Radiation Protection Final Exam UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Some consequences of ionization in human cells include:
1. creation of unstable atoms
2. production of free electrons
3. creation of reactive free radicals capable of producing substances poisonous to the cell -
CORRECT ANSWER - 1, 2, and 3
which of the following statements concerning the 1979 nuclear reactor accident at TMI-2 is not
true
a. excess cancer deaths have been predicted to occur in the 2 million people living within 50
miles of the plant at the time of the accident
b. no melt-through of the reactor vessel occurred during the accident
c. excessive cancer deaths have not been predicted to occur in the 2 million people living within
50 miles of the plant at the time of the accident
d. the equivalent dose (EqD) received by 2 million people living in the vicinity of the nuclear
reactor at the time of the accident was 0.08 mSv - CORRECT ANSWER - a. excess cancer
deaths have been predicted to occur in the 2 million people living within 50 miles of the plant at
the time of the accident
which of the following is a special form of radiation that is capable of creating electrically
charged particles by removing orbital electrons from the atom of the material with which it
interacts
a. subatomic
b. nonionizing
c. ultrasonic
d. ionizing - CORRECT ANSWER - d. ionizing
Terrestrial radiation includes which of the following sources
,a. video display terminals
b. the sun and stars
c. radioactive fallout from nuclear weapons tests
d. long-lived radioactive elements present in the crust of the earth - CORRECT
ANSWER - d. long-lived radioactive elements present in the crust of the earth
Through which of the following routes can radon enter houses:
1. crawl spaces under living areas
2. floor drains and sump pumps
3. porous cement block foundations - CORRECT ANSWER - 1, 2, and 3
which of the following helps shield the global population from exposure to essentially all high-
energy, cosmic rays
a. clouds
b. fog
c. earth's atmosphere and magnetic field
d. smog - CORRECT ANSWER - c. earth's atmosphere and magnetic field
what is considered by the EPA to be the second leading cause of lung cancer in the United States
- CORRECT ANSWER - Radon exposure
Which of the following are forms of electromagnetic radiation
1. microwaves
2. visible light
3. x rays - CORRECT ANSWER - 1, 2, and 3
in the electromagnetic spectrum, higher frequencies are associated with _____ wavelengths and
___ energies - CORRECT ANSWER - shorter, higher
,The first decay product of radium is - CORRECT ANSWER - radon
the millisievert is equal to ______ of 1 sievert - CORRECT ANSWER - 1/1000
the advantages of the BERT method are
1. it does not imply radiation risk; it is simply a means for comparison
2. is emphasizes that radiation is an innate part of our environment
3. the answer given in terms of BERT is easy for a patient to comprehend - CORRECT
ANSWER - 1, 2, and 3
If a patient asks a radiographer a question about how much radiation he or she will receive from
a specific x-ray procedure, the radiographer can - CORRECT ANSWER - use his or her
intelligence and knowledge to answer the question honestly and provide a suitable example that
compares the amount of radiation received from the procedure in question with natural
background radiation received over a given period of time
to implement an effective radiation safety program in a facility that provides imaging services,
the employer must provide all of the following except
a. x ray equipment that can only produce very low kVp and very high mAs
b. periodic exposure audits
c. an appropriate environment to execute ALARA
d. a written policy describing ALARA - CORRECT ANSWER - a. x ray equipment that
can only produce very low kVp and very high mAs
From which of the following sources do human beings receive the largest dose of ionizing
radiation
a. radioactive fallout from atomic weapons testing
b. cosmic rays
c. medical radiation procedures
d. area around a nuclear reactor - CORRECT ANSWER - c. medical radiation procedures
, of the following groups of people, which group is most likely to experience adverse health
effects as a consequence of substantial exposure to ionizing radiation
a. members of the general population living near Kiev at the time of the Chernobyl accident
b. members of the general population living within 50 miles of the TMI-2 nuclear reactor at the
time of the 1979 accident
c. news reporters visiting Chernobyl
d. employees on duty at TMI-2 at the time of the accident - CORRECT ANSWER - a.
