Question 1

An electron cloud surrounding a hot cathode is referred to as a(n):

Accepted Answer

A)  focusing cup. 
B)  ampere. 
C)  space charge. 
D)  filament. 
A)  focusing cup. 
B)  ampere. 
C)  space charge. 
D)  filament.

Question 2

Which of the following devices is NOT employed to reduce the hazards of radiation exposure to the patient?

Accepted Answer

A)  Gonad shield 
B)  Bucky 
C)  Intensifying screen 
D)  Collimator 
A)  Gonad shield 
B)  Bucky 
C)  Intensifying screen 
D)  Collimator

Question 3

Which of the following substances is most readily penetrated by x-rays?

Accepted Answer

A)  Water 
B)  Air 
C)  Bone 
D)  Fat 
A)  Water 
B)  Air 
C)  Bone 
D)  Fat

Question 4

The purpose of rotating the x-ray tube target is to:

Accepted Answer

A)  create a space charge. 
B)  remove long-wavelength photons from the x-ray beam. 
C)  focus the electron stream on a small target area. 
D)  increase the heat capacity of the anode. 
A)  create a space charge. 
B)  remove long-wavelength photons from the x-ray beam. 
C)  focus the electron stream on a small target area. 
D)  increase the heat capacity of the anode.

Question 5

An imaginary photon that is emitted from the center of the focal spot,perpendicular to the long axis of the x-ray tube,is called the:

Accepted Answer

A)  electron stream. 
B)  x-ray beam. 
C)  central ray. 
D)  radiation field. 
A)  electron stream. 
B)  x-ray beam. 
C)  central ray. 
D)  radiation field.

Question 6

Of the following types of electromagnetic energy,which has the shortest wavelength?

Accepted Answer

A)  Radio waves 
B)  X-rays 
C)  Visible light 
D)  Ultraviolet light 
A)  Radio waves 
B)  X-rays 
C)  Visible light 
D)  Ultraviolet light

Question 7

An increase in object/image-receptor distance (OID)will result in which of the following?
1)Increased magnification
2)Decreased image detail
3)Increased image detail

Accepted Answer

A)  1 only 
B)  2 only 
C)  1 and 2 
D)  1 and 3 
A)  1 only 
B)  2 only 
C)  1 and 2 
D)  1 and 3

Question 8

When the source-image distance (SID)is doubled,the intensity of the radiation in the radiation field will be:

Accepted Answer

A)  doubled. 
B)  halved. 
C)  reduced by a factor of 4. 
D)  quadrupled. 
A)  doubled. 
B)  halved. 
C)  reduced by a factor of 4. 
D)  quadrupled.

Question 9

The majority of radiography education programs today are based in:

Accepted Answer

A)  proprietary schools. 
B)  hospitals. 
C)  clinics. 
D)  colleges. 
A)  proprietary schools. 
B)  hospitals. 
C)  clinics. 
D)  colleges.

Question 10

The frequency of an electromagnetic sine wave is defined as:

Accepted Answer

A)  the distance from trough to crest. 
B)  the distance from one crest to the next. 
C)  the number of times per second that a crest passes a given point. 
D)  the velocity at which the wave travels through space. 
A)  the distance from trough to crest. 
B)  the distance from one crest to the next. 
C)  the number of times per second that a crest passes a given point. 
D)  the velocity at which the wave travels through space.

Question 11

Grids or buckys are generally used for body parts that measure greater than:

Accepted Answer

A)  2 to 4 cm. 
B)  10 to 12 cm. 
C)  18 to 20 cm. 
D)  30 cm. 
A)  2 to 4 cm. 
B)  10 to 12 cm. 
C)  18 to 20 cm. 
D)  30 cm.

Question 12

What is a Gy?

Accepted Answer

A)  A radiation unit that is determined by measuring ionization of air 
B)  A factor that quantifies the relative health risks of various types of radiation 
C)  A radiation unit used to measure patient dose 
D)  A radiation unit used to measure dose equivalents for occupational exposure 
A)  A radiation unit that is determined by measuring ionization of air 
B)  A factor that quantifies the relative health risks of various types of radiation 
C)  A radiation unit used to measure patient dose 
D)  A radiation unit used to measure dose equivalents for occupational exposure

Question 13

What is meant by R?

