NANTeL Radiation Worker Training Practice Test

These questions are part of the practice quiz. Start practicing

• What type of information does an RWP contain?
• What does DLR stand for?
• What device is used to measure radioactive contamination on surfaces?
• 2000 DAC equals what?
• Which activity could cause loose contamination to become airborne?
• Which type of contamination consists of very small, highly radioactive particles that can exceed dose limits if they get on skin?
• Which statement about altering postings without authorization is correct?
• A localized source of radiation that is much greater than the general background radiation level is described by which term?
• If reproductive cells are damaged, it is passed on to the next generation. This describes which type of effect?
• Which statement about the waiting area posting is true?
• Radioactive material is eliminated from the body by which process?
• What is the purpose of dosimetry?
• What boundary is used to step off from a controlled area in radiological work?
• Hot Spot Tag describes which of the following?
• Which term describes materials that become radioactive after exposure to neutron radiation in a reactor?
• Which atomic particle has no electric charge?
• What methods are used to limit internal disposition of radioactive material?
• Chronic radiation exposure is defined as exposure to a small amount of radiation over a long period. Which of the following statements is correct?
• Derived Air Concentration (DAC) is defined as the concentration of radioactive material in air that would result in one ALI of breathed for 2000 hours.
• Which type of contamination cannot easily come off or be transferred and can only become loose first?
• Which term designates an area designated by the Responsible Person (RP) with additional controls due to increased exposure risk from radiation or radioactive material?
• If you must work in an area more than seven feet above the floor, what should you do first?
• Which statement about step-off pads is true?
• Somatic effects are effects of radiation exposure that show up in the person exposed. Which choice best matches this concept?
• Which items are extracted from the Radiological Work Permit (RWP)?
• Which dosimeter provides a permanent record of your dose, is very accurate, has no electronic or moving parts, and cannot be read by the user?
• Which radiation type requires shielding with lead, steel, or concrete due to its high penetrating power?
• Which term describes non-radioactive material that becomes radioactive after exposure to neutron radiation in a reactor?
• In the context of survey maps, which statement best describes their purpose?
• Who performs the survey map to determine radiological hazards in the area?
• What term describes water that flows in and around a reactor?
• On a survey map, what is the typical dose rate measurement at a specified distance from the radiation source?
• Which particle is positively charged?
• What statement correctly describes the relationship between ALI and DAC?
• Which type of radiation has penetrating-medium strength, shielding with plastic or wood, hazard to skin and lens of eyes, found very common throughout plant?
• Which activity can cause fixed contamination to become airborne?
• If dosimeter is lost, alarming, damaged, or isn't working you should ...
• Which color rope or ribbon is commonly used to designate contaminated areas?
• Airborne Radioactivity Area is defined as which of the following?
• If the work scope or radiological conditions change, what must you do?
• Loose contamination is characterized by which statement?
• What does a personal contamination monitor (PCM) do?
• Determining the amount of RM in the body is accomplished by which methods?
• Which term describes effects that show up in the person exposed to radiation?
• Which radiation is found only in or near an operation reactor?
• TEDE is the total dose to the whole body including exposure to critical organs from external and internal sources. Which statement below best describes TEDE?
• Which term refers to operating reactor and the equipment that supports it and can change radiation levels in the plant?
• Which description defines radioactive waste?
• An area accessible where a person could receive more than 100 mrem in one hour at 30 cm from the source is called which?
• Which materials illustrate shielding?
• What is the annual dose limit for the lens of the eye?
• Which term best describes a room or area in which airborne radioactive materials exist in concentrations?
• What is a frisker?
• Which type of contamination is described as very small but highly radioactive?
• What is exposure to internal organs from internal sources known as?
• Which term refers to atoms in the fuel splitting to release large quantities of radiation and energy, heating water to make steam?
• What are routes of internal exposure?
• What substance acts as the reactor coolant, flowing in and around the reactor to transfer heat?
• Radiography in progress refers to which room?
• Why must contamination be controlled?
• What are the consequences of violating, moving, or altering postings?
