Question 1

Production of a static or still image is associated with

Accepted Answer

A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging 
A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging

Question 2

Brightness gain of the image intensifier is the

Accepted Answer

A) increase in the number of light intensities at the output phosphor 
B) increased brightness of the image because the output phosphor is much smaller than the input phosphor 
C) combination of minification gain and flux gain 
D) none of the above 
A) increase in the number of light intensities at the output phosphor 
B) increased brightness of the image because the output phosphor is much smaller than the input phosphor 
C) combination of minification gain and flux gain 
D) none of the above

Question 3

Increasing the thickness of the part being imaged results in

Accepted Answer

A) increased attenuation 
B) decreased attenuation 
C) no change in attenuation 
A) increased attenuation 
B) decreased attenuation 
C) no change in attenuation

Question 4

The device that receives the radiation after it exits the patient is the

Accepted Answer

A) remnant beam 
B) primary beam 
C) image receptor 
D) none of the above 
A) remnant beam 
B) primary beam 
C) image receptor 
D) none of the above

Question 5

Which of the following is an example of an image receptor?

Accepted Answer

A) Film-screen. 
B) Digital. 
C) Absorption. 
D) A and B. 
A) Film-screen. 
B) Digital. 
C) Absorption. 
D) A and B.

Question 6

Scattering in the diagnostic range is due to

Accepted Answer

A) photoelectric interactions 
B) absorption 
C) the Compton effect 
D) all of the above 
A) photoelectric interactions 
B) absorption 
C) the Compton effect 
D) all of the above

Question 7

In producing a radiographic image,which of the following occurs last?

Accepted Answer

A) Differential absorption. 
B) Quality and quantity of x-ray beam is set at console. 
C) Radiation interacts with image receptor. 
D) Radiation exits the patient with different energies. 
A) Differential absorption. 
B) Quality and quantity of x-ray beam is set at console. 
C) Radiation interacts with image receptor. 
D) Radiation exits the patient with different energies.

Question 8

The purpose of image intensification is to

Accepted Answer

A) make the fluoroscopy image brighter 
B) intensify the radiation used during fluoroscopy 
C) allow the fluoroscopic image to be visible 
D) none of the above 
A) make the fluoroscopy image brighter 
B) intensify the radiation used during fluoroscopy 
C) allow the fluoroscopic image to be visible 
D) none of the above

Question 9

In the image intensifier,the output phosphor

Accepted Answer

A) converts remnant radiation to light 
B) focuses the electrons 
C) converts light to electrons 
D) absorbs the energized electrons and produces a brighter image 
A) converts remnant radiation to light 
B) focuses the electrons 
C) converts light to electrons 
D) absorbs the energized electrons and produces a brighter image

Question 10

Chemical processing is used to create the manifest image in

Accepted Answer

A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging 
A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging

Question 11

The photoelectric interaction involves removal of

Accepted Answer

A) an inner-shell electron 
B) an outer-shell electron 
C) both inner- and outer-shell electrons 
D) no electrons 
A) an inner-shell electron 
B) an outer-shell electron 
C) both inner- and outer-shell electrons 
D) no electrons

Question 12

After the x-ray beam enters the patient and has many photoelectric interactions,the quantity of the beam increases.

Accepted Answer

A) True 
 B)False

Question 13

Imaging which of the following results in the most attenuation?

Accepted Answer

A) Bone. 
B) Air in lungs. 
C) Fat. 
D) Muscle. 
A) Bone. 
B) Air in lungs. 
C) Fat. 
D) Muscle.

Question 14

Before processing,the image receptor has a(n)__________ image.

