Radiation Syndrome Trivia Questions

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  • 1/100 Questions

    What term is used to identify the area of the target bombarded by electrons at any moment in time in an x-ray machine?

    • Field.
    • Parameter.
    • Focal spot.
    • Total distance.
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About This Quiz


Otherwise known as radiation toxicity, radiation syndrome is a health condition caused by exposure to radiation of the entire body or parts of the body. The quiz below gauges and advances your knowledge on this illness.

Radiation Syndrome Trivia Questions - Quiz

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  • 2. 

    Which radiation measuring device can operate in freeze mode and integrate mode?

    • RADeCO.

    • SAM 940.

    • Geiger-Mueller.

    • Victoreen 451P.

    Correct Answer
    A. Victoreen 451P.
    Explanation
    The Victoreen 451P is the correct answer because it is a radiation measuring device that can operate in both freeze mode and integrate mode. Freeze mode allows the device to capture and hold a reading, while integrate mode allows for the accumulation of radiation dose over a period of time. This makes the Victoreen 451P versatile and suitable for various radiation measurement applications.

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  • 3. 

    When conducting medical x-ray machine scatter radiation surveys, you recreate the scatter effect of the radiation by

    • Placing a one gallon plastic container filled with water in line with the beam.

    • Placing a one gallon plastic container filled with sand in line with the beam.

    • Placing a specially designed mannequin on the x-ray table.

    • Having an x-ray technician lie down on the x-table.

    Correct Answer
    A. Placing a one gallon plastic container filled with water in line with the beam.
    Explanation
    When conducting medical x-ray machine scatter radiation surveys, placing a one gallon plastic container filled with water in line with the beam is an effective method to recreate the scatter effect of the radiation. Water has similar scattering properties to human tissues, making it a suitable substitute. This allows for accurate measurements and assessment of the scatter radiation levels produced by the x-ray machine.

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  • 4. 

    Radioactive material located in unintended places is the definition of

    • Irradiation.

    • Radioactivity.

    • Radiation exposure.

    • Radioactive contamination.

    Correct Answer
    A. Radioactive contamination.
    Explanation
    Radioactive contamination refers to the presence of radioactive material in unintended places. It occurs when radioactive substances are released or spilled into the environment, leading to the contamination of surfaces, objects, or living organisms. This can pose significant health risks as exposure to radioactive materials can cause damage to cells and tissues, leading to various health issues. Therefore, the correct answer is radioactive contamination.

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  • 5. 

    Coveralls and gloves will prevent what type of radiation from potentially harming a person’s skin?

    • Photon.

    • Neutron.

    • Alpha and beta.

    • Gamma and x-ray.

    Correct Answer
    A. Alpha and beta.
    Explanation
    Coveralls and gloves are protective clothing that can prevent the penetration of alpha and beta particles, which are types of radiation. These particles are typically emitted by radioactive materials and can cause harm to the skin if they come into contact with it. Therefore, wearing coveralls and gloves can provide a physical barrier, preventing alpha and beta radiation from reaching and harming a person's skin.

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  • 6. 

    Who is responsible for enrolling personnel into the dosimetry program and determining the type of external monitoring required?

    • Base Safety.

    • Workplace supervisor.

    • Squadron Commander.

    • Bioenvironmental Engineering.

    Correct Answer
    A. Bioenvironmental Engineering.
    Explanation
    Bioenvironmental Engineering is responsible for enrolling personnel into the dosimetry program and determining the type of external monitoring required. They are experts in assessing and managing environmental factors that may affect human health. In the context of dosimetry, they have the knowledge and expertise to determine the appropriate monitoring methods and equipment needed to measure and assess radiation exposure. This responsibility falls under their domain as they are trained to ensure the safety and well-being of personnel in relation to environmental hazards.

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  • 7. 

    Radioactive materials are cleared from the body at a predictable rate; this is known as

    • Radioactive decay.

    • Effective half-life.

    • Biological half-life.

    • Radioactive half-life.

    Correct Answer
    A. Biological half-life.
    Explanation
    Radioactive materials are cleared from the body at a predictable rate, which is known as the biological half-life. This refers to the time it takes for half of the radioactive material to be eliminated from the body through natural processes such as metabolism or excretion. The biological half-life varies depending on the specific radioactive substance and can be used to determine the duration of potential health risks associated with exposure to radiation.