• Nuclear fuel energy release occurs when atoms are split, releasing radiation and heat to make steam. Which process is this?
• TEDE relates to exposures from which sources?
• On a survey map, what does the symbol for dose rate in mrem/hr at least 30 cm from the source indicate?
• What does a personal contamination monitor (PCM) do?
• Which instrument or method is used to determine the amount and type of radioactivity in the body (gamma)?
• Which term describes parts and pieces used to generate electricity?
• Which device provides a permanent record of your dose and has no electronic moving parts, cannot be read by the user?
• Which type has penetrating-high, shielding with lead, steel, and concrete, hazard highest due to penetrating ability and common occurrence in organs?
• Which type of contamination can get on your clothes and become airborne by sweeping or using fans, and can be made loose by work activities?
• If you see the symbol "##" on a survey map, what does it represent?
• What is the effect of reactor operations on radiation levels?
• An area accessible where a person could receive more than 5 mrem in one hour at 30 centimeters from the source is called which?
• Which of the following factors affect the dose you receive?
• Reactor Operations can influence radiation levels in the plant. What is the correct statement?
• What does a dosimeter accurately measure?
• Which statement best describes a High Radiation Area?
• Which activity is listed as something that may increase airborne radioactivity?
• Which statement about shielding is true?
• What does ALARA stand for in radiation protection?
• If contamination is not controlled, where could it spread?
• Which instrument measures gamma inside the body?
• Which option correctly describes radioactive waste that must be disposed?
• What is a smear?
• DLR stands for?
• Which of the following best describes how radiological alarms are used in the plant?
• Which particle has no charge?
• Which of the following is a genetic effect of radiation exposure?
• Acute radiation exposure describes exposure to a high amount of radiation over a short period of time, with risk depending on dose. Which option best fits?
• TEDE stands for which term and describes the whole body dose from external and internal sources?
• What is a discrete radioactive particle?
• Derived Air Concentration (DAC) is defined as the concentration of radioactive material in air that would result in one ALI if breathed for how many hours?
• If your dosimeter is lost, alarming for any reason, damaged, or isn't working, you should?
• Which particle is negatively charged?
• What is the occupational TEDE dose limit?
• Activated Corrosion Products are best described as?
• Which document is a key tool for achieving ALARA goals?
• Which type is penetrating-high, shielding includes water, lead, steel, concrete, hazard dose to the entire body if exposed, found only in or near the operation reactor?
• Declared pregnant worker is defined as what?
• What is the purpose of a low dose waiting area posting?
• An area with a dose rate greater than 1000 mrem per hour at 30 cm from the source and kept locked to prevent inadvertent exposure is called which?
• The unit rem is used to express which of the following?
• What is the reactor coolant?
• Very High Radiation Areas are posted with which term?
• What describes how radioactive waste should be managed?
• Which of the following are used to designate contaminated areas?
• Genetic radiation refers to damage to reproductive cells that can be passed on to the next generation. Which option correctly defines this concept?
• Genetic effects are typically described as which of the following?
• Where do you wear the dosimeter?
• What distinguishes a Locked High Radiation Area from a High Radiation Area?
• Discrete radioactive particles originate from nuclear fuel and activated corrosion products.
• Which agency enforces dose limit compliance in NRC-regulated facilities?
• Which particle is positively charged?
• Which statement about postings in the low-dose waiting area is true?
• Which statement best distinguishes somatic from genetic effects?
• Committed Effective Dose Equivalent (CEDE) refers to exposure to internal organs from internal sources?
• Chronic radiation exposure is defined as exposure to a small amount of radiation over a long period of time with health risk. Which statement best summarizes this?
• Which statement best reflects the function of alarms and air sampling in plant radiological safety?
• What is the purpose of a Radiological Work Permit (RWP)?
• Radiological Work Permits (RWP) contain details about a radiologically controlled area (RCA) and are considered one of the most important tools for achieving ALARA goals.
• Which radiation requires shielding such as water, lead, steel, or concrete?
• Somatic effects include cancer, leukemia, and other sickness. Which option matches this description?