Accepted Answer

A) latent 
B) visible 
C) invisible 
D) A and B 
E) A and C 
A) latent 
B) visible 
C) invisible 
D) A and B 
E) A and C

Question 15

Intensifying screens are associated with

Accepted Answer

A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging 
A) film-screen imaging 
B) digital imaging 
C) film-screen and digital imaging

Question 16

Image intensification is part of

Accepted Answer

A) a film-screen imaging system 
B) a digital imaging system 
C) a fluoroscopic imaging system 
D) all of the above 
A) a film-screen imaging system 
B) a digital imaging system 
C) a fluoroscopic imaging system 
D) all of the above

Question 17

It is not possible for a photoelectric interaction to occur between a 50-keV x-ray photon and an atom with inner-shell electrons that have a binding energy of 60 keV or more.

Accepted Answer

A) True 
 B)False

Question 18

The various shades of gray or brightness created on the radiographic image

Accepted Answer

A) are present because of differential absorption 
B) makes the anatomic structures visible 
C) represent the radiation that was absorbed or transmitted 
D) all of the above 
A) are present because of differential absorption 
B) makes the anatomic structures visible 
C) represent the radiation that was absorbed or transmitted 
D) all of the above

Question 19

The probability of a Compton interaction occurring depends on

Accepted Answer

A) the type of tissue being imaged 
B) the binding energy of the atom's inner-shell electron 
C) the energy of the incoming x-ray photon 
D) all of the above 
A) the type of tissue being imaged 
B) the binding energy of the atom's inner-shell electron 
C) the energy of the incoming x-ray photon 
D) all of the above

Question 20

Tissues with higher atomic numbers appear __________ on a digital image.

Accepted Answer

A) darker 
B) lighter 
C) brighter 
D) less bright 
A) darker 
B) lighter 
C) brighter 
D) less bright

Production of a static or still image is associated with

Brightness gain of the image intensifier is the

Increasing the thickness of the part being imaged results in

The device that receives the radiation after it exits the patient is the

Which of the following is an example of an image receptor?

Scattering in the diagnostic range is due to

In producing a radiographic image,which of the following occurs last?

The purpose of image intensification is to

In the image intensifier,the output phosphor

Chemical processing is used to create the manifest image in

The photoelectric interaction involves removal of

After the x-ray beam enters the patient and has many photoelectric interactions,the quantity of the beam increases.

Imaging which of the following results in the most attenuation?

Before processing,the image receptor has a(n)__________ image.

Intensifying screens are associated with

Image intensification is part of

It is not possible for a photoelectric interaction to occur between a 50-keV x-ray photon and an atom with inner-shell electrons that have a binding energy of 60 keV or more.

The various shades of gray or brightness created on the radiographic image

The probability of a Compton interaction occurring depends on

Tissues with higher atomic numbers appear __________ on a digital image.

Introduction to the Imaging Sciences

Structure of the Atom

Electromagnetic and Particulate Radiation

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Quality and Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Exposure Technique Selection

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters

Exam 8: Image Production

Production of a static or still image is associated with

Brightness gain of the image intensifier is the

Increasing the thickness of the part being imaged results in

The device that receives the radiation after it exits the patient is the

Which of the following is an example of an image receptor?

Scattering in the diagnostic range is due to

In producing a radiographic image,which of the following occurs last?

The purpose of image intensification is to

In the image intensifier,the output phosphor

Chemical processing is used to create the manifest image in

The photoelectric interaction involves removal of

After the x-ray beam enters the patient and has many photoelectric interactions,the quantity of the beam increases.

Imaging which of the following results in the most attenuation?

Before processing,the image receptor has a(n)__________ image.

Intensifying screens are associated with

Image intensification is part of

It is not possible for a photoelectric interaction to occur between a 50-keV x-ray photon and an atom with inner-shell electrons that have a binding energy of 60 keV or more.

The various shades of gray or brightness created on the radiographic image

The probability of a Compton interaction occurring depends on

Tissues with higher atomic numbers appear __________ on a digital image.

Introduction to the Imaging Sciences

Structure of the Atom

Electromagnetic and Particulate Radiation

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Quality and Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Exposure Technique Selection

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters