, and the exposure button. control panel
the overall darkness or blackness of an image density
the process of recording images of the teeth and adjacent structures by exposure to x-radiation dental radiography
a filmless method of capturing an image and displaying it by using an image receptor, an electronic signal, and a computer to process and store the image. digital imaging
change in the size of an image caused by incorrect vertical angulation distortion
the amount of energy absorbed by tissues dose (of radiation)
a device used to detect and measure an accumulated dosage of radiation dosimeter
a negatively charged particle in the atom electron
the ability to do work energy
flexible arm that is attached to the x-ray tubehead extension arm
effect of radiation that are passed on to future generations through genetic cells genetic effects
film based or digitally produced recordings of anatomic structures image
a recording medium (or device) for an image, normally film, phosphor storage plate (PSP), or a digital sensor. image receptor
the total energy of the x-ray beam intensity
an electrically charged particle ion
process by which electrons are removed from atoms, causing the harmful effects of radiation in humans. ionization
highest voltage of x-ray tube used during exposure kilovoltage peak
time between exposure to ionizing radiation and the appearance of symptoms latent period
device used to protect the reproductive and blood-forming tissues from scatter radiation lead apron
the proportional enlargement of an image Magnification
anything that occupies space and has form or shape matter
one one-thousandth (1/1000) of an ampere; a unit of measurement used to describe the intensity of an electrical current. milliampere
the blurred or indistinct area that surrounds an image penumbra
a minute (tiny) bundle of pure energy that has no weight or mass photon
the most penetrating beam produced at the target of the anode Primary beam
the mean energy or penetrating ability of the x-ray beam. quality

photography Crossword

Type
Crossword
Description

the natural agent that stimulates sight and makes things visible. Light
a form of electromagnetic (EM) radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally, visible light is defined as the wavelengths that are visible to most human eyes Visible ligt
apparently colorless light, for example ordinary daylight. It contains all the wavelengths of the visible spectrum at equal intensity. White Light
The distance - from peak to peak in a light wave - that determines the color of the light Wavelength
the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. Frequency
a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second Speed of Light
the light-gathering device of a camera lens
a lens that causes parallel rays (as of light) to come to a focus. converging lens
a lens that causes a beam of parallel rays to diverge after refraction, as from a virtual image diverging lens
a device for recording visual images in the form of photographs, film, or video signals. camera
a camera setting corresponding to a particular f-number f-stop
a space through which light passes in an optical or photographic instrument, especially the variable opening by which light enters a camera. aperture
a device that opens and closes to expose the film in a camera. shutter
the time for which a shutter is open at a given setting. shutter speed
a digital camera combining the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor SLR
the position of a viewed object or the adjustment of an optical device necessary to produce a clear image focus
the distance between the nearest and the furthest objects that give an image judged to be in focus in a camera. depth of field
a room from which normal light is excluded, used for developing photographs. darkroom
a thin flexible strip of plastic or other material coated with light-sensitive emulsion for exposure in a camera, used to produce photographs or motion pictures. film
a light source suitable for use in a photographic darkroom safe light
a light-sensitive coating for photographic films and plates, containing crystals of a silver compound dispersed in a medium such as gelatin. emulsion
The silver crystals that make up an image on a negative or print silver halide
the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales film speed
equal iso
a sealed plastic unit containing a length of audiotape, videotape, film, etc. wound on a pair of spools, for insertion into a recorder or playback device. cassette
an image on an exposed film or print that has not yet been made visible by developing. latent image
a photographic image made on film or specially prepared glass that shows the light and shade or color values reversed from the original, and from which positive prints can be made. negative
a chemical agent used for treating photographic film to make a visible image developer
a bath for stopping the action of a preceding bath by neutralizing any of its chemical still present. stop bath
a substance used for fixing a photographic image. fixer
the chemical sodium thiosulphate (formerly called hyposulphite) used as a photographic fixer. hypo
will reduce wash time, and help eliminate any of the magenta sensitizing dye so you will get nice clear film base. hypo clearing agent
wetting agent, dip your final film into photo flo
cleaning agent such as soap and water water wash
the action of briskly stirring or disturbing something, especially a liquid agitation

