IRRSP Certification practice exam with 200 questions
and correct answers (100% correct answers)/
Industrial Radiography Radiation Safety Personnel
IRRSP EXAM latest 2025 (brand new
In the early years of radiography, what caused personnel to be overexposed?
A. poor equipment design
B. Lack of understanding
C. A lack of and poor safety practices
D. All of the above - ANSWER-D. All of the Above
In which process is some of the photon's energy used to dislodge an orbital electron and the
remainder of the energy used to give the free electron kinetic energy:
A. Photoelectric effect
B. Compton Scatter
C. Pair Production
D. None of the above - ANSWER-A. Photoelectric effect
In which process is some of the photon's energy used to dislodge an orbital electron and the
remainder of the energy is given off as a secondary photon:
A. photoelectric effect
B Compton scatter
C. Pair Production
D. none of the above - ANSWER-B Compton Scatter
What is the unit of measure of ionization in air due to the passage of gamma or x-radiation?
A. Inch
B. Pressure per square inch
C Roentgen
D. Protons per atom - ANSWER-C. Roentgen
, How many milliroentgen (mR) are in one roentgen (R)? - ANSWER-B. 1000
What is the unit of measurement for the effect of any type of radiation on man that is equivalent to
one roentgen of gamma radiation to man?
A. Roentgen
B. Curie
C. REM
D. RAD - ANSWER-C. REM
All radiation exposures are equally serious and can result in death.
A. True
B. False - ANSWER-B. False
The maximum annual occupational dose for adults working with radioactive material is:
A. 5 mrem
B. 500 mrem
C. 0.5 REM
D. 5 REM - ANSWER-D. 5 REM
The most radiosensitive cells in the human body are:
A. Skin cells
B. Body extremities
C. Cells of the reproductive organs
D. White blood cells - ANSWER-D. White Blood Cells
Prompt effects from radiation exposure are those effects that occur:
A. 10 years from the date of the exposure
B. In future generations
C Within a short period of time after exposure
and correct answers (100% correct answers)/
Industrial Radiography Radiation Safety Personnel
IRRSP EXAM latest 2025 (brand new
In the early years of radiography, what caused personnel to be overexposed?
A. poor equipment design
B. Lack of understanding
C. A lack of and poor safety practices
D. All of the above - ANSWER-D. All of the Above
In which process is some of the photon's energy used to dislodge an orbital electron and the
remainder of the energy used to give the free electron kinetic energy:
A. Photoelectric effect
B. Compton Scatter
C. Pair Production
D. None of the above - ANSWER-A. Photoelectric effect
In which process is some of the photon's energy used to dislodge an orbital electron and the
remainder of the energy is given off as a secondary photon:
A. photoelectric effect
B Compton scatter
C. Pair Production
D. none of the above - ANSWER-B Compton Scatter
What is the unit of measure of ionization in air due to the passage of gamma or x-radiation?
A. Inch
B. Pressure per square inch
C Roentgen
D. Protons per atom - ANSWER-C. Roentgen
, How many milliroentgen (mR) are in one roentgen (R)? - ANSWER-B. 1000
What is the unit of measurement for the effect of any type of radiation on man that is equivalent to
one roentgen of gamma radiation to man?
A. Roentgen
B. Curie
C. REM
D. RAD - ANSWER-C. REM
All radiation exposures are equally serious and can result in death.
A. True
B. False - ANSWER-B. False
The maximum annual occupational dose for adults working with radioactive material is:
A. 5 mrem
B. 500 mrem
C. 0.5 REM
D. 5 REM - ANSWER-D. 5 REM
The most radiosensitive cells in the human body are:
A. Skin cells
B. Body extremities
C. Cells of the reproductive organs
D. White blood cells - ANSWER-D. White Blood Cells
Prompt effects from radiation exposure are those effects that occur:
A. 10 years from the date of the exposure
B. In future generations
C Within a short period of time after exposure
