Filters
Question type

Study Flashcards

Spatial resolution is improved with:


A) Increased pixel size
B) Increased pixel pitch
C) Increased pixel density
D) Increased pixel bit depth

Correct Answer

verifed

verified

The photoelectric effect involves the removal (ejection) of an electron.This process of removing an electron from an atom is known as:


A) Attenuation
B) Transmission
C) Ionization
D) Differential absorption

Correct Answer

verifed

verified

A larger bit depth:


A) Results in increased spatial resolution
B) Reduces the number of shades of gray
C) Increases the number of shades of gray
D) Affects both digital and film-screen image quality

Correct Answer

verifed

verified

The abdomen has low subject contrast.

Correct Answer

verifed

verified

_____ results in the process of image formation, whereby the x-ray beam interacts with the anatomic tissue, and a portion of the beam strikes the image receptor.


A) Transference
B) Differential absorption
C) Molecular modeling
D) Compensating filtration

Correct Answer

verifed

verified

The overall blackness on the processed film image is:


A) Density
B) Image contrast
C) Brightness
D) Spatial resolution

Correct Answer

verifed

verified

Unwanted exposure to the IR due to scatter radiation is called:


A) Latent
B) Manifest
C) Fog
D) Cloudiness

Correct Answer

verifed

verified

With film-screen imaging, anatomic tissues, such as bone, that absorb most of the radiation result in that area of the image being:


A) More blurred
B) Sharper
C) Darker (more density)
D) Lighter (less density)

Correct Answer

verifed

verified

The highest quality radiographic image has no unsharpness.

Correct Answer

verifed

verified

Interactions of high energy x-rays (energies beyond the diagnostic range) with tissue include:


A) Pair production
B) Coherent scattering
C) Photodisintegration
D) A and C

Correct Answer

verifed

verified

As compared to digital imaging, film-screen imaging has:


A) A wider dynamic range
B) A narrower dynamic range
C) The same dynamic range
D) No dynamic range

Correct Answer

verifed

verified

An area of increased brightness on a display monitor will show decreased density on a film image.

Correct Answer

verifed

verified

The photoelectric effect is dependent on both the energy of the x-ray photon and the composition of the anatomic tissue.

Correct Answer

verifed

verified

Beam attenuation is increased with a higher-energy x-ray beam.

Correct Answer

verifed

verified

Bit depth is determined by the matrix size.

Correct Answer

verifed

verified

The _____ image occurs first on the image receptor, and the _____ image occurs following proper image development/processing.


A) Manifest, latent
B) Invisible, latent
C) Visible, manifest
D) Latent, manifest

Correct Answer

verifed

verified

Brightness/density is a quality related to the _____________ of the radiographic image.


A) Visibility of structures
B) Accuracy of structural lines
C) Spatial resolution
D) B and C

Correct Answer

verifed

verified

Showing 41 - 57 of 57

Related Exams

Show Answer