Radiation Protection in Medical Radiography -
Questions With Correct Solutions
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
What are the two important types of interactions between x-ray radiation and
matter important in diagnostic radiology? Correct Answer - Compton
scattering, photoelectric absorption
Questions With Correct Solutions
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
What are the two important types of interactions between x-ray radiation and
matter important in diagnostic radiology? Correct Answer - Compton
scattering, photoelectric absorption
