Radiation Protection in Medical
Radiography UPDATED Questions and
CORRECT Answers
The use of radiation in the healing arts did not begin until the discovery of x-rays in what year? -
CORRECT ANSWER -1895
What is defined as the effective measures employed by radiation workers to safeguard patients,
personnel, and general public from unnecessary exposure to ionizing radiation? - CORRECT
ANSWER -Radiation protection
The need for safeguarding against significant and continuing radiation exposure is based on
evidence of harmful _______________. - CORRECT ANSWER -Biologic effects
What is the degree to which the diagnostic study accurately reveals the presence or absence of
disease in the patient? - CORRECT ANSWER -Diagnostic efficacy
The philosophy of as low as reasonably achievable (ALARA) should be what part of every
health care facility's personnel radiation control program? - CORRECT ANSWER -Main
What are the three basic principles of radiation protection? - CORRECT ANSWER -Time,
distance and shielding
Who is responsible for providing the necessary resources and appropriate environment in which
to execute an ALARA program? - CORRECT ANSWER -Employer
In a hospital setting who is expressly charged by the administration to be directly responsible for
the ALARA program? - CORRECT ANSWER -Radiation Safety Officer
Radiation refers to ______________energy that passes from one location to another and can
have many manifestations. - CORRECT ANSWER -kinetic
, The amount of energy transferred to electrons by ionizing radiation is the basic concept for
radiation dose. - CORRECT ANSWER -True
What form of radiation includes alpha and beta particles? - CORRECT ANSWER -
Particulate radiation
Equivalent dose is a radiation __________ used for radiation protection purposes when a person
receives exposure from various types of ionizing radiation. - CORRECT ANSWER -
Quantity
What is a classic example of organic damage that results from non-negligible exposure to
ionizing radiation? - CORRECT ANSWER -Changes in blood count
Radon is the __________decay product of radium and is produced as radium decays in the soil. -
CORRECT ANSWER -First
According to the Environmental Protection Agency radon is the second leading cause of what
type of cancer in the United States? - CORRECT ANSWER -Lung
What was the average dose received by the population living within a 50-mile radius of the
Three Mile Island plant? - CORRECT ANSWER -0.08 mSv
What was the amount of radiation released at Chernobyl when compared to the radioactivity of
Hiroshima and Nagasaki combined? - CORRECT ANSWER -30-40 times
A diagnostic x-ray beam is produced when a stream of high-speed __________ bombard a
positively charged target. - CORRECT ANSWER -Electrons
What is the most common method to eliminate the effects of indirectly transmitted x-ray
photons? - CORRECT ANSWER -Air gap technique & Radiographic grids
Radiography UPDATED Questions and
CORRECT Answers
The use of radiation in the healing arts did not begin until the discovery of x-rays in what year? -
CORRECT ANSWER -1895
What is defined as the effective measures employed by radiation workers to safeguard patients,
personnel, and general public from unnecessary exposure to ionizing radiation? - CORRECT
ANSWER -Radiation protection
The need for safeguarding against significant and continuing radiation exposure is based on
evidence of harmful _______________. - CORRECT ANSWER -Biologic effects
What is the degree to which the diagnostic study accurately reveals the presence or absence of
disease in the patient? - CORRECT ANSWER -Diagnostic efficacy
The philosophy of as low as reasonably achievable (ALARA) should be what part of every
health care facility's personnel radiation control program? - CORRECT ANSWER -Main
What are the three basic principles of radiation protection? - CORRECT ANSWER -Time,
distance and shielding
Who is responsible for providing the necessary resources and appropriate environment in which
to execute an ALARA program? - CORRECT ANSWER -Employer
In a hospital setting who is expressly charged by the administration to be directly responsible for
the ALARA program? - CORRECT ANSWER -Radiation Safety Officer
Radiation refers to ______________energy that passes from one location to another and can
have many manifestations. - CORRECT ANSWER -kinetic
, The amount of energy transferred to electrons by ionizing radiation is the basic concept for
radiation dose. - CORRECT ANSWER -True
What form of radiation includes alpha and beta particles? - CORRECT ANSWER -
Particulate radiation
Equivalent dose is a radiation __________ used for radiation protection purposes when a person
receives exposure from various types of ionizing radiation. - CORRECT ANSWER -
Quantity
What is a classic example of organic damage that results from non-negligible exposure to
ionizing radiation? - CORRECT ANSWER -Changes in blood count
Radon is the __________decay product of radium and is produced as radium decays in the soil. -
CORRECT ANSWER -First
According to the Environmental Protection Agency radon is the second leading cause of what
type of cancer in the United States? - CORRECT ANSWER -Lung
What was the average dose received by the population living within a 50-mile radius of the
Three Mile Island plant? - CORRECT ANSWER -0.08 mSv
What was the amount of radiation released at Chernobyl when compared to the radioactivity of
Hiroshima and Nagasaki combined? - CORRECT ANSWER -30-40 times
A diagnostic x-ray beam is produced when a stream of high-speed __________ bombard a
positively charged target. - CORRECT ANSWER -Electrons
What is the most common method to eliminate the effects of indirectly transmitted x-ray
photons? - CORRECT ANSWER -Air gap technique & Radiographic grids
