Question 1

The material commonly used for shielding against radiation exposure in protective aprons and gloves is

Accepted Answer

A)  lead. 
B)  barium impregnated vinyl. 
C)  bismuth. 
D)  titanium. 
A)  lead. 
B)  barium impregnated vinyl. 
C)  bismuth. 
D)  titanium. A

Question 2

When laser light stimulates the sensing material in an optically stimulated luminescence dosimeter (OSL),the

Accepted Answer

A)  aluminum oxide material luminesces in proportion to the amount of radiation exposure received. 
B)  aluminum oxide stores the laser energy for future reference. 
C)  lithium fluoride chip emits light. 
D)  film darkens proportionally to the amount of laser light. 
A)  aluminum oxide material luminesces in proportion to the amount of radiation exposure received. 
B)  aluminum oxide stores the laser energy for future reference. 
C)  lithium fluoride chip emits light. 
D)  film darkens proportionally to the amount of laser light. A

Question 3

For a pregnant radiographer who declares her pregnancy to the employer,a second personnel monitoring device is provided.The purpose of this additional monitor is to ensure that the monthly equivalent dose to the embryo or fetus does not exceed _____ mSv (_____ rem).

Accepted Answer

A)  0.5;0.05 
B)  10;1 
C)  5;0.5 
D)  50;5 
A)  0.5;0.05 
B)  10;1 
C)  5;0.5 
D)  50;5 A

Question 4

Nausea is principally associated with the

Accepted Answer

A)  prodromal period. 
B)  latent period. 
C)  central nervous system syndrome. 
D)  manifest stage. 
A)  prodromal period. 
B)  latent period. 
C)  central nervous system syndrome. 
D)  manifest stage.

Question 5

The dose equivalent limits for radiation workers are based on the radiation received from what source(s)?

Accepted Answer

A)  Background radiation 
B)  Medical and dental radiography 
C)  Occupational exposure 
D)  Radiation fallout 
A)  Background radiation 
B)  Medical and dental radiography 
C)  Occupational exposure 
D)  Radiation fallout

Question 6

Acute radiation syndrome manifests in four major stages.In what order do these stages occur?

Accepted Answer

A)  Latent period,prodromal period,manifest stage,and recovery or death 
B)  Manifest stage,prodromal period,latent period,and recovery or death 
C)  Prodromal period,latent period,manifest stage,and recovery or death 
D)  Manifest stage,latent period,prodromal period,and recovery or death 
A)  Latent period,prodromal period,manifest stage,and recovery or death 
B)  Manifest stage,prodromal period,latent period,and recovery or death 
C)  Prodromal period,latent period,manifest stage,and recovery or death 
D)  Manifest stage,latent period,prodromal period,and recovery or death

Question 7

A given dose of radiation generally has the greatest potential for damage in tissues that have

Accepted Answer

A)  the most mature. 
B)  the largest cells. 
C)  more rapidly dividing cells. 
D)  cells with the lowest cytoplasmic water content. 
A)  the most mature. 
B)  the largest cells. 
C)  more rapidly dividing cells. 
D)  cells with the lowest cytoplasmic water content.

Question 8

The function of an X-ray beam filter in diagnostic radiology is to

Accepted Answer

A)  decrease the average energy of the beam to improve image quality. 
B)  permit only beta particles to interact with the atoms of the patient's body. 
C)  decrease the x-radiation dose to the patient's skin and superficial tissue. 
D)  remove gamma radiation from the useful X-ray beam. 
A)  decrease the average energy of the beam to improve image quality. 
B)  permit only beta particles to interact with the atoms of the patient's body. 
C)  decrease the x-radiation dose to the patient's skin and superficial tissue. 
D)  remove gamma radiation from the useful X-ray beam.

Question 9

The radiographic beam should be restricted so that it is _____ the image receptor.

Accepted Answer

A)  slightly larger than 
B)  no larger than 
C)  twice as large as 
D)  four times as large as 
A)  slightly larger than 
B)  no larger than 
C)  twice as large as 
D)  four times as large as

Question 10

Which of the following personnel radiation monitors will provide a near-immediate reading of radiation exposure,if necessary?

Accepted Answer

A)  TLD 
B)  Film badge 
C)  Lithium fluoride chips 
D)  Pocket dosimeter 
A)  TLD 
B)  Film badge 
C)  Lithium fluoride chips 
D)  Pocket dosimeter

Question 11

If a technologist stands 2 m from an X-ray tube and receives an exposure rate of 4 mR/h,the exposure rate would be _____ mR/h if the person stands 4 m from the X-ray tube.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 12

The photon interaction that results in the highest patient exposure is _____ interactions.

Accepted Answer

A)  bremsstrahlung 
B)  Compton 
C)  classical scattering 
D)  photoelectric 
A)  bremsstrahlung 
B)  Compton 
C)  classical scattering 
D)  photoelectric

Question 13

The radiation a person receives from the sun (cosmic radiation)is categorized as

Accepted Answer

A)  natural background radiation. 
B)  medical background radiation. 
C)  atmospheric radiation. 
D)  radioactivity. 
A)  natural background radiation. 
B)  medical background radiation. 
C)  atmospheric radiation. 
D)  radioactivity.

