RADIATION SAFETY UPDATED STUDYS EXAM
QUESTIONS AND ANSWERS GUARANTEE A+
✔✔What is the harm caused by inhaling radioactive isotopes - ✔✔Somatic
✔✔x-ray, nuclear medicines, consumer products, and occupational exposure are what
type of radiation - ✔✔Technogenic
✔✔Which four functions does the NRC perform to protect the health and safety of the
public and the environment? - ✔✔1. Sets standards and establishes rules regarding
ionizing radiation
2. Establishes the circumstances when an NRC license is required to possess and use
radioactive materials.
3. Inspects facilities and operations that have an NRC license Penalizes those who
violate the conditions of the license or the regulation in the CFR
✔✔Which federal regulation governs the use of radioactive materials? - ✔✔CFR Title 10
✔✔Which four of the following are the responsibilities of the RSO? - ✔✔1. Control
shipment of radioactive material arriving at and leaving the installation.
2. Create and review a Radiation Safety Program
3. Ensure everyone handles radioactive materials according to the NRC and DOD rules
4. Terminate a project that is a threat to health and property
✔✔What is the basic unit measure for activity from the source? - ✔✔Curie
✔✔What is the special unit for measuring the energy level of ionizing radiation
particles? - ✔✔Electron volt
✔✔What indicates the energy levels for gamma rays and X-rays? - ✔✔Frequency
✔✔Exposure is measured in units of - ✔✔Roentgen
✔✔What is the absorbed dose of radiation measured in? - ✔✔RADs
✔✔What does a RAD measure? - ✔✔Energy absorbed by any target from any source
✔✔What is the dose equivalent? - ✔✔Measure of biological damage or risk from
radiation energy
✔✔What is the unit of measure for dose equivalent? - ✔✔REM
✔✔What is the purpose of RADIAC equipment? - ✔✔Detect and measure ionizing
radiation
, ✔✔What are the three basic components of most modern RADIAC instruments? - ✔✔1.
Cable
2. Detector
3. Meter
✔✔RADIAC instruments that use ionization to detect ionizing radiation - ✔✔Collect and
measure the ion pairs created when radiation interacts with matter
✔✔What is the basis for the ionization principle the three categories of RADIAC devices
operate on? - ✔✔Operating voltages
✔✔The amount of voltage applied creates different outcomes because it - ✔✔Is directly
related to the number of atoms ionized
✔✔RADIAC instruments that operate on the ionization principle can be divided into
which three main categories? - ✔✔1. Geiger counters
2. Ion chambers
3. Proportional chambers
✔✔Which type ionization RADIAC device uses voltage to detect the energy pulse of the
radiation? - ✔✔Proportional chamber
✔✔Which type of ionization RADIAC device works at a voltage so high that any
incoming radiation completely discharges the gas in the cylinder? - ✔✔Geiger counter
✔✔What are the two major factors that determine how an instrument that uses the
ionization principle will perform? - ✔✔1. Applied voltage
2. Type of detector
✔✔RADIAC instruments that use scintillation to detect ionizing radiation - ✔✔Measure
the light energy released when a special phosphorescent material is struck by ionizing
radiation
✔✔RADIAC instruments that operate on the scintillation principle can be divided into
which two categories? - ✔✔1. Liquid scintillators
2. Solid crystal scintillators
✔✔Use a liquid scintillation counter to detect and measure which type of ionizing
radiation? - ✔✔Beta
✔✔What are the two most common operating principles for modern RADIAC
instruments? - ✔✔1. Ionization
QUESTIONS AND ANSWERS GUARANTEE A+
✔✔What is the harm caused by inhaling radioactive isotopes - ✔✔Somatic
✔✔x-ray, nuclear medicines, consumer products, and occupational exposure are what
type of radiation - ✔✔Technogenic
✔✔Which four functions does the NRC perform to protect the health and safety of the
public and the environment? - ✔✔1. Sets standards and establishes rules regarding
ionizing radiation
2. Establishes the circumstances when an NRC license is required to possess and use
radioactive materials.
3. Inspects facilities and operations that have an NRC license Penalizes those who
violate the conditions of the license or the regulation in the CFR
✔✔Which federal regulation governs the use of radioactive materials? - ✔✔CFR Title 10
✔✔Which four of the following are the responsibilities of the RSO? - ✔✔1. Control
shipment of radioactive material arriving at and leaving the installation.
2. Create and review a Radiation Safety Program
3. Ensure everyone handles radioactive materials according to the NRC and DOD rules
4. Terminate a project that is a threat to health and property
✔✔What is the basic unit measure for activity from the source? - ✔✔Curie
✔✔What is the special unit for measuring the energy level of ionizing radiation
particles? - ✔✔Electron volt
✔✔What indicates the energy levels for gamma rays and X-rays? - ✔✔Frequency
✔✔Exposure is measured in units of - ✔✔Roentgen
✔✔What is the absorbed dose of radiation measured in? - ✔✔RADs
✔✔What does a RAD measure? - ✔✔Energy absorbed by any target from any source
✔✔What is the dose equivalent? - ✔✔Measure of biological damage or risk from
radiation energy
✔✔What is the unit of measure for dose equivalent? - ✔✔REM
✔✔What is the purpose of RADIAC equipment? - ✔✔Detect and measure ionizing
radiation
, ✔✔What are the three basic components of most modern RADIAC instruments? - ✔✔1.
Cable
2. Detector
3. Meter
✔✔RADIAC instruments that use ionization to detect ionizing radiation - ✔✔Collect and
measure the ion pairs created when radiation interacts with matter
✔✔What is the basis for the ionization principle the three categories of RADIAC devices
operate on? - ✔✔Operating voltages
✔✔The amount of voltage applied creates different outcomes because it - ✔✔Is directly
related to the number of atoms ionized
✔✔RADIAC instruments that operate on the ionization principle can be divided into
which three main categories? - ✔✔1. Geiger counters
2. Ion chambers
3. Proportional chambers
✔✔Which type ionization RADIAC device uses voltage to detect the energy pulse of the
radiation? - ✔✔Proportional chamber
✔✔Which type of ionization RADIAC device works at a voltage so high that any
incoming radiation completely discharges the gas in the cylinder? - ✔✔Geiger counter
✔✔What are the two major factors that determine how an instrument that uses the
ionization principle will perform? - ✔✔1. Applied voltage
2. Type of detector
✔✔RADIAC instruments that use scintillation to detect ionizing radiation - ✔✔Measure
the light energy released when a special phosphorescent material is struck by ionizing
radiation
✔✔RADIAC instruments that operate on the scintillation principle can be divided into
which two categories? - ✔✔1. Liquid scintillators
2. Solid crystal scintillators
✔✔Use a liquid scintillation counter to detect and measure which type of ionizing
radiation? - ✔✔Beta
✔✔What are the two most common operating principles for modern RADIAC
instruments? - ✔✔1. Ionization
