NANTeL Radiation Worker Training Practice Test

These questions are part of the practice quiz. Start practicing

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