Question 1

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

Accepted Answer

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

Question 2

Nausea is principally associated with the

Accepted Answer

A) prodromal period. 
B) latent period. 
C) central nervous system syndrome. 
D) doubling-dose period. 
A) prodromal period. 
B) latent period. 
C) central nervous system syndrome. 
D) doubling-dose period. A

Question 3

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

Accepted Answer

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

Question 4

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 5

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

Accepted Answer

A) permit only alpha rays to reach the patient's skin. 
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) permit only alpha rays to reach the patient's skin. 
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 6

With regard to the annual whole-body effective dose limit for occupational personnel

Accepted Answer

A) the annual limit in 50 mSv (5 rem). 
B) the allowable cumulative whole-body dose limit is much lower than that permitted in the 1970s. 
C) the maximum accumulated whole-body effective dose is calculated using 1 rem multiplied by the person's age (1 rem ´ age in years). 
D) all of the above are true. 
A) the annual limit in 50 mSv (5 rem). 
B) the allowable cumulative whole-body dose limit is much lower than that permitted in the 1970s. 
C) the maximum accumulated whole-body effective dose is calculated using 1 rem multiplied by the person's age (1 rem ´ age in years). 
D) all of the above are true.

Question 7

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

Question 8

If a technologist stands 2 m from an x-ray tube and receives an exposure rate of 4 mR/hr,the exposure rate would be _____ mR/hr 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 9

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 10

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

Accepted Answer

A) natural background radiation. 
B) human-made background radiation. 
C) human-made radiation. 
D) radioactivity. 
A) natural background radiation. 
B) human-made background radiation. 
C) human-made radiation. 
D) radioactivity.

Question 11

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 12

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 13

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 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. 
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.

Question 15

The radiographic beam should be collimated 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 16

Protective devices such as lead aprons are intended to protect the user from _____ radiation.
1)scattered and secondary
2)primary
3)remnant
4)latent

Accepted Answer

A) 1 only 
B) 1,2,and 4 only 
C) 1 and 3 only 
D) 1,3,and 4 only 
A) 1 only 
B) 1,2,and 4 only 
C) 1 and 3 only 
D) 1,3,and 4 only

Question 17

A woman who is 3 months' pregnant has been in a motor vehicle accident.The emergency department physician suspects there is injury to her cervical spine and thus feels justified in ordering an x-ray examination to aid in determining the extent of the patient's injury.Because the patient is pregnant,the radiographer should
1)select the lowest exposure factors that will produce a diagnostically useful radiograph.
2)adequately and precisely collimate the radiographic beam to include only the anatomic area of interest.
3)shield the patient's lower abdomen and pelvic region with a suitable protective contact shield.

Accepted Answer

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

Question 18

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 19

The law of Bergonie and Tribondeau states that cells are more radiosensitive if they are
1)highly mitotic.
2)undifferentiated.
3)mature cells.

Accepted Answer

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

Question 20

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

Accepted Answer

A) lead. 
B) aluminum. 
C) copper. 
D) tungsten. 
A) lead. 
B) aluminum. 
C) copper. 
D) tungsten.

Exam 9: Basic Radiation Protection and Radiobiology

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

Nausea is principally associated with the

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

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

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

With regard to the annual whole-body effective dose limit for occupational personnel

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

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

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

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

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

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

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

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

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

Protective devices such as lead aprons are intended to protect the user from _____ radiation. 1)scattered and secondary 2)primary 3)remnant 4)latent

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

The law of Bergonie and Tribondeau states that cells are more radiosensitive if they are 1)highly mitotic. 2)undifferentiated. 3)mature cells.

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

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

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