Type
Crossword
Description

This crossword contains the following questions and answers:

The reduction in the number of x-ray photons in the beam, and subsequent loss of energy, as the beam passes through matter. attenuation
Scatter interaction between x-rays and matter characterized by interaction between a very-low-energy x-ray photon and matter causing the electron to vibrate at the same frequency as the incident photon, which then produces a secondary photon with the same energy and wavelength as the incident photon but that travels in a different direction coherent
The dislodged electron resulting from Compton scattering; also called a recoil electron. recoil
An interaction between x-rays and matter characterized by an incident x-ray photon interacting with a loosely bound outer-shell electron, resulting in removal of the electron from the shell, which then proceeds in a different direction as a scattered photon. compton
The reaction of electrons dropping into the holes created during a characteristic interaction until there is only a hole in the outer shell. cascade
The result of scattered photons striking the radiographic film and placing a density on the film that is unrelated to the patient’s anatomy is radiation ___. fog
An interaction between x-rays and matter characterized by an incident electron with slightly greater energy than the binding energy of the electrons in the inner shells, ejecting an electron from the inner shell while being absorbed in the reaction, resulting in an ionized atom. photoelectric
Type of radiation created by the electron transfer from one shell to another but occurring outside the x-ray target. secondary
The interaction of x-ray photons and matter that causes a change in direction of the photons. scattering
Name of electron that is ejected in a photoelectric absorption interaction. Photoelectron

    Customize    

Chapter 8 Image Production Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

    Customize    

X-ray Interactions Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

X-rays that interact with the whole atom Low energy
X-rays that interact with electrons Moderate energy
X-rays that interact with the Nuclei High energy
Straight out of... Compton
X-rays scattered back in the direction of the incident x-ray beam Backscatter
Produce the dark areas of a radiograph Radiolucent
Anatomical structures with high x-ray absorption characteristics Radiopaque
Differential absorption ___________ as the kVp is reduced increases
The product of absorption and scattering Attenuation
X-ray interactions with energy below approximately 10 keV Coherent
Quantity of matter per unit volume Mass density
Contrast used during UGI Barium
The ejection of a nuclear fragment is part of which interaction Photodisintegration
Which tissue x-ray interaction results in the production of annihilation radiation Pair production
_________ has an anatomic number of 13.8 Bone
Probability of a Compton even is ___________ proportional to the x-ray beam inversely
First name Bob, last name Grossman

    Customize    

Waves Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

occurs when a wave bounces back after striking an object reflection
the point on the axis of a mirror lens throughwhich all incident light rays are focused focal point
maximum distance the wave vibrates from the rest position amplitude
the distance between the adjacent crests or compressions in a series of waves wavelength
result of more moves overlapping interference
curved transparent object that forms an image by refracting light lense
any disturbance that transmits energy through matter or space wave
bending waves around a barrier or through an opening diffraction
image through which light does not actually pass virtualimage
image through which light passes realimage
lens that is thicker in the middle than the edges convexlense
speed at whcih a wave travels wavespeed
the distance between a mirror lense through which all incident parallel rays are focused focallength
mirror that is curved outward convexmirror
mirror that is curved inward concavemirror
mirror with a flat surface planemirror
matter through which visible light is easily transmitted transparent
matter that transmits light but also scatters the light as it passes through matter translucent
number of waves produced in a given amount of time frequency
wave that forms from a stationary pattern in which portions of the waveare at rest position standingwave

    Customize    

Ch. 8 Image Production Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Those 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
An expression of the ability of an image intensifier tube to convert x-ray energy into light energy and increase the brightness of the image in the process brightness gain
An interaction that occurs with low-energy x-rays, typically below the diagnostic range. 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 Compton scattering event compton electron
An expression of luminance at the output phosphor divided by the input exposure rate; its unit of measure is the candela per square meter per milliroentgen per second 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; also called remnant radiation exit radiation
The use of 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;represents the tube's conversion efficiency 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. It absorbs the remnant x-ray photon energy and emits light in response input phosphor
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 (made smaller) 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
In the diagnostic range, the total absorption of the incident photon by ejecting an inner shell electron of a tissue atom 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; also called exit 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 compton effect interaction secondary electron

    Customize    

Electricity Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

a flow of electric charge Current
a form of energy resulting from the existence of charged particles Electricity
a force that acts at a distance due to a magnetic field Magnetism
a hindrance to the flow of a charge resistance
an electromotive force or potential difference expressed in volts Voltage
the difference of electrical potential between two points Potential Difference
is a characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons Charge
a stable subatomic particle that is found in atoms with a charge of negative electricity Electron
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons Ion
A device used to transfer electrical energy from one circuit to another transformer
an electronic component that is designed to offer a desired amount of resistance to the flow Resistor
the complete path around which an electric current flows Circuit
a closed circuit in which the current divides into two or more paths before recombining to complete the circuit Parallel Circuit

    Customize    

Waves, Sound, and Light Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A wave that requires a medium through which to travel mechanical wave
A wave that moves the medium in a direction prependicular to the direction in which the wave travels transverse wave
A wave that moves a medium in a direction parallel to the direction in which the wave travels longitudinal wave
The highest part of a transverse wave crest
The part of a longitudinal wave where the particles of the medium are close together compression
The part of a longitudinal wave wheree the particles of the medium are far apart rarefaction
The number of complete waves that pass a givin point in a certian amount of time frequency
The lowest part of a transverse wave trough
The distance between two corresponding parts of a wave wavelenght
Electromagnetic waves with the longest wavelenghts and lowest frequencies radio waves
Radio waves with the shortest wavelenghts and the highest frequenies microwaves
Electromagnetic waves with the wavelenghts shorter than radio waves but longer than visible light infrared rays
Electromagnetic waves that are visible to the human eye visible light
Electromagnetic waves with the wavelenghts shorter tahn visible light ,but longer than X-rays Ultraviolet rays
Electromagnetic waves with wavelenghts shorter than ultraviolet rays, but longer than gamma rays X-rays
Electromagnetic waves with the shortestwavelenghts and highest frequencies gamma rays
Transverse wave that transfer electrical and magnetic energy electromagnetic wave
The change in frequency of awave as its source move in relation to an observer Doppler effect
The material through which a wave travels medium
An image that shows regions of different temperatures in different colors thermogram

    Customize    

Radiology Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

    Customize    

Waves and Electromagnetic Spectrum Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

    Customize    

Chemical Bonding Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Bonding which results from the electrical attraction between cations and anions Ionic Bonding
when two atoms share a pair of electrons Covalent Bonding
Covalent bond when electrons are not shared equally Polar covalent bond
the simplest structual unit of an element molecule
compound that consists of positive and negative ions Ionic compound
in a chemical compound the max amount of electrons is 8 in the highest energy level Octet rule
A charged group of covalently bonded atoms Polyatomic ions
bonding that results from the attraction between metal atoms and the surrounding sea of electrons Metallic bonding
ability of a substance to be hammered into thin sheets Melleability
ability of a substance to be drawn or pulled through a small opening to make a wire Ductiliy
simplest collection of atoms from which an ionic compound's formula can be established Formula Unit
covalent bond when one pair of electrons is shared between two atoms single bond
energy required to break a chemical bond and form isolated atoms bond energy
bonding that has an eneven distribution of charge polar

    Customize    

Electromagnetic Waves Word Search

Type
Word Search
Description

This word search contains the following answers:

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

    Customize