RADIATION SAFETY (AMMO 66) FINAL
EXAM 2026/2027 EXAM QUESTIONS AND
CORRECT ANSWERS
radiation that comes from space is - Correct Answer
cosmic radiation
which two of the four graphics are isotopes of the same
element - Correct Answer atom 2&3
which of the following is a pure substance that cannot be
broken down into simpler substances by physical means?
- Correct Answer element
what charge does the electron have? - Correct Answer
negative 1
which moves at the speed of light, has no electrical
charge, and is the least ionizing form of nuclear radiation?
- Correct Answer gamma ray
which loses energy each time ionizing occurs, has a short
range, and cannot penetrate a sheet of paper? - Correct
Answer alpha particle
ionization is the creation of a charged atom through -
Correct Answer the addition or subtraction of electrons
,which form of radiation loses energy with each ionization,
has a range of a few feet in the air, and can penetrate
paper but not aluminum? - Correct Answer beta particle
what are three ways that gamma rays and x rays are
alike? - Correct Answer they remove electrons from an
atom
they are ionizing forms of radiation
they have the same properties of range, ionization, and
penetration
what is the harm caused by inhaling radioactive isotopes?
- Correct Answer particles can stay in the lungs and
ionize surrounding tissue.
which type of radiation cannot cross unbroken skin? -
Correct Answer alpha particles
which category of biological effects of ionizing radiation
can occur when one or both parents are exposed to
ionizing radiation? - Correct Answer genetic
which category of biological effects of ionizing radiation
can effect an embryo? - Correct Answer embryo logical
total exposure to radiation is - Correct Answer
background radiation plus occupational dose
which of the following is a natural source of background
radiation? - Correct Answer cosmic sources
, x-rays nuclear medicine consumer products and
occupational exposure are what types of radiation? -
Correct Answer technogenic
radiation that comes from space is - Correct Answer
cosmic radiation
the amount of natural background radiation you are
exposed to - Correct Answer differs depending on where
you live
What charge does a Proton have? Correct Answer
Positive
Three kinds of sub-atomic particles, protons, neutrons,
and electrons, make up what? Correct Answer Atom
Which loses energy each time ionization occurs, has a
range of a few feet in the air, and can penetrate a sheet of
paper but note a thin sheet of aluminum? Correct Answer
Beta particle
Which moves at the speed of light, has no electrical
charge, and is the least ionizing form of nuclear radiation?
Correct Answer Gamma ray
Chronic exposure to radiation Correct Answer is
continuous exposure over an extended period.
which category of biological effects of ionizing radiation
can affect an embryo? Correct Answer Genetic
EXAM 2026/2027 EXAM QUESTIONS AND
CORRECT ANSWERS
radiation that comes from space is - Correct Answer
cosmic radiation
which two of the four graphics are isotopes of the same
element - Correct Answer atom 2&3
which of the following is a pure substance that cannot be
broken down into simpler substances by physical means?
- Correct Answer element
what charge does the electron have? - Correct Answer
negative 1
which moves at the speed of light, has no electrical
charge, and is the least ionizing form of nuclear radiation?
- Correct Answer gamma ray
which loses energy each time ionizing occurs, has a short
range, and cannot penetrate a sheet of paper? - Correct
Answer alpha particle
ionization is the creation of a charged atom through -
Correct Answer the addition or subtraction of electrons
,which form of radiation loses energy with each ionization,
has a range of a few feet in the air, and can penetrate
paper but not aluminum? - Correct Answer beta particle
what are three ways that gamma rays and x rays are
alike? - Correct Answer they remove electrons from an
atom
they are ionizing forms of radiation
they have the same properties of range, ionization, and
penetration
what is the harm caused by inhaling radioactive isotopes?
- Correct Answer particles can stay in the lungs and
ionize surrounding tissue.
which type of radiation cannot cross unbroken skin? -
Correct Answer alpha particles
which category of biological effects of ionizing radiation
can occur when one or both parents are exposed to
ionizing radiation? - Correct Answer genetic
which category of biological effects of ionizing radiation
can effect an embryo? - Correct Answer embryo logical
total exposure to radiation is - Correct Answer
background radiation plus occupational dose
which of the following is a natural source of background
radiation? - Correct Answer cosmic sources
, x-rays nuclear medicine consumer products and
occupational exposure are what types of radiation? -
Correct Answer technogenic
radiation that comes from space is - Correct Answer
cosmic radiation
the amount of natural background radiation you are
exposed to - Correct Answer differs depending on where
you live
What charge does a Proton have? Correct Answer
Positive
Three kinds of sub-atomic particles, protons, neutrons,
and electrons, make up what? Correct Answer Atom
Which loses energy each time ionization occurs, has a
range of a few feet in the air, and can penetrate a sheet of
paper but note a thin sheet of aluminum? Correct Answer
Beta particle
Which moves at the speed of light, has no electrical
charge, and is the least ionizing form of nuclear radiation?
Correct Answer Gamma ray
Chronic exposure to radiation Correct Answer is
continuous exposure over an extended period.
which category of biological effects of ionizing radiation
can affect an embryo? Correct Answer Genetic
