ALMS Radiation Safety (ammo 66) Final Exam
Questions & Answers
1.The process by which an unstable nucleus releases energy to
achieve greater stability is called
Answer Nuclear decay
2.What charge does a neutron have?
Answer Neutral
3.Ionization is a neutral atom acquiring charge by gaining or losing
Answer Electrons
4.Which loses energy each time ionization occurs, has a short range,
and cannot penetrate a sheet of paper
Answer alpha particle
5.What pathway allows isotopes to enter the body through penetrating
the skin
Answer Absorption (incorrect)
6.What type of ionizing radiation does not have enough energy to
penetrate human skin?
Answer Alpha particle
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, 7.Radiation source produced by humans are called
Answer Background radiation (in- correct)
8.Natural radiation comes from what two sources
Answer Cosmic and earth
9.The NRC is responsible for
Answer Regulating ionizing radiation use in the United States
10.Which army regulation establishes the army radiation safety program?
Answer DA Pam, 385-24
11.What is the term for the decay rate per mass or volume of the
radioactive atom?
Answer Specific activity
12.RADIAC, instruments based on the ionization principle
Answer Collect and mea- sure the ion pairs created when radiation
interacts with matter
13.What type of dosimetry is used to measure the dose receded from
sources received outside of the body
Answer Scintillation (incorrect)
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Questions & Answers
1.The process by which an unstable nucleus releases energy to
achieve greater stability is called
Answer Nuclear decay
2.What charge does a neutron have?
Answer Neutral
3.Ionization is a neutral atom acquiring charge by gaining or losing
Answer Electrons
4.Which loses energy each time ionization occurs, has a short range,
and cannot penetrate a sheet of paper
Answer alpha particle
5.What pathway allows isotopes to enter the body through penetrating
the skin
Answer Absorption (incorrect)
6.What type of ionizing radiation does not have enough energy to
penetrate human skin?
Answer Alpha particle
1/
8
, 7.Radiation source produced by humans are called
Answer Background radiation (in- correct)
8.Natural radiation comes from what two sources
Answer Cosmic and earth
9.The NRC is responsible for
Answer Regulating ionizing radiation use in the United States
10.Which army regulation establishes the army radiation safety program?
Answer DA Pam, 385-24
11.What is the term for the decay rate per mass or volume of the
radioactive atom?
Answer Specific activity
12.RADIAC, instruments based on the ionization principle
Answer Collect and mea- sure the ion pairs created when radiation
interacts with matter
13.What type of dosimetry is used to measure the dose receded from
sources received outside of the body
Answer Scintillation (incorrect)
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