Radiation Safety (ammo 66) FINAL Exam GUARANTEED
PASS !!
The process by which an unstable nucleus releases energy to achieve greater stability is called -
(ANSWER)Nuclear decay
What charge does a neutron have? - (ANSWER)Neutral
Ionization is a neutral atom acquiring charge by gaining or losing - (ANSWER)Electrons
Which loses energy each time ionization occurs, has a short range, and cannot penetrate a sheet of paper -
(ANSWER)alpha particle
What pathway allows isotopes to enter the body through penetrating the skin - (ANSWER)Absorption
(incorrect)
What type of ionizing radiation does not have enough energy to penetrate human skin? - (ANSWER)Alpha
particle
Radiation source produced by humans are called - (ANSWER)Background radiation (incorrect)
Natural radiation comes from what two sources - (ANSWER)Cosmic and earth
The NRC is responsible for - (ANSWER)Regulating ionizing radiation use in the United States
Which army regulation establishes the army radiation safety program? - (ANSWER)DA Pam, 385-24
What is the term for the decay rate per mass or volume of the radioactive atom? - (ANSWER)Specific activity
RADIAC, instruments based on the ionization principle - (ANSWER)Collect and measure the ion pairs created
when radiation interacts with matter
Page 1 of 5
, What type of dosimetry is used to measure the dose receded from sources received outside of the body -
(ANSWER)Scintillation (incorrect)
What type of device can be worn on the body to measure an accumulated radiation dose? -
(ANSWER)Ionization dosimeter (incorrect)
According to the page from TB 43-0116 shown here which isotope is present in the telescope with the NSN
1240-01-0 74-8959 - (ANSWER)Thorium - 232
One way to evaluate. The risk from radiation exposure is to - (ANSWER)Assume that all exposure to radiation
is harmful (incorrect)
ALARA is a radiation safety principle for - (ANSWER)ensure that you use common sense measures to limit
occupational radiation exposure
which of the following applies to a radiological emergency response plan - (ANSWER)it should provide
general guidance and procedures to follow in a radiation emergency
What is the maximum occupational dose that law allows for adults? - (ANSWER)5000 mREM
What is examine when reviewing radioactive inventory? - (ANSWER)If RSO's are wearing the correct
protection gear (incorrect)
If limiting exposure methods were utilized (incorrect)
What is identified when evaluating potential hazards - (ANSWER)Who is likely to interact with these hazards
(incorrect)
Which decontamination method should you use to clean highly porous surfaces? - (ANSWER)damp wiping
(incorrect)
Which should be first step before decontaminating equipment, or facilities - (ANSWER)Determine the extent of
the contamination
Page 2 of 5
PASS !!
The process by which an unstable nucleus releases energy to achieve greater stability is called -
(ANSWER)Nuclear decay
What charge does a neutron have? - (ANSWER)Neutral
Ionization is a neutral atom acquiring charge by gaining or losing - (ANSWER)Electrons
Which loses energy each time ionization occurs, has a short range, and cannot penetrate a sheet of paper -
(ANSWER)alpha particle
What pathway allows isotopes to enter the body through penetrating the skin - (ANSWER)Absorption
(incorrect)
What type of ionizing radiation does not have enough energy to penetrate human skin? - (ANSWER)Alpha
particle
Radiation source produced by humans are called - (ANSWER)Background radiation (incorrect)
Natural radiation comes from what two sources - (ANSWER)Cosmic and earth
The NRC is responsible for - (ANSWER)Regulating ionizing radiation use in the United States
Which army regulation establishes the army radiation safety program? - (ANSWER)DA Pam, 385-24
What is the term for the decay rate per mass or volume of the radioactive atom? - (ANSWER)Specific activity
RADIAC, instruments based on the ionization principle - (ANSWER)Collect and measure the ion pairs created
when radiation interacts with matter
Page 1 of 5
, What type of dosimetry is used to measure the dose receded from sources received outside of the body -
(ANSWER)Scintillation (incorrect)
What type of device can be worn on the body to measure an accumulated radiation dose? -
(ANSWER)Ionization dosimeter (incorrect)
According to the page from TB 43-0116 shown here which isotope is present in the telescope with the NSN
1240-01-0 74-8959 - (ANSWER)Thorium - 232
One way to evaluate. The risk from radiation exposure is to - (ANSWER)Assume that all exposure to radiation
is harmful (incorrect)
ALARA is a radiation safety principle for - (ANSWER)ensure that you use common sense measures to limit
occupational radiation exposure
which of the following applies to a radiological emergency response plan - (ANSWER)it should provide
general guidance and procedures to follow in a radiation emergency
What is the maximum occupational dose that law allows for adults? - (ANSWER)5000 mREM
What is examine when reviewing radioactive inventory? - (ANSWER)If RSO's are wearing the correct
protection gear (incorrect)
If limiting exposure methods were utilized (incorrect)
What is identified when evaluating potential hazards - (ANSWER)Who is likely to interact with these hazards
(incorrect)
Which decontamination method should you use to clean highly porous surfaces? - (ANSWER)damp wiping
(incorrect)
Which should be first step before decontaminating equipment, or facilities - (ANSWER)Determine the extent of
the contamination
Page 2 of 5