• Which term among the following best describes a substance that must be disposed of and may contaminate you on contact?
• Which term refers to the area where radioactive material is used, stored, and transferred?
• A High Radiation Area is defined as an accessible area where a person could receive a whole body dose greater than how many mrem in one hour at 30 cm?
• What does RCA stand for in radiological safety terms?
• What method measures radiation from wiping cloths or paper over a surface?
• Which dosimeter provides a permanent dose record and cannot be read by the user?
• Annual Limit on Intake (ALI) is the limit of radioactive material taken into the body that would result in the smaller of which dose terms?
• Which feature on a survey map shows the location of a smear sample?
• A room, enclosure, or area used for handling radioactive material is called which term?
• Which statement is true about radiological alarms in the plant?
• What does the survey map number inside a circle indicate?
• Who must read, understand, and agree to follow the rules before entering the RCA?
• Bioassays are analyzing samples of fecal material/ urine.
• When must NRC Form 4 be completed in relation to radiation exposure?
• Who performs a survey map to determine radiological hazards present in an area?
• Planned special exposure refers to what?
• Which items are included in the ALARA program?
• On the survey map, what does the dose rate or contact with the source symbol indicate?
• Which distance is used in the dose-rate criteria for Radiation Area definitions?
• What defines a Very High Radiation Area, and how are they posted?
• Which term describes non-radioactive material that becomes radioactive after exposure to neutron radiation?
• Which sample types are analyzed in bioassays to determine internal contamination?
• Which dosimeter is described as digital and provides an alarm at a certain dose?
• What is the smallest particle of an element?
• Which group is more sensitive to radiation exposure?
• What does SOP indicate on the survey map?
• Which factor directly increases a worker's radiation dose?
• Which term describes water that flows in and around a reactor?
• Rem (millirem) is used to measure what?
• In a power plant, what do 'plant components' refer to?
• Which type of radiation has high penetrating ability, shielding with lead, steel, and concrete, hazard highest due to penetrating ability and common occurrence in organs, and is found very common throughout the plant?
• Which type of radiation has penetrating-high, shielding by water, lead, steel, concrete, hazard dose to entire body if exposed, found only in or near operation reactor?
• Very High Radiation Area is posted with which word?
• What is the primary purpose of a survey map in radiological work?
• What does SRD stand for?
• Why do personnel contamination monitors (PCMs) better detect contamination than friskers?
• Which group is more sensitive to radiation exposure?
• What device measures the amount of radiation a person is exposed to?
• Which statement best describes radioactive waste?
• Which statement describes how RM in the body can be determined?
• In the context of survey maps, what does SOP stand for?
• What are radiological alarms used for in a plant?
• EXIT AREA WHEN which condition occurs?
• RCA stands for what in radiation protection context?
• What is a recommended approach to control contaminated tools, equipment, and materials?
• Which type of radiation has medium penetrating ability, shielding typically made of plastic or wood, hazards skin dose and dose to the lens of the eyes, and is found very common throughout the plant?
• A discrete radioactive particle that contacts skin could cause what risk?
• Which type of contamination is primarily associated with becoming airborne due to activities such as welding or grinding?
• Which of the following is a method to control contaminated tools, equipment, and materials?
• What is the annual dose limit for extremities?
• What is posted on Very High Radiation Areas and what is the sign?
• Where should SRD and DLR be worn relative to the body?
• The dose-threshold for a Radiation Area is defined at what distance from the source?
• What does posting in the low-dose waiting area communicate?
• What does a posting in the waiting area signify?
• Which term describes the positively charged subatomic particle that resides in the nucleus of an atom?
• Annual Limit on Intake (ALI) is the limit of radioactive material taken into the body that would result in the smaller of two dose measures: ?
• Biological effects refer to the effects of radiation on cells including no damage, damage and repair, cell death, mutation and survival. Which option correctly identifies this concept?
• Discrete radioactive particles originate from which sources?
• What does TEDE stand for?
• What is the equivalence between 2000 DAC and ALI?
• Radioactive Material Area is defined as which of the following?
