Safety Registry Practice Test

These questions are part of the practice quiz. Start practicing

• Which of the following is a leading indicator of safety performance?
• What is the difference between a hazard and a risk?
• Within what percentage of SID must the collimator light and the actual irradiated area be accurate?
• How does added filtration affect the average energy of an X-ray beam?
• The SSD in mobile fluoroscopy must be at least how many centimeters?
• Which of the following is not one of the three types of personal radiation monitors listed for monthly exposure?
• Which population group is most radiosensitive?
• Which interaction is most associated with high-atomic-number materials during x-ray interactions?
• The federally required minimum lead equivalent for lead aprons is ___.
• No safe dose of ionizing radiation refers to which concept?
• What is the minimum lead equivalent required for a fluoroscopic protective curtain?
• Which safety practice helps minimize patient dose by restricting the exposure field to the area of clinical interest?
• During fluoroscopic examinations, where should the Bucky tray be located?
• Which major interaction between x-ray photons and tissue cells poses a radiation hazard to personnel?
• Define a permit-required confined space (PRCS).
• Which interaction with matter contributes most to the absorption characteristics of the x-ray image?
• Which dosimeter may be used to obtain an immediate reading?
• In dose calculations, Wt stands for tissue weighting factor; Wr stands for what?
• Lead shielding for fluoroscopy is typically quantified in units of millimeters of lead equivalent. Which value is commonly used?
• Which combination of dosimeters is used for recording monthly exposure?
• All electromagnetic radiations travel at the same speed in vacuum.
• Which dose descriptor is used to estimate hereditary genetic risk at the population level?
• What does a Safety Audit typically assess that a simple safety inspection does not?
• What is the purpose of an excavations protective system?
• In an x-ray tube, which component directs the electron beam toward the focal spot on the anode?
• What are typical steps in a basic spill response procedure?
• Which example shows a linear nonthreshold dose-response relationship?
• To ensure continued reliability and effectiveness of protective aprons, they should NOT be stored ___.
• Besides electrical energy, which energy source may be addressed in Lockout/Tagout programs?
• Which item is not a beam restrictor?
• Which statement best describes the purpose of maintaining up-to-date safety documentation in a Safety Registry?
• Which description characterizes effects that have a threshold dose below which the effect does not occur and above which severity increases?
• LET stands for
• The fluoroscopy timer must provide signal after how much fluoroscopic time has elapsed?
• Which is NOT considered one of the cardinal principles of radiation protection for personnel?
• The NCRP-recommended annual occupational dose limit for localized areas of the skin, hands, and feet is
• At 100 kV, a 0.5-mm Pb equivalent apron attenuates what percentage of the scattered beam?
• Name a responsibility of a competent person in scaffold safety.
• Which standard is commonly used to guide electrical safety and arc flash hazard analysis in the U.S.?
• What statement about PPE is correct within the Hierarchy of Controls?
• A typical requirement for ladder safety is to...
• In which interaction does the incident photon lose up to one-third of its energy?
• Which statement best describes the Linear No-Threshold (LNT) model?
• Which major interaction is primarily responsible for scattered radiation fog in imaging?
• Which statement about the air gap technique is true?
• Under the inverse square relationship, doubling the distance from the source results in the exposure becoming:
• What is the LD50/30 for adult humans?
• Which statement best describes the path of x-ray photons through matter?
• Which components are typically part of a fall arrest system?
• What effect does the presence of oxygen have on radiosensitivity?
• Near-miss reporting is especially valuable because:
• Which of the following is a common ergonomic risk factor in office settings?
• Which of the following is NOT considered one of the three cardinal principles of radiation safety?
• In a PN junction diode, forward bias occurs when which of the following is true?
• What is the purpose of an incident investigation report?
• What is the name of the badge used to determine whether personnel monitors were irradiated during transit?
• What outcome is described as a result of the air gap technique?
• Why is heat stress prevention important in safety programs?
• Which practice improves safety culture and employee engagement?
• The NCRP-recommended annual dose limit for the thyroid is
• Which practice is part of a forklift safety program?
• How should organizations handle chemical spill cleanup to minimize exposure?
• The individual that receives and reviews personnel monitoring reports for safety compliance is the
• Spill response debrief in incident investigation should typically be conducted to identify lessons learned. Which option best describes this step?
• Rank the five levels of the Hierarchy of Controls from most to least effective.
• In which interaction is the average energy of the photon approximately one-third of the kilovolt peak (kVp) selected at the control panel?
• What does GHS stand for and what are its two main components used in the workplace?
• What unit is used to describe ionization in air?
• Which document summarizes a facility's exposure to workplace hazards and is used for annual reporting?
• Which organization provides the recommended annual dose limits cited in this material?
• How is the energy of the diagnostic x-ray beam described?
• Which interaction between x-ray photons and matter involves the greatest dose to the patient in diagnostic imaging?
• The photoelectric effect is more likely to occur in tissue with which property?
