Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

Radiographic misrepresentation of the size or shape of the anatomic structure being imaged is:

Accepted Answer

A)  magnification. 
B)  elongation. 
C)  foreshortening. 
D)  all of the above.

Question 3

The smallest object that can be detected in an image is the:

Accepted Answer

A)  temporal resolution. 
B)  spatial resolution. 
C)  contrast resolution. 
D)  none of the above.

Question 4

The interaction between x-ray photons and tissue that results in production of a secondary x-ray photon is the:

Accepted Answer

A)  coherent interaction. 
B)  Compton interaction. 
C)  photoelectric interaction. 
D)  characteristic interaction.

Question 5

A fewer amount of photons reaching the IR has what effect on the formation of the image?

Accepted Answer

A)  The visibility of quantum noise is increased on the digital image. 
B)  The visibility of quantum noise is decreased on the digital image. 
C)  The visibility of quantum mottle is increased on the digital image. 
D)  The visibility of quantum mottle is decreased on the digital image.

Question 6

The highest quality radiographic image has no unsharpness.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A)  attenuation. 
B)  transmission. 
C)  ionization. 
D)  differential absorption.

Question 8

Magnification always results in reduced recorded detail.

Accepted Answer

A) True 
 B)False

Question 9

Subject contrast is dependent on the:

Accepted Answer

A)  energy of the x-ray beam. 
B)  quantity of radiation used. 
C)  absorption characteristics of the tissue being imaged. 
D)  A and B. 
E)  A and C.

Question 10

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

Accepted Answer

A)  pair production. 
B)  coherent scattering. 
C)  photodisintegration. 
D)  A and B. 
E)  A and C.

Question 11

The x-ray photon that is scattered as a result of the Compton effect cannot:

Accepted Answer

A)  be absorbed in the tissue, resulting in additional patient exposure. 
B)  strike the image receptor and provide useful anatomic information. 
C)  strike the image receptor without providing useful information. 
D)  exit the patient, exposing persons near the patient.

Question 12

If scattered photons are absorbed within the anatomic tissue,they:

Accepted Answer

A)  contribute to the radiation exposure of the patient. 
B)  do not contribute any useful information about the anatomic part of interest. 
C)  contribute useful information about the anatomic part of interest. 
D)  A and B. 
E)  A and C.

Question 13

Recorded detail is the term commonly used in digital imaging to describe the accuracy of the structural lines that make up the image.

Accepted Answer

A) True 
 B)False

Question 14

An image that has excessive brightness or insufficient density is considered:

Accepted Answer

A)  diagnostic. 
B)  unacceptable. 
C)  acceptable. 
D)  excellent.

Question 15

The overall blackness on the processed film image is:

Accepted Answer

A)  density. 
B)  image contrast. 
C)  brightness. 
D)  spatial resolution.

Question 16

At higher kilovoltage,_____ photon interactions occur,resulting in _____ transmission.

Accepted Answer

A)  more, increased 
B)  more, less 
C)  fewer, increased 
D)  fewer, less

Question 17

An increase in the amount of unsharpness recorded on the image has what effect on the visibility of anatomic structures?

Accepted Answer

A)  Increased contrast of anatomic structures 
B)  Decreased contrast of anatomic structures 
C)  Increased overall visibility 
D)  Decreased overall visibility 
E)  A and C
F) B and D

Question 18

The device that receives the radiation leaving the patient is the:

Accepted Answer

A)  central ray. 
B)  differential absorption. 
C)  image receptor. 
D)  compensating filtration.

Question 19

The primary factor that affects film-screen density is the quantity of radiation reaching the IR.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A)  more blurred. 
B)  sharper. 
C)  darker (more density). 
D)  lighter (less density).

Exam 3: Image Formation and Radiographic Quality

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

Radiographic misrepresentation of the size or shape of the anatomic structure being imaged is:

The smallest object that can be detected in an image is the:

The interaction between x-ray photons and tissue that results in production of a secondary x-ray photon is the:

A fewer amount of photons reaching the IR has what effect on the formation of the image?

The highest quality radiographic image has no unsharpness.

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

Magnification always results in reduced recorded detail.

Subject contrast is dependent on the:

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

The x-ray photon that is scattered as a result of the Compton effect cannot:

If scattered photons are absorbed within the anatomic tissue,they:

Recorded detail is the term commonly used in digital imaging to describe the accuracy of the structural lines that make up the image.

An image that has excessive brightness or insufficient density is considered:

The overall blackness on the processed film image is:

At higher kilovoltage,_ photon interactions occur,resulting in _ transmission.

An increase in the amount of unsharpness recorded on the image has what effect on the visibility of anatomic structures?

The device that receives the radiation leaving the patient is the:

The primary factor that affects film-screen density is the quantity of radiation reaching the IR.

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