RADIATION SAFETY QUIZ GUIDE
QUESTIONS AND ANSWERS
Radiation causes Ionization of Atoms which may affect what? - Answer-Molecules,
Cells, Tissues, Organs, whole body
What causes biological damage of tissues from radiation? - Answer-Interaction of
radiation with atoms
What is natural background radiation? - Answer-natural exposure to ionizing radiation at
all times
What are the main sources of Natural Background radiation? - Answer-Radioactive
substances in earths crust
Radioactive gas from the Earth
Cosmic rays from outer space
Trace amounts of radioactivity in the body
Which radioactive isotopes are still around since when the earth formed? - Answer-
Isotopes with long half lives, and the isotopes they produce
What are 2 examples of long half life Isotopes produced when the earth was formed? -
Answer-Uranium and Thorium
What isotope is produced from Uranium and Thorium - Answer-Radon
What is Radon? Where does it come from? - Answer-Cancer causing radioactive gas
from natural decay of Uranium
Where is Radon found? - Answer-Almost all soil
What is the second leading cause of cancer in the united states? - Answer-Radon gas
trapped in the lungs
What is cosmic radiation composed of primarily? - Answer-Protons
At sea level, what is cosmic radiation mostly composed of? - Answer-Muons,
Some gamma rays, neutrons and electrons
Where is the dose of cosmi radiation higher? - Answer-High Altitude
What are the most common radioactive materials that we consume? - Answer-Tritium
H3
Carbon 14
QUESTIONS AND ANSWERS
Radiation causes Ionization of Atoms which may affect what? - Answer-Molecules,
Cells, Tissues, Organs, whole body
What causes biological damage of tissues from radiation? - Answer-Interaction of
radiation with atoms
What is natural background radiation? - Answer-natural exposure to ionizing radiation at
all times
What are the main sources of Natural Background radiation? - Answer-Radioactive
substances in earths crust
Radioactive gas from the Earth
Cosmic rays from outer space
Trace amounts of radioactivity in the body
Which radioactive isotopes are still around since when the earth formed? - Answer-
Isotopes with long half lives, and the isotopes they produce
What are 2 examples of long half life Isotopes produced when the earth was formed? -
Answer-Uranium and Thorium
What isotope is produced from Uranium and Thorium - Answer-Radon
What is Radon? Where does it come from? - Answer-Cancer causing radioactive gas
from natural decay of Uranium
Where is Radon found? - Answer-Almost all soil
What is the second leading cause of cancer in the united states? - Answer-Radon gas
trapped in the lungs
What is cosmic radiation composed of primarily? - Answer-Protons
At sea level, what is cosmic radiation mostly composed of? - Answer-Muons,
Some gamma rays, neutrons and electrons
Where is the dose of cosmi radiation higher? - Answer-High Altitude
What are the most common radioactive materials that we consume? - Answer-Tritium
H3
Carbon 14