• Which interaction is more likely to produce short-scale image contrast in diagnostic radiography?
• Which energy sources are commonly addressed in Lockout/Tagout programs?
• Which of the following would most likely result in the greatest skin dose?
• Which interaction dominates at moderate x-ray energies and tends to scatter photons?
• What is a Permit to Work system and when is it typically used?
• Which item is a critical factor in crane and rigging safety?
• What is the purpose of a Safety Data Sheet (SDS) and where should it be readily accessible?
• Which statement correctly identifies the three types of personal radiation monitors listed?
• ALARA stands for which principle, used in which safety domain?
• In respiratory protection programs, what does APF stand for and what does it indicate?
• What is described as a measure of the rate at which energy is transferred from ionizing radiation to soft tissue?
• The type of personnel monitor that uses lithium fluoride and is heated to read out is called a thermoluminescent dosimeter.
• Which of the following is a stochastic effect of ionizing radiation?
• What should be included in a hazard communication training session?
• A 1-mm Pb flat contact shield reduces dose to female reproductive organs by about what percent?
• The energy of the diagnostic x-ray beam is described as which of the following?
• Name two root-cause analysis methods commonly used in incident investigations.
• A pregnant radiographer's gestational fetal exposure must not exceed what amount in one month?
• Which weighting factors are used to determine the Sievert?
• Which option is an engineering control in the Hierarchy of Controls?
• Which statement best describes the purpose of a Safety Data Sheet (SDS)?
• Bremsstrahlung x-ray photons are produced with a broad spectrum of energies.
• The purpose of personnel monitoring is
• Which property best describes the tissue in which the photoelectric effect occurs according to the animation?
• Radiation-induced reddening of the skin occurs at approximately which dose?
• LD50/30 represents the dose that would cause death in what proportion of exposed individuals within 30 days?
• Which device is not typically used to shape or limit the X-ray beam?
• Which of the following is an essential practice to enhance crane and rigging safety?
• Which statement about electromagnetic radiation is true?
• Which statement is not a characteristic of the three cardinal principles of radiation safety?
• What is a hot work permit and what activity does it cover?
• The NCRP recommends an annual lens of eye EfD limit to the occupationally exposed of
• Near-miss reporting is important because?
• Which statement best describes an inspection in a safety program?
• Which are essential components of an Emergency Action Plan?
• Which document is used to record every injury or illness incident for OSHA recordkeeping?
• Which term describes radiation effects that are probabilistic in nature, such as cancer, and do not have a threshold?
• X-rays are electrically ___.
• For nonoccupational exposure of the general public, what is the annual dose limit?
• What is the electrical charge of the anode in an X-ray tube?
• Which statement is true regarding the accompanying animation about x-ray interactions?
• How often should refresher training be conducted to maintain safety task competence?
• To check for cracks and damage, lead aprons and other protective apparel are imaged
• When should gonads be shielded?
• Which statement describes a result of using the air gap technique?
• What is the base placement distance according to the 4:1 rule for a ladder of 12 feet?
• Which of the following best represents a lagging indicator of safety performance?
• Which of the following describes a type of secondary radiation?
• Which terms describe ionizing radiation-induced hair loss?
• Which dose descriptor is used to estimate hereditary genetic risk at the population level?
• What is the primary purpose of shielding and exposure control in fluoroscopy?
• Where should the control monitor in each batch of dosimeters be placed?
• Which statement about exposure latitude with low kVp is true?
• What unit is used for the lens dose limit for the eye?
• The two basic types of protective barriers are
• Which combination of body parts is recommended to shield during radiographic exposure whenever possible?
• Which generator type is associated with approximately 87% of the rated voltage?
• Using low kVp in radiographic imaging results in which of the following?
• What is the importance of keeping documentation and records up to date in a Safety Registry?
• Which interaction is most associated with generating scattered radiation that personnel may be exposed to?
• ALARA stands for as low as reasonably ___.
• Which interaction is most associated with the production of scattered radiation in diagnostic imaging?
• Which personal dosimeter provides a direct readout on the device?
• Which interaction between x-ray photons and matter involves a low-energy incident photon?
• At 1 meter from the patient, scatter radiation is approximately what percent of the useful beam?
• Which of the following is not listed among the three types of personal radiation monitors?
• How should training programs ensure worker competence in safety tasks?
• In a Safety Registry's environmental program, what is a key objective?
• The rotational scheduling of personnel uses which cardinal principle of radiation safety?
• Which statement correctly describes occupational radiation exposure?
• What is the purpose of PPE selection and usage guidelines?
• Which major interaction is most responsible for absorption of photon energy at diagnostic energies?
• Which component of the Globally Harmonized System is used on containers to communicate hazard information?
• Which formula yields the lifetime cumulative effective dose (CumEfD) limit for a radiation worker?
• Which federal regulation governs the recordkeeping requirements for workplace injuries and illnesses in the United States?
