Type
Crossword
Description

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

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

Ch. 8 Image Production Crossword

Type
Crossword
Description

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

Radiology Crossword

Type
Crossword
Description

The energy or penetrating ability of the x-ray beam. Quality
The number of x-ray photons in the beam. Quantity
The product of the quantity and quality per unit of area per unit of time of exposure. Intensity
Regulates the temperature of the cathode filament. Milliamperage
The interval of time during which x-rays are produced. Exposure time
The overall darkness or blackness of an image. Density
How sharply dark and light areas differentiated or separated on an image. Contrast
Radiographic image that appears larger than the actual size of the object it represents. Magnification
A radiographic image that varies in the true size and shape of the object being radiographed. Distortion
The capability of the receptor to reproduce the distinct outlines of an object. Sharpness
Peak voltage applied to the x-ray tube that determines the highest energy of x-ray photon. kVp

Radiography & CT (2) Crossword

Type
Crossword
Description

Package of X-ray energy Photon
The distance between two peaks of a wave Wavelength
The number of wavelenghts passing a set point per second Frequency
The negative part of the X-ray tube Cathode
The name of the effect that occurs when an X-ray photon interacts with a free electron Compton
A property of X-rays that is one of the main reasons for radiation protection Ionisation
When any electromagnetic radiation is emitted, the intensity of the radiation will decrease the further away it travels from the source. What is this called? Inverse square law
Name given to radiation that travles in any direction. Scatter
The property of X-rays that means they can be stopped or slowed down as they pass through the patient Absorption
= absorption + scatter Attenuation
Term used to describe a very dense tissue, appearing white on radiographs Radiopaque
Describes the amount of blackening seen on a radiographic film Density
Refers to sharpness of image and clarity of structures Definition
The difference in density on a radigraph Contrast

Medical Terminology Puzzle Crossword

Type
Crossword
Description

one who studies x-rays radiology
process of recording dry xerography
to shine x-rays rontgenolucent
x-rays that are obscured radiopaque
one who records x-rays radiographer
tx with x-rays radiotherapy
what does the E in PET stand for Emission
what does the R in MRI stand for resonance
ECHO echocardiography
what does the C in CT stand for computed
the rate of absorption of a radionuclide into an organ or tisse uptake
process of recording x-ray of the spine myeloradiography
tumor of the vessels angioma
specialist of x-rays radiologist
pertaining to same side isolateral
record of cut tomogram
what does the therapeutic strategy ASA stand for aspirin
what is the abbreviation for posterior-anterior PA
according to S/S a swollen ankle is symptom
according to S/S bruising is a sign

Rad Tech Week 2017 Word Scramble

Type
Word Scramble
Description

barium
chest xray
bone density
echocardiogram
nuclear medicine
radiation
ultrasound
fluoroscopy
roentgen
technologist
fracture
radiograph
computed tomography
radiopaque
patient care
magnetic resonance
imaging
positron emission tomography
radiolucent
mammography
cathode ray tube
bone
radiologist
bucky
scan

X-RAY TUBES Crossword

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

Chapter 6 X-Ray Production Crossword

Type
Crossword
Description

The penetrating power of the x-ray beam quality
The total # of x-ray photons in the primary beam quantity
Interaction between nucleus of target atom where electron slows down and changes direction brems
Interaction between filament electron and orbital electron of target atom, which may be removed from orbit creating a vacancy characteristic
Effect caused by outer shell electrons filling inner shell vacancies cascade
Graph of emission spectrum representing the range of energy of brems x-ray production continuous
Graph of emission spectrum representing energy levels of characteristic x-ray production discrete
Necessary thickness of material to reduce beam energy to 1/2 its original intensity, measures quality HVL
Intensity of beam is inversely proportional to the square of distance from the source (an equation) inverse square law
Beam as it is when exiting the tube and exposing the patient primary
Beam remaining after interaction w/ the patient and exiting to expose the IR remnant
Result of 99% of interactions in the anode target heat
Increasing this will increase quantity and quality of x-ray beam kVp
Increasing this increases quantity of beam but has no effect on quality mA

Rad Tech Crossword

Type
Crossword
Description

The uptake of energy from radiation by the tissue or medium through which it passes. Absorption
A naturally occurring metal; a contrast material. Barium
A unidirectional emission of electromagnetic radiation or particles. Beam
A method of examining blood vessels utilizing X-rays and injection of iodine-rich contrast material. Computed Tomography
Radiation absorbed by person’s body. Dose
A measure of ionization in air caused by X-rays or gamma rays only. Exposure
A unit of measurement for absorbed dose. Gray
The energy of an explosion that is equivalent to an explosion of 1,000 tons of TNT. Kiloton
A diagnostic radiologic modality, in which the nuclei of the hydrogen atoms in a patient are aligned in a strong, uniform magnetic field, absorb energy from tuned radio pulses, then emit radio signals. Magnetic Resonance
A special kind of X-ray technique used to screen for breast cancer. Mammography
A basic unit of absorbed radiation dose. Rad
Radiant energy from waves or subatomic particles. Radiation
A physician trained in the diagnostic and/or therapeutic use of X-rays and radionuclides, radiation physics, and biology. Radiologist
The international unit of exposure dose for X-rays or gamma rays. Roentgen
The process of obtaining an image for diagnostic examination using X-rays. Radiography
The personnel working in any discipline or specialty area of radiologic technology. Rad Tech
Having something that will absorb radiation between you and the source of the radiation. Shielding
Beams that pass through the body to produce images of anatomical structures. Xray

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