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  • 8. 

    What types of cells are most easily damaged by ionizing radiation?

    • Bone.

    • Blood.

    • Nerve.

    • Muscle.

    Correct Answer
    A. Blood.
    Explanation
    Ionizing radiation can cause damage to cells by breaking chemical bonds and producing reactive oxygen species. Blood cells, specifically the rapidly dividing cells in the bone marrow, are highly sensitive to radiation because they are constantly dividing and renewing. This makes them more susceptible to DNA damage and cell death caused by ionizing radiation. Additionally, blood cells play a crucial role in the immune system and oxygen transport, making their damage particularly detrimental to overall health.

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  • 9. 

    Which dosimeter should be used to evaluate exposures to the head and lens of the eye?

    • Collar.

    • Neutron.

    • Extremity.

    • Whole body.

    Correct Answer
    A. Collar.
    Explanation
    The collar dosimeter should be used to evaluate exposures to the head and lens of the eye because it is specifically designed to measure radiation doses in these areas. The collar dosimeter is worn around the neck, close to the head, and provides accurate readings of radiation exposure to the head and lens of the eye. This dosimeter is particularly important in situations where there is a higher risk of radiation exposure to these sensitive areas, such as in medical imaging procedures or certain occupational settings.

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  • 10. 

    Each work area being monitored is required to have how many control dosimeters?

    • Only one.

    • Amount is based on number of workers assigned.

    • One for each dosimeter type used within the area.

    • Amount is determined by the Installation Radiation Safety Officer.

    Correct Answer
    A. One for each dosimeter type used within the area.
    Explanation
    The correct answer is "One for each dosimeter type used within the area." This means that each work area being monitored should have a control dosimeter for each type of dosimeter that is being used within that area. This ensures that accurate measurements can be taken for each type of radiation being monitored in the area.

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  • 11. 

    Where on their body should you instruct emergency response personnel to place the EPDMk2?

    • On their collar, inside of any PPE.

    • On their collar, outside of any PPE.

    • On their front torso area, inside of any PPE.

    • On their front torso area, outside of any personal protective equipment (PPE).

    Correct Answer
    A. On their front torso area, outside of any personal protective equipment (PPE).
    Explanation
    The EPDMk2 should be placed on the front torso area, outside of any personal protective equipment (PPE). Placing it on the collar, inside or outside of PPE, may not be visible or easily accessible in emergency situations. By placing it on the front torso area, outside of PPE, it ensures that the emergency response personnel can quickly and easily locate and access the EPDMk2 for immediate assistance.

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  • 12. 

    You’ve been called by the base fire chief to conduct air sampling for suspected radiological particles in the air. What piece of sampling equipment should you get ready?

    • Victoreen.

    • EPD Mk2.

    • RADeCO.

    • ADM–300.

    Correct Answer
    A. RADeCO.
    Explanation
    The correct answer is RADeCO. RADeCO is a company that specializes in providing equipment for radiological monitoring and detection. In this scenario, the base fire chief suspects the presence of radiological particles in the air, so it is appropriate to use sampling equipment specifically designed for this purpose. RADeCO is a reliable choice for conducting air sampling in such situations.

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  • 13. 

    Your role in the ionizing radiation quality assurance program is to

    • Verify the training of all x-ray technicians.

    • Evaluate the direct output of x-ray machines.

    • Verify that the direct output of x-ray machines has been evaluated.

    • Perform scatter surveys on medical x-ray units to ensure all personnel are not exposed to unnecessary radiation.

    Correct Answer
    A. Perform scatter surveys on medical x-ray units to ensure all personnel are not exposed to unnecessary radiation.
    Explanation
    The correct answer is to perform scatter surveys on medical x-ray units to ensure all personnel are not exposed to unnecessary radiation. This role involves conducting surveys to assess the scatter radiation levels in medical x-ray units. The purpose of these surveys is to ensure that all personnel working with the x-ray machines are not exposed to excessive radiation, which can be harmful to their health. By performing these surveys, the ionizing radiation quality assurance program aims to maintain a safe working environment for the x-ray technicians and minimize the risk of radiation-related health issues.