• What does PASS stand for in fire safety when using a fire extinguisher?
• Which option would NOT reduce patient exposure?
• According to the accompanying animation, the photoelectric effect accounts for absorbed dose.
• Which major interaction between x-ray photons and tissue is most likely to occur with tissues having high atomic number?
• The energy dependence of the photoelectric effect is best described as being favored when photon energy is
• What does an SDS provide in chemical hazard communication?
• Which monitor provides an immediate reading worn on the body?
• Which method is commonly used to classify chemical hazards in SDS?
• Which statement correctly defines hazard and risk?
• Which generator is associated with an approximate 13% voltage ripple (87% actual voltage)?
• The intensity of scatter at 1 meter from the patient is about what percentage of the useful beam?
• Ionizing radiation emitted from the x-ray tube housing in directions other than the useful beam is termed?
• Which statement describes thermoluminescent dosimeters?
• What part(s) of the body should be shielded from the useful beam whenever possible?
• Where should the x-ray tube be positioned during C-arm fluoroscopy to reduce dose to the patient?
• In a PN junction diode, forward bias occurs when which condition holds?
• What is a Respiratory Protection Program and what key elements must it include?
• Which statement demonstrates the inverse square law in radiation protection?
• Which hazard commonly triggers a permit-required confined space entry?
• Machine guarding is best described as what?
• What is the primary purpose of Lockout/Tagout (LOTO) procedures?
• Which major interaction predominates in the diagnostic x-ray range?
• Which energy source is commonly addressed in Lockout/Tagout programs, such as an example besides electrical energy?
• Which factors are primary considerations when selecting respiratory protection?
• What is the lead equivalent of the fluoroscopic image intensifier assembly?
• Bremsstrahlung production results in what characteristic?
• What term refers to the smallest dose of radiation required to produce a specific effect?
• Which statement about a Respiratory Protection Program is correct?
• Which storage method should be avoided for protective aprons?
• Secondary radiation is produced when the primary beam interacts with matter. Which statement is true?
• Which type of evidence is most reliable for determining root causes in an incident?
• What is the general purpose of a fall arrest system inspection?
• Which statement best describes the primary purpose of a Job Hazard Analysis (JHA)?
• HVL and kV are used to express
• Who is typically responsible for maintaining Safety Data Sheets (SDS) in the workplace?
• Which principle is associated with shaping the effective focal spot to enhance image sharpness?
• Which statement about evidence in root-cause analysis is most accurate?
• A controlled area is one that is
• Which statement is NOT a primary purpose of a Job Hazard Analysis?
• Early and late tissue effects due to excessive radiation exposure are best described as which type of effects?
• What is the active ingredient found in a thermoluminescent dosimeter?
• Select the three items that are personal radiation monitors from the following list.
• Which value represents the NCRP-recommended thyroid dose limit?
• What is the primary purpose of machine pre-use inspection?
• Which material is commonly used as the active sensor in a thermoluminescent dosimeter?
• Which of the following radiations have ionizing properties?
• What is the purpose of guardrails in scaffold safety?
• A photon with a shorter wavelength has which characteristics?
• In C-arm imaging, locating the image intensifier above the patient is recommended for which outcomes?
• ALARA stands for which phrase?
• Name three common types of safety indicators used in ongoing safety performance monitoring.
• Characteristics x-ray photons have what energy property?
• The 1-mm lead shield reduces the dose to female reproductive organs by about what percent?
• Which device shapes and limits the primary X-ray beam?
• What is the primary purpose of GHS labeling in hazard communication?
• Biologic material irradiated under hypoxic conditions is less sensitive than when irradiated under oxygenated conditions. Which option correctly states this?
• Under the inverse square relationship, what happens to radiation exposure as distance from the source increases?
• Lead shielding thickness is expressed in what unit?
• Which condition makes a confined space fall under permit-required status?
• Radiation-induced reddening of the skin at a dose of 2 Gy is termed?
• When contractor personnel work on a site with existing safety programs, which is typically required?
• Which statement about the focusing cup is true?
• In diagnostic radiography, which interaction is most associated with complete absorption of photons by tissue atoms?
• What is the lifetime cumulative effective dose limit for a 35-year-old radiation worker?
• What is the purpose of an environmental safety program within a Safety Registry?
• Which unit is used to express effective dose in radiation protection?
• How should a typical personal radiation monitor be worn with respect to a lead apron?
• Which acute radiation syndrome requires the least amount of ionizing radiation dose to occur?
• Which source of radiation exposure is related to the use of medical imaging?
• A shorter wavelength photon is associated with
• Tissue effects that occur after a threshold dose are referred to as
• Which of the following are examples of local tissues that can be affected by ionizing radiation?
• Which major interaction between x-ray photons and tissue results in total absorption of the incident photon?
• What is the primary objective of fall protection in the workplace?
• What is a Permit to Work typically used for in hazardous environments?
• What is the annual dose limit for occupationally exposed individuals 18 years of age and older?