Exam 7: Radiographic Imaging

When radiographic images of patients are created,many exposure variables come into play to produce optimum image quality.Any change in the radiographic image impression should be the result of

The device that intercepts the exit radiation from a patient and creates the radiographic image is the

The invisible,unprocessed data on an image detector immediately after x-ray exposure form the _____ image.

In a film-based imaging department,automatic processors are an indispensable part of departmental operations.What is NOT true regarding automatic film processing?

An effective method to overcome superimposition of patient anatomy on a radiograph is to

Bowel gas in the abdomen is an example of a _____ material,with regard to the x-ray beam.

An effective measure of actual exposure compared to a target exposure value is the use of a(n)

The production of x-radiation that occurs in an x-ray tube requires the movement of negatively charged particles traveling from one side of the tube to the other.This movement of charges must occur in

The total quantity of x-ray photons produced during an exposure is determined by the

All of the following are related EXCEPT

The darkness of a film image is referred to as radiographic density.Given the three sets of mAs calculations that follow,all three should yield the same degree of radiographic density. Exposure 1: 200 mA ´ 0.05 ms Exposure 2: 100 mA ´ 0.10 ms Exposure 3: 400 mA ´ 0.025 ms This is known as

The x-ray tube component that stops the stream of electrons and produces the x-ray beam is called the

There are four primary image quality factors.They are

A direct capture digital radiography detector uses _____ as the receptor material.

As you perform a portable chest radiograph,the optimal SID of 40 inches is unattainable because of orthopedic supports over the patient.It is necessary for you to shorten the SID to 34 inches.A professional radiographer should do which of the following?

Of all of the energy traveling through the x-ray tube during a radiographic exposure,the largest percentage of this electrical energy is converted to

The dynamic display of a patient's anatomy using x-radiation is termed

All of the following are true of computed radiography (CR)EXCEPT

As you process a radiographic image of the abdomen of a small child,you notice a small ringlike object on the image.It appears this object is in the patient's stomach,which is consistent with the examination history.The ring shows on the x-ray image because of its metallic density.This is the result of

The loss of radiographic image resolution is often referred to as unsharpness.All of the following contribute to total image unsharpness EXCEPT the