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  • 14. 

    Nuclear fission involves which process?

    • Chemically bonding two atoms using helium.

    • Merging two smaller atoms into one larger atom.

    • Forcing atoms to vibrate at incredibly high speeds.

    • Splitting the nucleus of an atom into smaller fragments.

    Correct Answer
    A. Splitting the nucleus of an atom into smaller fragments.
    Explanation
    Nuclear fission is the process of splitting the nucleus of an atom into smaller fragments. This process releases a large amount of energy. Chemically bonding two atoms using helium, merging two smaller atoms into one larger atom, and forcing atoms to vibrate at incredibly high speeds are not accurate descriptions of nuclear fission.

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  • 15. 

    Most damage from the nuclear detonation comes from

    • The fireball.

    • The blast wave.

    • Initial radiation.

    • Fallout radiation.

    Correct Answer
    A. The blast wave.
    Explanation
    The blast wave is the correct answer because it is responsible for causing the most damage from a nuclear detonation. The blast wave is a powerful shockwave that radiates outwards from the explosion, causing destruction to buildings, infrastructure, and human bodies. It can create immense pressure and winds, leading to widespread devastation in the surrounding area. While the fireball, initial radiation, and fallout radiation are all dangerous components of a nuclear explosion, the blast wave is the primary source of destruction and loss of life.

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  • 16. 

    What is a radiological exposure device (RED)?

    • A Regular explosive laced with lower-grade radioactive material.

    • A device intended to expose people to significant does of ionizing radiation without their knowledge.

    • An illicit nuclear weapon bought, stolen or otherwise obtained that produces a nuclear explosion.

    • A device in which the nuclear yield produces extreme heat, powerful shockwaves, prompt radiation and radioactive fallout.

    Correct Answer
    A. A device intended to expose people to significant does of ionizing radiation without their knowledge.
    Explanation
    A radiological exposure device (RED) refers to a device that is designed to expose people to significant doses of ionizing radiation without their knowledge. This means that individuals may be unknowingly exposed to harmful radiation, which can have adverse health effects. It is important to be aware of such devices and take necessary precautions to prevent exposure.

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  • 17. 

    When performing external decontamination of patients at the site, what would be the next recommendation to ensure contamination is not spread?

    • Transport patient to hospital.

    • Perform treatment in the field.

    • Remove all contaminated clothing.

    • Closely monitor patient.

    Correct Answer
    A. Remove all contaminated clothing.
    Explanation
    To ensure that contamination is not spread, the next recommendation would be to remove all contaminated clothing. This is important because contaminated clothing can continue to spread harmful substances or pathogens, increasing the risk of contamination to others. By removing the clothing, the source of potential contamination is eliminated, reducing the chances of further spread.

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  • 18. 

    When recommending contamination control procedures for deceased personnel, make sure that decontamination procedures and remains are handled

    • Hastily.

    • Slowly.

    • With dignity.

    • With technical prowess.

    Correct Answer
    A. With dignity.
    Explanation
    When recommending contamination control procedures for deceased personnel, it is important to handle the decontamination procedures and remains with dignity. This means treating the deceased individual with respect and sensitivity, ensuring that their remains are handled in a dignified manner. This includes following proper protocols and procedures to maintain the dignity of the deceased and their family members.

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  • 19. 

    Who interviews the workplace supervisor and enrolled individual when investigating an abnormal exposure to determine its cause?

    • MAJCOM BE.

    • Base Ground Safety.

    • Squadron Commander and Base Safety.

    • Installation Radiation Safety Officer.

    Correct Answer
    A. Installation Radiation Safety Officer.
    Explanation
    The Installation Radiation Safety Officer is responsible for conducting investigations into abnormal exposures to determine their cause. This includes interviewing both the workplace supervisor and the enrolled individual involved in the incident. They have the expertise and knowledge to assess radiation safety protocols and identify any potential breaches or errors that may have led to the exposure. This role is crucial in ensuring the safety of personnel and preventing future incidents.

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  • 20. 