• For work at heights over 7 feet above the floor, what action is recommended?
• Which term describes a localized source of radiation that is much greater than the general background level?
• Fixed contamination can become airborne as a result of which activity?
• What could happen if contamination is not controlled?
• Which statement best describes gamma radiation's penetrating capability?
• What does the acronym RCA stand for?
• Which statement best describes alpha radiation?
• Where do you wear the dosimeter?
• Which statement correctly describes the risk if you touch radioactive waste?
• SRD stands for?
• Which dosimeter routinely checks your dose, is digital, provides an alarm when a certain dose is reached, and is used to assess dose rate?
• Which method determines the amount and type of radioactivity in the body?
• Which type of radiation is penetrating-low and shielded by paper or clothing, hazard if inhaled or ingested?
• When extracting information from the RWP, which items are included?
• Genetic effects are best described as which of the following?
• Which statement describes the relationship of DAC to ALI?
• Which statement best describes the functions of a Radiological Work Permit (RWP)?
• Which monitor is used to monitor the entire body and is more sensitive to very low levels of radioactive material?
• Which statement best describes the consequences of violating posting rules or altering postings?
• What is the equivalence between DAC and ALI?
• Which radiation type has a hazard to the entire body when exposed?
• Which of the following represents methods used to limit internal disposition?
• RM, CM, and HRA on a survey map designate what categories?
• Which term is used to describe the posting indicating the lowest dose rate in the work area?
• Which type of contamination can be on clothing and become airborne by sweeping?
• When should you notify the RP about changes in radiological conditions?
• What are potential consequences of exceeding dose limits?
• Which particle has no electrical charge?
• Rem (millirem) measures what in radiation protection terms?
• Which term describes a negatively charged particle?
• Which practice most effectively reduces exposure to radiation?
• An accessible area in which a person could receive a dose of 500 rads in 1 hour at 1 meter is called which?
• Types of contamination include fixed, loose, and what else?
• On a survey map, what does a triangle indicate?
• Which statement correctly describes acute radiation exposure?
• Which dosimeter provides a temporary dose readout and can be read by the user?
• Which action constitutes a posting violation that could lead to penalties?
• Acute radiation exposure is exposure to a high amount of radiation over a short period. Which statement is true?
• Which statement about radioactive waste describes the risk if you come into contact with it?
• Which description defines a radiologically controlled area (RCA)?
• Which radiation hazard involves a dose to the entire body if exposed?
• Which methods are used to designate contaminated areas?
• If the work scope or radiological conditions change, which actions are required?
• Which of the following is a somatic effect of radiation exposure?
• Internal exposure routes occur through which pathways?
• On a survey map, what does a circle with a number inside indicate?
• Which shielding material is typical for beta radiation?
• What is the annual dose limit for skin exposure?
• Which statement about alpha radiation is true?
• On a survey map, which item indicates dose rate or contact with the source, with the lower number at 30 cm from the source?
• ALARA stands for what?
• Why do personnel contamination monitors do a better job than friskers at finding contamination?
• What is a Radiation Area?
• Which type of radiation is commonly found throughout the plant and has medium penetrating power?
• Which term represents the smallest unit of an element that retains its properties?
• What is a primary function of a Radiation Work Permit (RWP) in relation to entry into the Radiological Controlled Area (RCA)?
• RM is eliminated from the body by which processes?
• Radiography in progress refers to which description?
• Who should you contact if dose limits are approached?
• A smear is used to measure radiation from what?
• What is the primary purpose of the Radiation Work Permit (RWP) in radiological work?
• Radioactive contamination is typically measured in disintegration per minute (dpm) or counts per minute (cpm). Which of the following statements is true?
• Fixed contamination is characterized by which statement?
• Which document must be read, understood, and agreed to before entering the RCA?
• What is the smallest particle of an element?
• Which term describes biological samples used to assess internal contamination?
• Which action is most effective to reduce exposure?
• On a survey map, which symbol indicates the location of an air sample?
• Which units are used to measure radioactive contamination on surfaces?