members of the general population living near Kiev at the time of the Chernobyl accident
which of the following is a radiation quantity used for radiation protection purposes that attempts
to numerically specify the differences in biologic harm that is produced by different types of
radiation
a. exposure
b. BERT
c. equivalent dose
d. absorbed dose - CORRECT ANSWER - c. equivalent dose
Any radiation exposure that does not benefit a person in terms of diagnostic information obtained
for the clinical management of medical needs or that does not enhance the quality of a radiologic
examination is called - CORRECT ANSWER - unnecessary radiation
according to the NCRP report No. 160 of 2006, medical radiation procedures account for -
CORRECT ANSWER - the largest dose of manmade ionizing radiation received by human
beings
Combination of the x-ray tube glass wall and the added aluminum placed within the collimator is
referred to as - CORRECT ANSWER - permanent filtration
the reduction in the number of photons in the x ray beam through absorption and scatter as the
beam passes through the patient in its path is referred to as - CORRECT ANSWER -
attenuation
ACTUAL Exam Questions and CORRECT
Answers
Some consequences of ionization in human cells include:
1. creation of unstable atoms
2. production of free electrons
3. creation of reactive free radicals capable of producing substances poisonous to the cell -
CORRECT ANSWER - 1, 2, and 3
which of the following statements concerning the 1979 nuclear reactor accident at TMI-2 is not
true
a. excess cancer deaths have been predicted to occur in the 2 million people living within 50
miles of the plant at the time of the accident
b. no melt-through of the reactor vessel occurred during the accident
c. excessive cancer deaths have not been predicted to occur in the 2 million people living within
50 miles of the plant at the time of the accident
d. the equivalent dose (EqD) received by 2 million people living in the vicinity of the nuclear
reactor at the time of the accident was 0.08 mSv - CORRECT ANSWER - a. excess cancer
deaths have been predicted to occur in the 2 million people living within 50 miles of the plant at
the time of the accident
which of the following is a special form of radiation that is capable of creating electrically
charged particles by removing orbital electrons from the atom of the material with which it
interacts
a. subatomic
b. nonionizing
c. ultrasonic
d. ionizing - CORRECT ANSWER - d. ionizing
Terrestrial radiation includes which of the following sources
,a. video display terminals
b. the sun and stars
c. radioactive fallout from nuclear weapons tests
d. long-lived radioactive elements present in the crust of the earth - CORRECT
ANSWER - d. long-lived radioactive elements present in the crust of the earth
Through which of the following routes can radon enter houses:
1. crawl spaces under living areas
2. floor drains and sump pumps
3. porous cement block foundations - CORRECT ANSWER - 1, 2, and 3
which of the following helps shield the global population from exposure to essentially all high-
energy, cosmic rays
a. clouds
b. fog
c. earth's atmosphere and magnetic field
d. smog - CORRECT ANSWER - c. earth's atmosphere and magnetic field
what is considered by the EPA to be the second leading cause of lung cancer in the United States
- CORRECT ANSWER - Radon exposure
Which of the following are forms of electromagnetic radiation
1. microwaves
2. visible light
3. x rays - CORRECT ANSWER - 1, 2, and 3
in the electromagnetic spectrum, higher frequencies are associated with _____ wavelengths and
___ energies - CORRECT ANSWER - shorter, higher
,The first decay product of radium is - CORRECT ANSWER - radon
the millisievert is equal to ______ of 1 sievert - CORRECT ANSWER - 1/1000
the advantages of the BERT method are
1. it does not imply radiation risk; it is simply a means for comparison
2. is emphasizes that radiation is an innate part of our environment
3. the answer given in terms of BERT is easy for a patient to comprehend - CORRECT
ANSWER - 1, 2, and 3
If a patient asks a radiographer a question about how much radiation he or she will receive from
a specific x-ray procedure, the radiographer can - CORRECT ANSWER - use his or her
intelligence and knowledge to answer the question honestly and provide a suitable example that
compares the amount of radiation received from the procedure in question with natural
background radiation received over a given period of time
to implement an effective radiation safety program in a facility that provides imaging services,
the employer must provide all of the following except
a. x ray equipment that can only produce very low kVp and very high mAs
b. periodic exposure audits
c. an appropriate environment to execute ALARA
d. a written policy describing ALARA - CORRECT ANSWER - a. x ray equipment that
can only produce very low kVp and very high mAs
From which of the following sources do human beings receive the largest dose of ionizing
radiation
a. radioactive fallout from atomic weapons testing
b. cosmic rays
c. medical radiation procedures
d. area around a nuclear reactor - CORRECT ANSWER - c. medical radiation procedures
, of the following groups of people, which group is most likely to experience adverse health
effects as a consequence of substantial exposure to ionizing radiation
a. members of the general population living near Kiev at the time of the Chernobyl accident
b. members of the general population living within 50 miles of the TMI-2 nuclear reactor at the
time of the 1979 accident
c. news reporters visiting Chernobyl
d. employees on duty at TMI-2 at the time of the accident - CORRECT ANSWER - a.
members of the general population living near Kiev at the time of the Chernobyl accident
which of the following is a radiation quantity used for radiation protection purposes that attempts
to numerically specify the differences in biologic harm that is produced by different types of
radiation
a. exposure
b. BERT
c. equivalent dose
d. absorbed dose - CORRECT ANSWER - c. equivalent dose
Any radiation exposure that does not benefit a person in terms of diagnostic information obtained
for the clinical management of medical needs or that does not enhance the quality of a radiologic
examination is called - CORRECT ANSWER - unnecessary radiation
according to the NCRP report No. 160 of 2006, medical radiation procedures account for -
CORRECT ANSWER - the largest dose of manmade ionizing radiation received by human
beings
Combination of the x-ray tube glass wall and the added aluminum placed within the collimator is
referred to as - CORRECT ANSWER - permanent filtration
the reduction in the number of photons in the x ray beam through absorption and scatter as the
beam passes through the patient in its path is referred to as - CORRECT ANSWER -
attenuation