    Which type of dosimeter must be worn by all personnel enrolled in the Dosimetry program regardless of other types of dosimeters worn?

    • Collar.

    • Neutron.

    • Extremity.

    • Whole body.

    Correct Answer
    A. Whole body.
    Explanation
    All personnel enrolled in the Dosimetry program must wear a whole body dosimeter regardless of any other dosimeters they may be wearing. This is because a whole body dosimeter measures the radiation dose received by the entire body, providing an overall assessment of radiation exposure. Other types of dosimeters, such as collar, neutron, or extremity dosimeters, may be worn to measure specific areas or types of radiation, but a whole body dosimeter is necessary to ensure comprehensive monitoring of radiation exposure.

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  • 21. 

    Which particle is considered the most ionizing?

    • Positron.

    • Electron.

    • Alpha

    • Beta.

    Correct Answer
    A. Alpha
    Explanation
    Alpha particles are considered the most ionizing because they are relatively large and carry a double positive charge. This means that they have a high mass and energy, allowing them to collide with and remove electrons from atoms more easily than other particles. As a result, alpha particles cause more ionization and damage to biological tissues, making them more harmful than other types of radiation.

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  • 22. 

    Which term is the most often seen exposure unit for ionizing radiation?

    • Curie.

    • Coulomb.

    • Roentgen.

    • Becquerel.

    Correct Answer
    A. Roentgen.
    Explanation
    The most often seen exposure unit for ionizing radiation is the Roentgen. The Roentgen is a unit of measurement for the amount of ionizing radiation that causes the ionization of one cubic centimeter of air. It is commonly used in the field of radiology and radiation protection to quantify the amount of radiation exposure. The other options, Curie, Coulomb, and Becquerel, are units of measurement for radioactivity and do not directly measure the amount of ionizing radiation exposure.

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  • 23. 

    Which type of cells, if genetically altered by ionizing radiation, might the offspring of the individual carrying the mutation could also have this alteration?

    • Stem.

    • Somatic.

    • Lactotrope.

    • Reproductive.

    Correct Answer
    A. Reproductive.
    Explanation
    If a person's reproductive cells (eggs or sperm) are genetically altered by ionizing radiation, the mutation can be passed on to their offspring. This is because reproductive cells carry the genetic information that is passed on to the next generation. Stem cells, somatic cells, and lactotrope cells do not contribute to the genetic material of the offspring, so any genetic alteration in these cells would not be inherited by the next generation.

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  • 24. 

    When investigating an abnormal exposure to ionizing radiation, which action takes place during the interview the worker step?

    • Validating the exposure.

    • Identifying corrective action.

    • Determining the portion of the body exposed.

    • Exploring potential causes for the exposure.

    Correct Answer
    A. Exploring potential causes for the exposure.
    Explanation
    During the interview with the worker, the action of exploring potential causes for the exposure takes place. This step involves gathering information from the worker regarding their work activities, equipment used, and any potential incidents or accidents that may have led to the exposure. By exploring these potential causes, investigators can identify the root cause of the abnormal exposure to ionizing radiation and take appropriate corrective actions to prevent future incidents.

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  • 25. 

    When surveying a fatality at the field morgue after decontamination, it is observed that the contamination cannot be removed after decontamination. What should be the next course of action?

    • Do nothing.

    • Isolate and shield the body.

    • Decontaminate again.

    • Transport regular morgue.

    Correct Answer
    A. Isolate and shield the body.
    Explanation
    After decontamination, if it is observed that the contamination cannot be removed, the next course of action should be to isolate and shield the body. This is necessary to prevent the spread of contamination to other areas or individuals. Transporting the body to a regular morgue without proper isolation and shielding could pose a risk to others. Therefore, isolating and shielding the body is the most appropriate action to ensure the safety of everyone involved.

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  • 26. 

    During the process of radioactive decay, what is another name for the electromagnetic force that causes protons to tear apart the nucleus of the atom?

    • Coulomb.

    • Positron.

    • Isomeric

    • Transformation.

    Correct Answer
    A. Coulomb.
    Explanation
    The correct answer is Coulomb. During the process of radioactive decay, the electromagnetic force that causes protons to tear apart the nucleus of the atom is referred to as the Coulomb force. This force is responsible for the repulsion between positively charged protons in the nucleus, leading to the instability and eventual decay of the atom.

