Chapter 1 and 2 General Radiology Terms and Definitions

The two types of distortion are:

The repeating sinusoidal wave forms created by the changes in Electromagnetic Energy

What are the five components of the Primary X-Ray Beam?

The object that holds the film and is lined by intensifying screens is known as?

Name the 4 Pioneers in the development of Radiography

The prime factor that controls the rate at which x-rays are produced is _______.

There are many types of IR's. The placement is based on what factor?

The _______image is obtained depending on the type of IR.

What are the four factors of image quality?

The smallest unit of EM energy

_____ is created when a portion of an X-Ray photons energy is absorbed.

The higher the _____ the more ________ and ______ the image.

The shielded booth from which the Radiologic Technologist inputs the exposure factors:

What type of indicators are used to determine if an image has been over exposed or under exposed?

What are the two types of X-Ray Tube Support?

Contrast is best evaluated when _______ is optimum.

The higher the _____ the larger the focal-spot size.

A device used to indicate the location of the radiation field and to control its size is referred to as:

During the Radiographic procedure, what are the 4 steps the radiographer follows?

When you ______ OID you decrease image detail.

What are the four basic requirements for the production of X-rays?

The lower the _____ the higher the contrast and fewer shades of gray.

X-rays were discovered in 1895 in _______.

The two basic types of film-less systems are:

______ is defined as the difference in the OD of adjacent structures within an image.

What are the four prime exposure factors?

In film/screen radiography density is controlled by_____; the greater the ____ the darker the image.

The specialized unit that moves in several directions and contains a movable IR tray is described as ________

Image Quality is determined by:

Name the discoverer of X-Rays

The prime factor that controls the wavelength of the x-ray beam is known as _______.

The four primary factors of radiographic exposure are exposure time, mA, kVp, and _______.

Most machines have _____ settings from 50 to 500.

Distortion of an x-ray image can be described as:

The ______ is attached to the tube housing, controls size of radiation field, and aids in alignment to IR:

When you _____ SID, you increase image detail.

The image intensifier helps the radiologist view images in _________.

Which of the following factors is used to control image contrast?

The inventor of the hot cathode x-ray tube was _____.

There is a negative _____ end and a positive _____ of an X-Ray Tube.

This affects the x-ray beam intensity as well as the beam divergence (Field Size)

This is the practice of providing anatomical images in motion:

_______ is a measure of how long the exposure will continue.

The purpose of the X-Ray tube housing:

This value is the only way to determine overexposure:

________ produce light in response to the x-ray and greatly reduce the patients dose.

The primary exposure factor to control image contrast is:

The mAs value of exposure is varied to provide control of _______.

_____ provides the kinetic energy each electron has when it collides with the target.

These devices prevent scatter radiation from reaching the IR:

Most machines are equipped with _______.

Which of the following is NOT a basic requirement for the production of X-Rays?

Optical Density (OD) is defined as:

X-Ray Photons pass through the patient in a variety of interactions based on:

Where and When were X-rays Discovered?

All of the following are Characteristics of Radiation except:

What is the acronym used for the storage archives of patient images?

X-Rays have ____ and _____ properties:

The transformer, connected to the x-ray tube via cables, provides what?

Bundles of Photons are known as:

When was the first fatality from X-Ray exposure and Who Died as a result?

This states that the intensity of the radiation is inversely proportional to the square of the distance.

The ______ is a device that holds the IR/Bucky in a vertical position:

The product of mA and exposure time in seconds is:

The majority of radiography educations programs are based in/on ________.

This picture best describes:

The higher the _____, the lower the contrast. (More shades of gray)

An X-ray beam that has been attenuated by matter is called what?

This picture best describes the difference in

Obtaining Patient History, Completing Necessary Paperwork, Assisting the Patient with disrobing and gowning all describe