Accepted Answer

A)  A radiation unit that is determined by measuring ionization of air 
B)  A device containing a crystal that absorbs radiation energy and discharges it in the form of light when heated 
C)  A factor that quantifies the relative health risks of various types of radiation 
D)  A radiation unit used to measure patient dose 
A)  A radiation unit that is determined by measuring ionization of air 
B)  A device containing a crystal that absorbs radiation energy and discharges it in the form of light when heated 
C)  A factor that quantifies the relative health risks of various types of radiation 
D)  A radiation unit used to measure patient dose

Question 14

An x-ray exposure is made using the following factors: 200 mA,0.04 second,80 kVp,and 40 inches SID.In this case,which represents the value of the mAs?

Accepted Answer

A)  0.08 
B)  0.8 
C)  8 
D)  16,000 
A)  0.08 
B)  0.8 
C)  8 
D)  16,000

Question 15

The access point for the radiographer to determine the exposure factors and to initiate the exposure is called the:

Accepted Answer

A)  transformer. 
B)  image receptor unit. 
C)  control console. 
D)  stationary grid. 
A)  transformer. 
B)  image receptor unit. 
C)  control console. 
D)  stationary grid.

An electron cloud surrounding a hot cathode is referred to as a(n):

Which of the following devices is NOT employed to reduce the hazards of radiation exposure to the patient?

Which of the following substances is most readily penetrated by x-rays?

The purpose of rotating the x-ray tube target is to:

An imaginary photon that is emitted from the center of the focal spot,perpendicular to the long axis of the x-ray tube,is called the:

Of the following types of electromagnetic energy,which has the shortest wavelength?

An increase in object/image-receptor distance (OID)will result in which of the following? 1)Increased magnification 2)Decreased image detail 3)Increased image detail

When the source-image distance (SID)is doubled,the intensity of the radiation in the radiation field will be:

The majority of radiography education programs today are based in:

The frequency of an electromagnetic sine wave is defined as:

Grids or buckys are generally used for body parts that measure greater than:

What is a Gy?

What is meant by R?

An x-ray exposure is made using the following factors: 200 mA,0.04 second,80 kVp,and 40 inches SID.In this case,which represents the value of the mAs?

The access point for the radiographer to determine the exposure factors and to initiate the exposure is called the:

Professional Roles and Behaviors

Professional Attitudes and Communications

Safety, Transfer, and Positioning

Infection Control

Patient Care and Assessment

Medications and Their Administration

Dealing with Acute Situations

Preparation and Examination of the Gastrointestinal Tract

Contrast Media and Special Radiographic Techniques

Bedside Radiography: Special Conditions and Environments

Special Imaging Modalities

Filters

Exam 1: Introduction to Radiography

An electron cloud surrounding a hot cathode is referred to as a(n):

Which of the following devices is NOT employed to reduce the hazards of radiation exposure to the patient?

Which of the following substances is most readily penetrated by x-rays?

The purpose of rotating the x-ray tube target is to:

An imaginary photon that is emitted from the center of the focal spot,perpendicular to the long axis of the x-ray tube,is called the:

Of the following types of electromagnetic energy,which has the shortest wavelength?

An increase in object/image-receptor distance (OID)will result in which of the following? 1)Increased magnification 2)Decreased image detail 3)Increased image detail

When the source-image distance (SID)is doubled,the intensity of the radiation in the radiation field will be:

The majority of radiography education programs today are based in:

The frequency of an electromagnetic sine wave is defined as:

Grids or buckys are generally used for body parts that measure greater than:

What is a Gy?

What is meant by R?

An x-ray exposure is made using the following factors: 200 mA,0.04 second,80 kVp,and 40 inches SID.In this case,which represents the value of the mAs?

The access point for the radiographer to determine the exposure factors and to initiate the exposure is called the:

Professional Roles and Behaviors

Professional Attitudes and Communications

Safety, Transfer, and Positioning

Infection Control

Patient Care and Assessment

Medications and Their Administration

Dealing with Acute Situations

Preparation and Examination of the Gastrointestinal Tract

Contrast Media and Special Radiographic Techniques

Bedside Radiography: Special Conditions and Environments

Special Imaging Modalities

Filters