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  • 27. 

    Which type of radiation poses the most serious external hazard because of its high penetrating ability?

    • Beta.

    • Gamma.

    • Alpha.

    • Positron.

    Correct Answer
    A. Gamma.
    Explanation
    Gamma radiation poses the most serious external hazard because of its high penetrating ability. Unlike alpha and beta radiation, gamma radiation consists of high-energy photons that can easily pass through materials and penetrate deep into the body. This makes gamma radiation extremely dangerous as it can cause damage to cells and tissues, leading to various health effects such as radiation sickness, DNA damage, and an increased risk of cancer.

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  • 28. 

    What role does the collimator play in x-ray production?

    • Reduces scatter radiation.

    • Filters out lower energy photons.

    • Slows down the eventual burnout of the tube head.

    • Increases the number of electrons fired from the filament.

    Correct Answer
    A. Reduces scatter radiation.
    Explanation
    The collimator in x-ray production plays a role in reducing scatter radiation. Scatter radiation occurs when the x-ray beam interacts with the patient's body, causing the photons to change direction. This can lead to a decrease in image quality and an increase in radiation exposure for both the patient and the operator. The collimator helps to limit the spread of the x-ray beam, directing it towards the desired area and reducing scatter radiation.

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  • 29. 

    Which gas ionization instrument would you use if you were interested in measuring relatively high exposure rates of gamma or x-rays?

    • Victoreen 451P.

    • Photomultiplier tube.

    • Proportional counter.

    • Geiger-Mueller detector.

    Correct Answer
    A. Victoreen 451P.
    Explanation
    The Victoreen 451P is the correct answer because it is a gas ionization instrument specifically designed for measuring relatively high exposure rates of gamma or x-rays. This instrument is known for its accuracy and reliability in detecting and measuring ionizing radiation. It is commonly used in fields such as nuclear power plants, medical facilities, and industrial settings where there is a need to monitor and measure high levels of radiation exposure.

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  • 30. 

    What is the total surface area covered during a swipe sample of a sealed radiological source?

    • 10 square centimeters.

    • 30 square centimeters.

    • 100 square centimeters.

    • 300 square centimeters.

    Correct Answer
    A. 100 square centimeters.
    Explanation
    During a swipe sample of a sealed radiological source, the total surface area covered refers to the area that is swiped or wiped by the sampling device. The correct answer of 100 square centimeters suggests that during the swipe sample, a surface area of 100 square centimeters is covered by the sampling device.

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  • 31. 

    When monitoring a radioactive material shipment for external levels of radiation, at what distance from the surface of the package are readings taken?

    • 100 centimeters.

    • 50 centimeters.

    • 20 centimeters.

    • 10 centimeters.

    Correct Answer
    A. 10 centimeters.
    Explanation
    When monitoring a radioactive material shipment for external levels of radiation, readings are taken at a distance of 10 centimeters from the surface of the package. This distance is chosen because it allows for accurate measurement of radiation levels while still maintaining a safe distance from the source. Taking readings at a closer distance could expose the person taking the measurements to higher levels of radiation, while taking readings at a further distance may result in less accurate measurements. Therefore, 10 centimeters is the optimal distance for monitoring external radiation levels.

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  • 32. 

    What section recycles and disposes of radioactive waste and mixed waste generated by Air Force operations?

    • Nuclear Regulatory Commission.

    • Air Force Medical Support Agency.

    • USAFSAM Radioanalytical Laboratory.

    • Air Force Radioactive Recycle and Disposal office.

    Correct Answer
    A. Air Force Radioactive Recycle and Disposal office.
    Explanation
    The Air Force Radioactive Recycle and Disposal office is responsible for recycling and disposing of radioactive waste and mixed waste generated by Air Force operations. This office ensures that these hazardous materials are handled and disposed of safely and in compliance with regulations. They play a crucial role in managing the environmental impact of Air Force activities involving radioactive materials. The other options, such as the Nuclear Regulatory Commission, Air Force Medical Support Agency, and USAFSAM Radioanalytical Laboratory, do not specifically deal with the recycling and disposal of radioactive waste.

