Radiation Protection In Medical Radiography -
Questions With Verified Solutions
Radiation Correct Answer - Transfer of energy from one location to
another
Ionization Consequence Correct Answer - Result in human cells:
Creation of unstable atoms, Production of free electrons, Production of low-
energy x-ray photons
Absorbed Dose Correct Answer - Amount of energy deposited in a
material per unit mass
Alliance for Radiation Safety in Pediatric Imaging Correct Answer -
Founded in 2000
Electromagnetic Wave Correct Answer - Includes Radio waves,
Microwaves, Visible light, and X-rays
Radioactive Decay Correct Answer - Process relieving instability by
nuclear emissions
Charged Particles Correct Answer - Positively charged components:
Neutrons, Protons, Electrons, Radionuclides
Cellular Damage Effects Correct Answer - Example: Cataracts
Annual Effective Dose Correct Answer - Approx. 0.1-5.9 mSv in the US
Radon Half-life Correct Answer - 7 years
Radon EPA Limit Correct Answer - Should not exceed 4 pCi/L
Artificial Ionizing Radiation Sources Correct Answer - Include Diagnostic
x-ray radiation and Nuclear medicine procedures
, Man-made Radiation Contribution Correct Answer - Approx. 0.1-300
mSv to US yearly exposure
Chernobyl Explosion Year Correct Answer - 1986
Diagnostic X-ray Radiation Term Correct Answer - Refers to Gonadal
dose, Bone marrow dose, Entrance skin exposure
Milliampere-seconds Correct Answer - Product of electron tube current
and x-ray tube activation time
Tungsten Atomic Number Correct Answer - 74
Permanent Inherent Filtration Correct Answer - Combination of x-ray
tube glass wall and added aluminum in collimator
Attenuation Process Correct Answer - When x-ray photons pass through
an object
Important X-radiation Interactions Correct Answer - Include Compton
scattering and Photoelectric absorption
Coherent Scattering Correct Answer - Also known as Classical, Elastic, or
Unmodified scattering
Fluorescent Yield Correct Answer - Number of x-rays emitted per inner-
shell vacancy
Photodisintegration Correct Answer - High-energy photon collides with
the nucleus
X-ray Photon Interaction Requirement Correct Answer - Needs energy
exceeding 1.022 MeV for Pair production
X-ray Discovery Correct Answer - By Wilhelm Conrad Roentgen in 1895
First American Radiation Fatality Correct Answer - Clarence Madison
Dally in October 1904
Questions With Verified Solutions
Radiation Correct Answer - Transfer of energy from one location to
another
Ionization Consequence Correct Answer - Result in human cells:
Creation of unstable atoms, Production of free electrons, Production of low-
energy x-ray photons
Absorbed Dose Correct Answer - Amount of energy deposited in a
material per unit mass
Alliance for Radiation Safety in Pediatric Imaging Correct Answer -
Founded in 2000
Electromagnetic Wave Correct Answer - Includes Radio waves,
Microwaves, Visible light, and X-rays
Radioactive Decay Correct Answer - Process relieving instability by
nuclear emissions
Charged Particles Correct Answer - Positively charged components:
Neutrons, Protons, Electrons, Radionuclides
Cellular Damage Effects Correct Answer - Example: Cataracts
Annual Effective Dose Correct Answer - Approx. 0.1-5.9 mSv in the US
Radon Half-life Correct Answer - 7 years
Radon EPA Limit Correct Answer - Should not exceed 4 pCi/L
Artificial Ionizing Radiation Sources Correct Answer - Include Diagnostic
x-ray radiation and Nuclear medicine procedures
, Man-made Radiation Contribution Correct Answer - Approx. 0.1-300
mSv to US yearly exposure
Chernobyl Explosion Year Correct Answer - 1986
Diagnostic X-ray Radiation Term Correct Answer - Refers to Gonadal
dose, Bone marrow dose, Entrance skin exposure
Milliampere-seconds Correct Answer - Product of electron tube current
and x-ray tube activation time
Tungsten Atomic Number Correct Answer - 74
Permanent Inherent Filtration Correct Answer - Combination of x-ray
tube glass wall and added aluminum in collimator
Attenuation Process Correct Answer - When x-ray photons pass through
an object
Important X-radiation Interactions Correct Answer - Include Compton
scattering and Photoelectric absorption
Coherent Scattering Correct Answer - Also known as Classical, Elastic, or
Unmodified scattering
Fluorescent Yield Correct Answer - Number of x-rays emitted per inner-
shell vacancy
Photodisintegration Correct Answer - High-energy photon collides with
the nucleus
X-ray Photon Interaction Requirement Correct Answer - Needs energy
exceeding 1.022 MeV for Pair production
X-ray Discovery Correct Answer - By Wilhelm Conrad Roentgen in 1895
First American Radiation Fatality Correct Answer - Clarence Madison
Dally in October 1904