Waves and Electromagnetic Spectrum Crossword

Type
Crossword
Description

For waves on the surface of the ocean or lakes wave
This article is about the scalar physical quantity enegry
a measurement that indicates the movement or vibration of something (such as a sound wave or a radio wave) amplitude
Frequency is the number of occurrences of a repeating event per unit time frequency
In physics, the wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats, wavelength
the lowest turning point of a wave cycle trough
A crest is a point on the wave where the displacement of the medium is at a maximum. crest
A transverse wave is a moving wave that consists of oscillations occurring perpendicular to the direction of energy transfer. transverse wave
Longitudinal waves, also known as "l waves", are waves in which the displacement of the medium is in the same direction as, or the opposite direction to, the direction of travel of the wave. longitudinal wave
the point or place where something begins or is created line of origin
Infrared (IR) is invisible radiant energy, infared light
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. radio waves
Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 380 nm (750 THz), shorter than that of visible light but longer than X-rays. ultraviolet light
A gamma wave is a pattern of neural oscillation in humans with a frequency between 25 and 100 Hz,[1] though 40 Hz is typical.[2] gamma waves
Visible light waves are the only electromagnetic waves we can see visible light
Space void of matter. vacuum
is a form of electromagnetic radiation x-ray waves
a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays microwaves
pertaining to, or produced by electromagnetism. electromagnetic

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

Radiation Protection Review Crossword #1

Type
Crossword
Description

The greatest source of natural background exposure according to NCRP report #160 Radon gas
Personnel monitoring device that is accurate to 1mrem OSL dosimeter
Interaction that occurs at greater than 1.02 MeV Pair production
Interaction that is responsible for producing contrast on an image Photoelectric
Photon-tissue interaction that does not result in ionization Coherent
Photon tissue interaction that necessitates the use of a grid Compton
Unit used to describe radiation present in a fluoroscopic room Roentgen
Agency that publishes radiation protection standards based on scientific research NCRP
Photon-tissue interaction that does not occur in diagnostic radiology Pair
Process of cell division for germ cells Meiosis
Most radiosensitive cells in the body Lymphocytes
Late somatic effect Carcinogenesis
Limits the area of the patient being irradiated Collimator
Cardinal rules for radiation protection time distance shielding
Dosimeter that is accurate to 10mrem TLD
Device that may be used to measure in-air exposures in a fluoroscopic room Handheld ionization chamber
Another name for a positive beam limitation device Automatic collimation
Most effective protection against radiation exposure for the radiographer Distance

Radiation Safety Crossword

Type
Crossword
Description

What is used to provide a measurement of radiation exposure? Film Badge
The primary risk from occupational radiation exposure is the increased risk of? Cancer
X-rays were discovered in 1895 by? Roentgen
One result of radiation interacting with a cell wall or DNA? Dies
As low as reasonably____________? Achievable
The 3 most common ways to control radiation exposure are time, __________, and shielding? distance
The absorbed dose is most often measured in ? grays
Name one of the 3 sources of x-ray exposure?(2 words) Medical radiation
The target of the x-ray tube is often made from? Tungsten
The dislodging of one or more electrons from an atom is called? Ionization
Increasing your distance from the source of radiation ___________ amount of the radiation received ? reduces

Chapter 5: Electromagnetic Waves Crossword

Type
Crossword
Description

a transverse wave that involves the transfer of electric and magnetic energy Electromagnetic wave
the energy that electromagnetic waves transfer through matter or space Electromagnetic radiation
the light that passes through Polarized light
light can cause an electron to move so much it is knocked out of the metal Photoelectric effect
a packet of light energy Photon
the complete range of electromagnetic waves placed in order of increasing frequency Electromagnetic spectrum
elelectromagnetic waves with the longest wave lengths and lowest frequencies Radio waves
shorter wavelengths and higher frequencies Microwaves
uses reflected microwaves to detect objects and measure their distance and speed Radar
electromagnetic waves with wavelengths shorter than those of microwaves Infrared Rays
an image that shows reigons of different temperatures in different colors thermogram
electromagnetic waves that you can see Visible light
electromagnetic waves with wavelengths just shorter than those of visible light Ultraviolet rays
electromagnetic waves with wavelengths just shorter than ultraviolet rays X-rays
electromagnetic waves with the shortest wavelengths and the highest frequancies Gamma rays
a method of broadcasting signals by changing the amplitude of a wave Amplitude modulation
a method of broadcasting signals by changing the frequency of a wave Frequency modulation