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  • 33. 

    Regarding contamination control, what types of materials should be used in order to reduce tracking and to aid in cleanup tasks?

    • Reusable.

    • Permanent.

    • Disposable.

    • Sterile.

    Correct Answer
    A. Disposable.
    Explanation
    In order to reduce tracking and aid in cleanup tasks, disposable materials should be used. This is because disposable materials can be easily discarded after use, preventing any potential contamination from being spread. Reusable materials, on the other hand, may harbor contaminants and can contribute to tracking. Permanent materials are not suitable for cleanup tasks as they cannot be easily removed or replaced. Sterile materials are important for maintaining a clean and sterile environment but may not necessarily aid in reducing tracking or facilitating cleanup tasks.

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  • 34. 

    Bioenvironmental Engineering (BE) personnel have been given the task of monitoring the contamination levels on the ground in and around a Broken Arrow. Preliminary results from ambient air monitoring indicate the airborne concentration of Alpha activity is 525 dpm/m3 above background. As an entry team leader, what respiratory protection level should be recommended?

    • No respiratory protection needed.

    • Half-face HEPA respirator.

    • Full-face HEPA respirator.

    • Self-contained breathing apparatus (SCBA).

    Correct Answer
    A. Full-face HEPA respirator.
    Explanation
    Given that the preliminary results indicate an airborne concentration of Alpha activity that is above background levels, it is necessary to recommend a respiratory protection level. A Full-face HEPA respirator would be the most appropriate choice as it provides a higher level of protection compared to a Half-face HEPA respirator. A Full-face HEPA respirator covers both the mouth and nose, ensuring that the wearer is protected from inhaling any contaminants. This level of protection is necessary when monitoring contamination levels on the ground, as the risk of exposure to harmful substances is higher. A Self-contained breathing apparatus (SCBA) may be considered too excessive for this situation, as it is typically used in more hazardous and extreme environments.

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  • 35. 

    Because most radiation work exposures are very small, the exposure rate most often used is

    • Coulomb per kg.

    • Roentgen per hour.

    • Milliroentgen per hour.

    • Disintegrations per second.

    Correct Answer
    A. Milliroentgen per hour.
    Explanation
    The correct answer is milliroentgen per hour. This is because most radiation work exposures are very small and therefore it is more appropriate to use a smaller unit of measurement, such as milliroentgen, to accurately quantify the exposure rate. Additionally, using the unit per hour allows for a standardized measurement over a specific time period, which is important when monitoring and assessing radiation exposure in the workplace.

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  • 36. 

    Who sets the value for the investigation action level as part of the as low as reasonably achievable (ALARA) program?

    • Installation radiation safety officer (IRSO).

    • Installation Commander.

    • Radioisotope Committee.

    • Nuclear Regulatory Commission.

    Correct Answer
    A. Installation radiation safety officer (IRSO).
    Explanation
    The installation radiation safety officer (IRSO) is responsible for setting the value for the investigation action level as part of the as low as reasonably achievable (ALARA) program. This officer is in charge of ensuring radiation safety within the installation and has the knowledge and expertise to determine the appropriate level at which investigations should be conducted to minimize radiation exposure. The IRSO plays a crucial role in maintaining a safe working environment and implementing ALARA principles to protect individuals from unnecessary radiation exposure.

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  • 37. 

    Which scenario would be a proper time to use the stay time calculation?

    • Determine amount of time an NDI technician can safely work.

    • Determine amount of time an Airman can work in a BROKEN ARROW site.

    • Determine the number of X-rays a technician can safely perform.

    • Determine the amount of leak tests a BE technician can safely perform.

    Correct Answer
    A. Determine amount of time an Airman can work in a BROKEN ARROW site.
    Explanation
    The stay time calculation would be a proper time to use when determining the amount of time an Airman can work in a BROKEN ARROW site. This calculation helps in assessing the safe duration for an Airman to work in a hazardous environment, such as a BROKEN ARROW site. It takes into account various factors like the level of danger, exposure to harmful substances, and the individual's physical and mental capabilities to determine a safe time limit for their work.

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  • 38. 