Question 14

Which of the following is a principle of the ALARA concept?

Accepted Answer

A)  All diagnostic X-ray exposure is low energy and of little concern. 
B)  The radiographer should hold a standard number of patients per year as long as it is below the allowable limits. 
C)  X-ray doses can increase progressively to allowable limits on older patients. 
D)  The radiographer's occupational exposure should be kept as low as reasonably achievable and the concept of "permissible dose" is no longer recognized. 
A)  All diagnostic X-ray exposure is low energy and of little concern. 
B)  The radiographer should hold a standard number of patients per year as long as it is below the allowable limits. 
C)  X-ray doses can increase progressively to allowable limits on older patients. 
D)  The radiographer's occupational exposure should be kept as low as reasonably achievable and the concept of "permissible dose" is no longer recognized.

Question 15

A device that is commonly used to locate and measure the intensity of a radioactive material in an area is a(n)

Accepted Answer

A)  film badge. 
B)  flat panel TFT detector. 
C)  Geiger-Müller counter. 
D)  OSL dosimeter. 
A)  film badge. 
B)  flat panel TFT detector. 
C)  Geiger-Müller counter. 
D)  OSL dosimeter.

Question 16

In which of the following X-ray interactions with matter is the energy of the incident photon completely absorbed?

Accepted Answer

A)  Compton scattering 
B)  Photoelectric absorption 
C)  Bremsstrahlung interactions 
D)  Characteristic interactions 
A)  Compton scattering 
B)  Photoelectric absorption 
C)  Bremsstrahlung interactions 
D)  Characteristic interactions

Question 17

With regard to the ALARA principle,the responsibility of the radiographer is to

Accepted Answer

A)  obtain high-quality radiographs in an efficient manner. 
B)  keep radiation exposures at the lowest levels possible. 
C)  assess image quality as a function of dose. 
D)  determine the risk-to-benefit relationship between ordered examinations and dose. 
A)  obtain high-quality radiographs in an efficient manner. 
B)  keep radiation exposures at the lowest levels possible. 
C)  assess image quality as a function of dose. 
D)  determine the risk-to-benefit relationship between ordered examinations and dose.

Question 18

Which action of ionizing radiation is most prevalent and most harmful to the human body?

Accepted Answer

A)  Direct action 
B)  Indirect action 
C)  Hormesis 
D)  Mitotic apoptosis 
A)  Direct action 
B)  Indirect action 
C)  Hormesis 
D)  Mitotic apoptosis

Exam 9: Basic Radiation Protection and Radiobiology

The material commonly used for shielding against radiation exposure in protective aprons and gloves is

When laser light stimulates the sensing material in an optically stimulated luminescence dosimeter (OSL),the

For a pregnant radiographer who declares her pregnancy to the employer,a second personnel monitoring device is provided.The purpose of this additional monitor is to ensure that the monthly equivalent dose to the embryo or fetus does not exceed _____ mSv (_____ rem).

Nausea is principally associated with the

The dose equivalent limits for radiation workers are based on the radiation received from what source(s)?

Acute radiation syndrome manifests in four major stages.In what order do these stages occur?

A given dose of radiation generally has the greatest potential for damage in tissues that have

The function of an X-ray beam filter in diagnostic radiology is to

The radiographic beam should be restricted so that it is _____ the image receptor.

Which of the following personnel radiation monitors will provide a near-immediate reading of radiation exposure,if necessary?

If a technologist stands 2 m from an X-ray tube and receives an exposure rate of 4 mR/h,the exposure rate would be _____ mR/h if the person stands 4 m from the X-ray tube.

The photon interaction that results in the highest patient exposure is _____ interactions.

The radiation a person receives from the sun (cosmic radiation)is categorized as

Which of the following is a principle of the ALARA concept?

A device that is commonly used to locate and measure the intensity of a radioactive material in an area is a(n)

In which of the following X-ray interactions with matter is the energy of the incident photon completely absorbed?

With regard to the ALARA principle,the responsibility of the radiographer is to

Which action of ionizing radiation is most prevalent and most harmful to the human body?

Introduction to Imaging and Radiologic Sciences

Professional Organizations

Educational Survival Skills

Critical-Thinking and Problem-Solving Strategies

Introduction to Clinical Education

Radiology Administration

Radiographic Imaging

Radiographic and Fluoroscopic Equipment

Human Diversity

Patient Interactions

History Taking

Safe Patient Movement and Handling Techniques

Immobilization Techniques

Vital Signs, oxygen, chest Tubes, and Lines

Basic Cardiac Monitoring: the Electrocardiogram

Infection Control

Aseptic Techniques

Nonaseptic Techniques

Medical Emergencies

Pharmacology

Principles of Drug Administration

Contrast Media and Introduction to Radiopharmaceuticals

Professional Ethics

Health Records and Health Information Management

Medical Law

Filters

For a pregnant radiographer who declares her pregnancy to the employer,a second personnel monitoring device is provided.The purpose of this additional monitor is to ensure that the monthly equivalent dose to the embryo or fetus does not exceed _ mSv (_ rem).