Electromagnetic Spectrum Crossword

Type
Crossword
Description

he emission or transmission of energy in the form of waves or particles through space or through a material medium radiation
EM waves with frequencies between microwaves and visible light infrared light
electromagnetic waves with the lowest frequencies radio waves
the range of all electromagnetic frequencies electromagnetic spectrum
a type of wave that does not require a medium to travel; a disturbance that transfers energy through a field electromagnetic wave
EM waves with frequencies above visible light and below x-rays ultraviolet light
EM waves with frequencies between ultraviolet light and gamma rays x-rays
electromagnetic waves with the highest frequencies gamma rays
the passage of a wave through a medium transmission
a tool that uses refraction to separate the wavelengths that make up light prism
the part of the EM spectrum that human eyes can see visible light
EM waves that are used in radar and cell phones microwaves

Chapter 8 Image Production Crossword

Type
Crossword
Description

x-ray photons removed from the x-ray beam as a result of the uptake of their energy by body tissues absorption
reduction in the energy or number of photons in the primary x-ray beam after it interacts with anatomic tissue attenuation
interaction that occurs with low energy x-rays. the incoming photon interacts with the atom, causing it to become excited. the x-ray does not lose energy, but changes direction coherent scattering
scattering that results from the loss of some energy of the incoming photon when it ejects an outer-shell electron from a tissue atom compton effect
the electron ejected from an atom during a scattering event compton electron
an expression of the luminance at the output phosphor divided by the input exposure rate conversion factor
the difference between the x-ray photons that are absorbed photoelectrically versus those that penetrate the body differential absorption
negatively charged plates along the length of the image-intensifier tube that repel the electron stream, focusing it on the small output phosphor electrostatic focusing lenses
the attenuated x-ray beam leaves the patient and is composed of both transmitted and scattered radiation exit radiation
the use of a continuous beam of x-rays to create dynamic images of internal structures that can be viewed on a display monitor fluoroscopy
an expression of the ratio of the number of light photons at the output phosphor to the number of light photons emitted in the input phosphor flux gain
unwanted exposure on the radiographic image that does not provide any diagnostic information fog
during fluoroscopy, the process of creating a brighter visible image image intensification
a device that receives the radiation leaving the patient image receptor
a layer of the image intensifier made of cesium iodide and bonded to the curved surface of the tube itself. absorbs remnant x-ray photon energy and emits light in response input phosphor
the removal of an electron from an atom ionization
the invisible image that exists on the image receptor before it has been processed latent image
the visible radiographic image on the exposed film after processing manifest image
an expression of the degree to which the image is minified from input phosphor to output phosphor minification gain
a layer in the image intensifier that absorbs the electron stream and emits light in response output phosphor
a layer of the image intensifier made of cesium and antimony compounds. these metals emit electrons in response to light stimulus photocathode
the total absorption of the incident photon by ejecting and inner shell electron photoelectric effect
the electron ejected from an atom during a photoelectric interaction photoelectron
the attenuated x-ray beam leaving the patient that is composed of both transmitted and scattered radiation remnant radiation
incoming photons are not absorbed, but instead lose energy during interactions with the atoms composing the tissue scattering
the ejected electron resulting from the compton effect interaction secondary electron
matter per unit volume, or the compactness of the atomic particles composing the anatomic part tissue density
x-ray photons that pass through the body to expose the image receptor transmission
an expression of the ability of an image intensifier tuber to convert x-ray energy into light energy and increase the brightness of the image brightness gain