    The only documented health effect from exposure to the airborne radon and its decay products are an increased risk of

    • Emphysema.

    • Lung cancer.

    • Pancreatic cancer.

    • Thyroid nodular disease.

    Correct Answer
    A. Lung cancer.
    Explanation
    Exposure to airborne radon and its decay products has been linked to an increased risk of lung cancer. Radon is a radioactive gas that is released from the ground and can accumulate in enclosed spaces, such as homes. When radon is inhaled, it can damage the cells lining the lungs, leading to the development of lung cancer over time. Other health effects, such as emphysema, pancreatic cancer, and thyroid nodular disease, have not been conclusively linked to radon exposure. Therefore, the correct answer is lung cancer.

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  • 39. 

    Which statement best describes an alpha particle?

    • Heavy and fast.

    • Heavy and slow.

    • Light and fast.

    • Light and slow.

    Correct Answer
    A. Heavy and slow.
    Explanation
    An alpha particle is a type of particle that consists of two protons and two neutrons, making it heavy compared to other particles. It is also relatively slow-moving compared to other particles. This is because alpha particles have a positive charge and are attracted to negatively charged particles, causing them to move at a slower speed. Therefore, the statement "Heavy and slow" best describes an alpha particle.

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  • 40. 

    Once dosimeters are collected after the monitoring period and disassembled, what two things must be compared to account for all issued dosimeters?

    • Thermoluminescent dosimeter (TLD) number and the Listing 1523.

    • TLD shipping holder and TLD number.

    • Shipping document and TLD number.

    • Listing 1499 and shipping document.

    Correct Answer
    A. Thermoluminescent dosimeter (TLD) number and the Listing 1523.
    Explanation
    After the monitoring period, the dosimeters are collected and disassembled. To ensure that all issued dosimeters are accounted for, two things need to be compared: the TLD number (which is a unique identifier for each dosimeter) and the Listing 1523 (which likely contains a record of all the dosimeters that were issued). By comparing these two, it can be determined if any dosimeters are missing or if there are any discrepancies in the records.

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  • 41. 

    What type of testing do you conduct on unsealed radiation sources?

    • Leak.

    • Air.

    • Swipe.

    • Bulk.

    Correct Answer
    A. Swipe.
    Explanation
    The correct answer is "Swipe". When conducting testing on unsealed radiation sources, swipe testing is performed. This involves using a swipe or wipe to collect samples from surfaces that may have been contaminated with radioactive material. These samples are then analyzed to determine if any radiation is present. This type of testing is important to ensure that there are no leaks or spills of radioactive material, which could pose a risk to individuals or the environment.

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  • 42. 

    The primary source for depleted uranium intake by the general public is

    • Transport aircraft.

    • Food and drinking water.

    • Uranium mining facilities.

    • Areas where depleted uranium munitions have been used.

    Correct Answer
    A. Food and drinking water.
    Explanation
    The correct answer is food and drinking water. Depleted uranium can enter the environment through various sources such as industrial emissions, mining activities, and the use of depleted uranium munitions. However, the primary source of depleted uranium intake by the general public is through the consumption of contaminated food and drinking water. This is because depleted uranium particles can settle on soil and water bodies, which can then be absorbed by crops and animals. Consequently, when people consume these contaminated food and water sources, they can be exposed to depleted uranium.

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  • 43. 

    Medical countermeasures that are approved to treat known or suspected internal contamination with plutonium, americium or curium are known as:

    • Chelating agents.

    • Chelating solutions.

    • Elimination agents.

    • Elimination solutions.

    Correct Answer
    A. Chelating agents.
    Explanation
    Chelating agents are substances that can bind to heavy metals such as plutonium, americium, or curium and help remove them from the body. These agents work by forming stable complexes with the metals, which can then be excreted through urine or feces. Chelating solutions and elimination agents or solutions are not specific terms used in the context of treating internal contamination with these specific radioactive elements. Therefore, the correct answer is chelating agents.

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  • 44. 

    What can be used to classify a neutron?

    • Size.

    • Heat.

    • Speed.

    • Weight.

