Duplicate of RAD 102-2

Acts as a neutral lucent suspension medium for the silver halide crystals.

Which of the following are Exposure Selection Factors?

What word looks the same backwards and upside down?

An impurity is added, gold-silver sulfide, to form sensitivity specks, which serve to attract

An increase in mAs eliminates ______________.

Warped, cracked or twisted cassette; Loose hinges or springs latches.

Silver halide size and shape are principle determinates of ________ __________.

In most facilities, cleaning is conducted on the crossover racks ________.

The cost per room for DR systems is approximately 3 to 4 times less than for CR systems.

Static discharge artifacts are a danger at _____ humidity.

Which of the following is a component of CR?

Decreasing matrix size decreases number of pixels, thereby decreasing the quality of the image

Factor that effects the efficiency of silver recovery.

Component of radiographic film

Bans the replacement of toxic substances in public waterways and sewer systems

Darkroom functions

Can arise from technologist's error in patient positioning, collimation & histogram selection

Which of the following is an advantage of CR?

Closer the grid frequency is to the laser frequency, the ___ likelihood of frequency harmonics.

"Brothers and sisters I have none but this man's father is my father's son. Who is the man?"

Improper grid orientation results in __________________.

Provides regulated inflow and outflow of circulating air.

What has hands but can not clap?

How much dirt is there in a hole that measures two feet by three feet by four feet?

Film processing steps

Direct conversion DR systems tend to have the highest DQE values

Store boxes of film on edge rather than laying flat, they will be less likely to suffer from

Can be thought of as the margin of error in technical factors.

Occurs if the phosphor continues to emit light after stimulation.

Three types of rollers

Storage of film should be sequenced so that the ________ film is used first.

Imagine you’re in a room filling with water. There are no windows or doors. How do you get out?

Beth’s mom has 3 daughters. 1 is Lara, the other 1 is Sara. What's the name of the 3rd one?

Examples of exposure artifacts.

Department repeat rates should not exceed _____.

Random background information that is detected and measured as the signal-to-noise ratio.

Photons absorbed by coating material (Amorphous Selenium) & converted into an electrical signal

I am an odd number. Take away one letter and I become even. What number am I?

What's the largest possible number you can write using only 2 numbers and no math symbols?

Window level controls _______.

Emission of light as a direct result of some outside excitation or stimulation.

Older generation CR relied on the tech to select correct anatomical menu prior to processing

As film exits the top of the rack assembly, it is guided to the adjacent rack through the

Removes any excess chemicals from the previous processing steps.

Active ingredient of the emulsion, cubic lattice (matrix) is made up of ________________.

Justification for silver recovery system.

Special application film designed to provide exact image of the original.

Uses a photostimulable storage phosphor imaging plate to form a latent projection image..

Appears on a radiograph as speckled (random) background information.

If grid frequency is parallel to the laser scan frequency, it will result in a ______ _____.

Intensifying screens should be cleaned regularly with a ___________________.

How many seconds are there in a year?

Humidity must be maintained between __________.

Exposure sensitivity of the imaging plate ranges from _____ up to maximum of _____.

Which of the following is an advantage of revolving doors

Designed for minimum attenuation.

Benefits of digitizing old films

Wash water should be maintained at ____ below the developer temperature.

Primary purpose of radiographic processing is to deposit enough _____ ____ ____ at the centers.

Used fixer and wash water contain silver and are subject to

Is it legal for a man to marry his widow's sister?

Serves as a mechanical support for the active layer.

Digital radiography (DR) is more efficient in __________________ than screen film radiography.

When using a PACS system, once images are obtained, they need to be transmitted over a network

Layer closest to the radiographic film that helps eliminate the build up of static electricity.

Fuji uses ____________ related to amount of amplification required by the tube to adjust image

Sets a final hardening to the emulsion and seals the supercoat.

Advantage of CR and DR

Greater matrix size, the better the resolution because larger matrix provides smaller pixels

Comprehensive set of activities designed to monitor & maintain systems or equipment

X-ray photons are converted to light, then the light photons are converted to electrical signal

Used to amplify the incoming x-ray beam to produce large amounts of light photons.

Defined as light produced by a phosphor (active layer) when struck by light or x-ray photons

2 moms & 2 daughters went to eat, each ate 1 taco, only 3 tacos were eaten How's this possible?

X-ray generator, tube, and reader testing to establish accuracy and reproducibility

Caused by an insufficient quantity of photons striking the intensifying screen.

Primary method for adjusting contrast with digital imaging systems is through ___________.

Amount of density (degree of blackening) a film produces for a given amount of exposure.

What optical component scans an extracted IP?

Picture archival and communication system, networked group of computers, servers, and archives.

Advantages of CR/PACS System

Metallic replacement filters through steel wool

PACS allow digital images to be sent from the acquisition point to a radiologist for diagnoses

Three types of maintenance

Direct acquisition and Indirect acquisition are two types of ___________________.

Creates a portable, lightproof case for film to utilize the intensifying screen.

What months have 28 days?

Developing temperature is usually maintained at ____.

Occurs when visible light is emitted only when the phosphor is stimulated.

Uses a clearing agent to remove remaining silver halide from emulsion.

Any irregularity that is not caused by the proper shadowing of tissue by the primary x-ray beam

Four parts of PACS

20 pigeons sat on a tree. A man shot 1 pigeon with his gun. How many were left on the tree?

What is the 2nd step to retrieve a latent image from an exposed IP plate?

Time the fixer remains within the recovery device. Longer _____ ____, greater efficiency

Ionizing radiation creates an image artifact by _____________ film fog.

Practitioners have the opportunity to reduce patient dose by ___ to ___, depending on the exam

What asks no questions but receives lots of answers?

Film must be protected from accidental exposure to ________.

Chemistry not squeezed out properly from the film that runs up the edge of the film.

Drive mechanism moves IP constantly, yet slowly along long axis of IP is an example of