Question 1

During conventional fluoroscopy,the x-ray beam stays on for an extended time.

Accepted Answer

A) True 
 B)False  True

Question 2

Less than _________ of the primary beam entering the part reaches the image receptor.

Accepted Answer

A) 1% 
B) 5% 
C) 18% 
D) 99% 
A) 1% 
B) 5% 
C) 18% 
D) 99% B

Question 3

Complete absorption of the diagnostic range x-ray photon is the interaction known as

Accepted Answer

A) Compton scattering 
B) photoelectric interaction 
C) classical scattering 
D) photodisintegration 
A) Compton scattering 
B) photoelectric interaction 
C) classical scattering 
D) photodisintegration B

Question 4

The radiographer has no control over the radiographic visibility of anatomic structures because the tissue does not change.

Accepted Answer

A) True 
 B)False

Question 5

Attenuation of the x-ray beam in the diagnostic range is due to

Accepted Answer

A) absorption 
B) scattering 
C) transmission 
D) A and B 
E) B and C 
A) absorption 
B) scattering 
C) transmission 
D) A and B 
E) B and C

Question 6

After processing,there is a __________ image.

Accepted Answer

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

Question 7

Scatter radiation that reaches the image receptor creates

Accepted Answer

A) unwanted density 
B) useful information 
C) fog 
D) A and B 
E) A and C 
A) unwanted density 
B) useful information 
C) fog 
D) A and B 
E) A and C

Question 8

Place the following film-screen imaging steps in the correct order,from beginning to end:
I remnant radiation is absorbed by intensifying screens
II chemical processing creates a permanent image
III light from intensifying screens expose film emulsion
IV remnant radiation reaches the cassette

Accepted Answer

A) I,II,IV,III 
B) IV,III,I,II 
C) III,II,IV,I 
D) IV,I,III,II 
A) I,II,IV,III 
B) IV,III,I,II 
C) III,II,IV,I 
D) IV,I,III,II

Question 9

Matter per unit volume defines

Accepted Answer

A) tissue thickness 
B) tissue density 
C) tissue composition 
D) tissue attenuation 
A) tissue thickness 
B) tissue density 
C) tissue composition 
D) tissue attenuation

Question 10

The latent image that is formed on the image receptor is the

Accepted Answer

A) visible image 
B) invisible image 
C) A and B 
D) none of the above 
A) visible image 
B) invisible image 
C) A and B 
D) none of the above

Question 11

Transmission refers to

Accepted Answer

A) all x-rays in the beam before entering the patient 
B) x-rays leaving the patient that did not interact with atoms 
C) all x-rays leaving the patient 
D) the process of sending the x-ray beam through the patient 
A) all x-rays in the beam before entering the patient 
B) x-rays leaving the patient that did not interact with atoms 
C) all x-rays leaving the patient 
D) the process of sending the x-ray beam through the patient

Question 12

In the image intensifier,the photocathode

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 13

Imaging a thicker part results in

Accepted Answer

A) more x-ray photons reaching the image receptor 
B) fewer x-ray photons reaching the image receptor 
C) no change in the number of photons reaching the image receptor 
D) none of the above 
A) more x-ray photons reaching the image receptor 
B) fewer x-ray photons reaching the image receptor 
C) no change in the number of photons reaching the image receptor 
D) none of the above

Question 14

Permanent radiographic images of the specific areas seen during the fluoroscopic procedures can be recorded

Accepted Answer

A) on film 
B) on the computer 
C) A and B 
D) neither A nor B 
A) on film 
B) on the computer 
C) A and B 
D) neither A nor B

Question 15

Minification 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 16

Imaging which of the following results in the least attenuation?

Accepted Answer

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

Question 17

Reduction in the energy or amount of radiation in the primary beam is attenuation.

Accepted Answer

A) True 
 B)False

Question 18

Tissue that is more dense 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 19

Photoelectric interactions occur only at the lower end of the diagnostic range of photon energies.

Accepted Answer

A) True 
 B)False

Question 20

Decreased attenuation results in

Accepted Answer

A) more x-ray photons reaching the image receptor 
B) fewer x-ray photons reaching the image receptor 
C) no change in the number of photons reaching the image receptor 
D) none of the above 
A) more x-ray photons reaching the image receptor 
B) fewer x-ray photons reaching the image receptor 
C) no change in the number of photons reaching the image receptor 
D) none of the above

During conventional fluoroscopy,the x-ray beam stays on for an extended time.

Less than _________ of the primary beam entering the part reaches the image receptor.

Complete absorption of the diagnostic range x-ray photon is the interaction known as

The radiographer has no control over the radiographic visibility of anatomic structures because the tissue does not change.

Attenuation of the x-ray beam in the diagnostic range is due to

After processing,there is a __________ image.

Scatter radiation that reaches the image receptor creates

Place the following film-screen imaging steps in the correct order,from beginning to end: I remnant radiation is absorbed by intensifying screens II chemical processing creates a permanent image III light from intensifying screens expose film emulsion IV remnant radiation reaches the cassette

Matter per unit volume defines

The latent image that is formed on the image receptor is the

Transmission refers to

In the image intensifier,the photocathode

Imaging a thicker part results in

Permanent radiographic images of the specific areas seen during the fluoroscopic procedures can be recorded

Minification gain of the image intensifier is the

Imaging which of the following results in the least attenuation?

Reduction in the energy or amount of radiation in the primary beam is attenuation.

Tissue that is more dense results in

Photoelectric interactions occur only at the lower end of the diagnostic range of photon energies.

Decreased attenuation results in

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

During conventional fluoroscopy,the x-ray beam stays on for an extended time.

Less than _________ of the primary beam entering the part reaches the image receptor.

Complete absorption of the diagnostic range x-ray photon is the interaction known as

The radiographer has no control over the radiographic visibility of anatomic structures because the tissue does not change.

Attenuation of the x-ray beam in the diagnostic range is due to

After processing,there is a __________ image.

Scatter radiation that reaches the image receptor creates

Place the following film-screen imaging steps in the correct order,from beginning to end: I remnant radiation is absorbed by intensifying screens II chemical processing creates a permanent image III light from intensifying screens expose film emulsion IV remnant radiation reaches the cassette

Matter per unit volume defines

The latent image that is formed on the image receptor is the

Transmission refers to

In the image intensifier,the photocathode

Imaging a thicker part results in

Permanent radiographic images of the specific areas seen during the fluoroscopic procedures can be recorded

Minification gain of the image intensifier is the

Imaging which of the following results in the least attenuation?

Reduction in the energy or amount of radiation in the primary beam is attenuation.

Tissue that is more dense results in

Photoelectric interactions occur only at the lower end of the diagnostic range of photon energies.

Decreased attenuation results in

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