    Correct Answer
    A. Speed.
    Explanation
    Neutrons can be classified based on their speed. Speed refers to the velocity at which the neutrons are moving. Neutrons can have different speeds depending on their energy levels. This classification is important in various scientific fields, such as nuclear physics and materials science, as it helps in understanding the behavior and interactions of neutrons with other particles and materials.

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  • 45. 

    The linear energy transfer (LET) of a beta particle is lower than that of an alpha particle because of its

    • Larger mass and higher speed.

    • Larger mass and slower speed.

    • Smaller mass and higher speed.

    • Smaller mass and slower speed.

    Correct Answer
    A. Smaller mass and higher speed.
    Explanation
    The linear energy transfer (LET) of a particle refers to the amount of energy transferred per unit length as it passes through a medium. In the case of beta particles, they have a smaller mass compared to alpha particles and they also travel at higher speeds. Both of these factors contribute to a lower LET for beta particles. The smaller mass means that beta particles have less momentum and are less likely to cause significant damage to the medium they pass through. Additionally, the higher speed of beta particles means that they spend less time interacting with the medium, resulting in a lower energy transfer per unit length.

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  • 46. 

    Acute radiation syndrome typically occurs when the radiation dose exceeds

    • 0.01 Gy (1 rad).

    • 0.1 Gy (10 rad).

    • 1 Gy (100 rad).

    • 100 Gy (10,000 rad).

    Correct Answer
    A. 1 Gy (100 rad).
    Explanation
    Acute radiation syndrome is a condition that occurs when a person is exposed to high levels of radiation. The severity of the syndrome depends on the dose of radiation received. In this case, the correct answer is 1 Gy (100 rad), which means that acute radiation syndrome typically occurs when the radiation dose exceeds 1 Gy or 100 rad.

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  • 47. 

    Who is typically given the responsibility of operating the USAF Personnel Dosimetry Program?

    • Bioenvironmental Engineering (BE) journeyman.

    • BE senior noncommissioned officer (NCO)..

    • Base radiation safety officer (RSO).

    • Public health craftsman.

    Correct Answer
    A. Bioenvironmental Engineering (BE) journeyman.
    Explanation
    A Bioenvironmental Engineering (BE) journeyman is typically given the responsibility of operating the USAF Personnel Dosimetry Program. This individual is trained in the field of bioenvironmental engineering and has the necessary knowledge and skills to handle the dosimetry program effectively. They are responsible for monitoring and assessing radiation exposure levels for personnel in the United States Air Force.

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  • 48. 

    When swipe testing a radiological source, what is the first step after you have prepared the field blank?

    • Apply a few drops of deionized (DI) water so the wipe is damp but not soaked.

    • Place a small X in pencil on the outer edge of the filter paper on the side to touch the source.

    • Check the filter paper with an ADM 300 with probe or an instrument capable of measuring beta/gamma to establish background reading.

    • In a slow back and forth “S” motion applying moderate pressure, swipe an area of 100 cm2.

    Correct Answer
    A. Place a small X in pencil on the outer edge of the filter paper on the side to touch the source.
    Explanation
    After preparing the field blank, the first step is to place a small X in pencil on the outer edge of the filter paper on the side to touch the source. This is done to mark the specific area that will come into contact with the radiological source during the swipe test. By marking the filter paper, it ensures that the correct area is being tested and allows for accurate measurement of any contamination present on the surface.

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  • 49. 

    What effect does the inverse square law have on a person’s exposure to radiation?

    • Moving away double the distance from a point source reduces the exposure by a factor of 4.

    • Moving away double the distance from a point source reduces the exposure by a factor of 2.

    • Moving away 1/2 the distance from a point source reduces the exposure by a factor of 1/2.

    • Moving away 1/3 distance from a point source reduces the exposure by a factor of 1/3.

    Correct Answer
    A. Moving away double the distance from a point source reduces the exposure by a factor of 4.
    Explanation
    The inverse square law states that the intensity of radiation decreases as the square of the distance from the source increases. This means that moving away double the distance from a point source will result in the intensity of radiation being reduced by a factor of 4. This is because the intensity is inversely proportional to the square of the distance.

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  • Jul 19, 2024
    Quiz Edited by
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    Quiz Created by
    Fatal16
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