RADIATION SAFETY (AMMO 66) FINAL EXAM QUESTIONS WITH
CORRECT ANSWERS | RATED A+
The process by which an unstable nucleus releases energy to achieve greater stability is called -
CORRECT ANSWER -Nuclear decay
What charge does a neutron have? - CORRECT ANSWER -Neutral
Ionization is a neutral atom acquiring charge by gaining or losing - CORRECT ANSWER -Electrons
Which loses energy each time ionization occurs, has a short range, and cannot penetrate a
sheet of paper - CORRECT ANSWER -alpha particle
What pathway allows isotopes to enter the body through penetrating the skin - CORRECT
ANSWER -Absorption (incorrect)
What type of ionizing radiation does not have enough energy to penetrate human skin? -
CORRECT ANSWER -Alpha particle
Radiation source produced by humans are called - CORRECT ANSWER -Background radiation
(incorrect)
Natural radiation comes from what two sources - CORRECT ANSWER -Cosmic and earth
The NRC is responsible for - CORRECT ANSWER -Regulating ionizing radiation use in the United
States
Which army regulation establishes the army radiation safety program? - CORRECT ANSWER -DA
Pam, 385-24
, What is the term for the decay rate per mass or volume of the radioactive atom? - CORRECT
ANSWER -Specific activity
RADIAC, instruments based on the ionization principle - CORRECT ANSWER -Collect and
measure the ion pairs created when radiation interacts with matter
What type of dosimetry is used to measure the dose receded from sources received outside of
the body - CORRECT ANSWER -Scintillation (incorrect)
What type of device can be worn on the body to measure an accumulated radiation dose? -
CORRECT 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 - CORRECT ANSWER -Thorium - 232
One way to evaluate. The risk from radiation exposure is to - CORRECT ANSWER -Assume that all
exposure to radiation is harmful (incorrect)
ALARA is a radiation safety principle for - CORRECT ANSWER -ensure that you use common
sense measures to limit occupational radiation exposure
which of the following applies to a radiological emergency response plan - CORRECT 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? - CORRECT ANSWER -5000
mREM
CORRECT ANSWERS | RATED A+
The process by which an unstable nucleus releases energy to achieve greater stability is called -
CORRECT ANSWER -Nuclear decay
What charge does a neutron have? - CORRECT ANSWER -Neutral
Ionization is a neutral atom acquiring charge by gaining or losing - CORRECT ANSWER -Electrons
Which loses energy each time ionization occurs, has a short range, and cannot penetrate a
sheet of paper - CORRECT ANSWER -alpha particle
What pathway allows isotopes to enter the body through penetrating the skin - CORRECT
ANSWER -Absorption (incorrect)
What type of ionizing radiation does not have enough energy to penetrate human skin? -
CORRECT ANSWER -Alpha particle
Radiation source produced by humans are called - CORRECT ANSWER -Background radiation
(incorrect)
Natural radiation comes from what two sources - CORRECT ANSWER -Cosmic and earth
The NRC is responsible for - CORRECT ANSWER -Regulating ionizing radiation use in the United
States
Which army regulation establishes the army radiation safety program? - CORRECT ANSWER -DA
Pam, 385-24
, What is the term for the decay rate per mass or volume of the radioactive atom? - CORRECT
ANSWER -Specific activity
RADIAC, instruments based on the ionization principle - CORRECT ANSWER -Collect and
measure the ion pairs created when radiation interacts with matter
What type of dosimetry is used to measure the dose receded from sources received outside of
the body - CORRECT ANSWER -Scintillation (incorrect)
What type of device can be worn on the body to measure an accumulated radiation dose? -
CORRECT 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 - CORRECT ANSWER -Thorium - 232
One way to evaluate. The risk from radiation exposure is to - CORRECT ANSWER -Assume that all
exposure to radiation is harmful (incorrect)
ALARA is a radiation safety principle for - CORRECT ANSWER -ensure that you use common
sense measures to limit occupational radiation exposure
which of the following applies to a radiological emergency response plan - CORRECT 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? - CORRECT ANSWER -5000
mREM
