BDA Radiography for Dental Nurses Practice Test

These questions are part of the practice quiz. Start practicing

• What does it indicate if a film has insufficient washing after fixing?
• How is deposition shown in radiographs?
• How far should a person stand from x-ray equipment to ensure safety?
• What effect does increasing the mA have on an x-ray image?
• What is an advantage of using a receptor holder/beam aiming device when taking paralleling technique periapical radiographs?
• What type of radiograph should be used to assess the presence of supernumeraries in the anterior maxilla?
• What is the purpose of periapical radiography?
• What do intensifying screens in radiography consist of?
• What do we mean by indirect damage when describing the effects on patient tissue?
• What is the characteristic feature of radiolucent areas in x-rays?
• What should a bitewing radiograph ideally show?
• What are the two main types of digital imaging systems in dental radiography?
• How far should the tubehead and image receptor be during a cephalometric radiograph?
• What is the recommended focus to skin distance when taking radiographs using paralleling techniques?
• What is a key advantage of using the paralleling technique for periapical radiographs?
• Which piece of legislation is principally concerned with the safety of workers and the general public in radiography?
• What is the radiation absorbed dose and its unit?
• What is one of the primary risks associated with underexposed radiographs?
• What consequence can arise from direct damage to DNA/RNA?
• What can inadequate fixing time lead to in a processed film?
• What principle underlies the functioning of phosphor plate receptors?
• What is the purpose of chemical processing in radiography?
• Why is understanding radiation dosage critical in dental practice?
• Which of the following is not a component of the dental x-ray machine?
• What is NOT a duty of employees in relation to radiation safety?
• What is the best way of ensuring a bitewing radiograph is correctly aligned?
• What is the atomic number for lead?
• Which of the following are ways that photons can interact with matter?
• What is meant by "image receptor" in dental radiography?
• Which positioning factor is crucial for obtaining a clear image in periapical radiographs?
• When an incoming electron interacts with a tungsten atom, what is the energy lost converted into?
• When conducting an OPG, which of the following should be adjusted to avoid horizontal plane errors?
• What does it indicate if a film appears too pale after processing?
• What is the estimated risk of a fatal cancer resulting from a modern panoramic radiograph?
• If the developer has been diluted excessively, what is likely to happen to the image?
• What is the radiation dose limit for a member of the public serving as a career or comforter?
• What does the acronym SLOB stand for in dental radiography?
• What role do rare earth materials play in dental radiography?
• What is an acceptable target percentage of 'N' quality ratings for digital films?
• What effect does proper alignment of the x-ray beam have on the quality of a radiograph?
• What size should the collimator and beam be for optimal imaging?
• What type of X-ray machine component is responsible for the emission of the X-rays?
• What type of film speed is typically preferred for reducing patient exposure?
• Why is it important to keep up to date with the latest image receptor technology in radiography?
• What safety measure ensures that dental staff are protected during x-ray exposure?
• What does radiolucent mean in dental radiography?
• Which characteristic defines the quality of x-ray film?
• What issue arises when a patient's head is positioned too far forward or back in an OPG?
• What is one advantage of a dental panoramic radiograph?
• What is not a clinical indication for taking a panoramic radiograph?
• How are the most harmful, lowest energy x-ray photons removed?
• Which component is crucial for ensuring calibration and quality control in radiographic equipment?
• If an x-ray ionises a water molecule, what is produced?
• Which type of radiation do x-rays and gamma rays classify as?
• What is indicated by radiopaque areas in dental imaging?
• What is the primary concern when utilizing x-rays in dental practice?
• What is indirect damage in the context of x-ray exposure?
• What do mA and Time (s) refer to in x-ray terminology?
• What does the fixer contribute to the film image?
• What type of radiation are x-rays classified as?
• What role does staff training play in a radiography quality assurance program?
• What thickness of aluminum filter should be used for x-rays greater than 70 kV?
• What are the primary areas that must be addressed by a radiography quality assurance program?
• What unit is used to measure radiation exposure in air?
• What is the difference between high energy photons and low energy photons?
• What is the suggested dose constraint for dental staff involved in radiography?
• Which materials are included in the phosphors of intensifying screens?
• How do solid state sensors create images?
• What is one likely outcome of using old solutions in manual radiographic processing?
• What is required to make a diagnosis of caries?
• What equipment should be routinely wiped down after each radiographic examination?
• 2D images in dental radiography are composed of what basic unit?
• What sense do we use to detect x-rays?
• In radiography, what does resorption refer to?
• Why is the lid kept on the developer during manual processing?
• What should be avoided when handling films to prevent artefacts?
• How much radiation does an average person receive naturally in a year?
• Effective dose is calculated by which method?
• Why is it essential to use a shield during x-rays targeting the thyroid gland?
• What are artefacts in manual processing typically caused by?
• Which of the following is a benefit of maintaining high image quality in dental radiography?
• What should not be contained in the practice's written procedures?
• What is the common abbreviation used for the radiation regulations that are concerned with the safety of patients?
• What is contained within the x-ray tubehead?
• What type of occlusal radiograph requires the patient to wear a thyroid collar?
• What effect does prolonged washing have on developing film?
• What causes a digital image to be too light?
• What is the primary function of the tissue weighting factor in radiological doses?
• What is an x-ray?
• What is the primary use of pixels in digital radiography?
• Which components are part of dental x-ray equipment?
• When discussing radiation exposure, what does "dose" typically refer to?
• How many hours of CPD should an IRMER operator complete within each 5-year cycle?
• Which issue would you expect if the patient's head is misaligned during an OPG procedure?
• What does effective dose represent in radiography?
• What methods can be used to localize an unerupted tooth?
• How is a dental panoramic radiograph best described?
• Which x-ray set variable affects the degree of blackening of the radiographic image?
• What do crystals represent in the context of manual processing?
• How long should the film remain in the developer during processing?
• What should individuals assisting a child or disabled person wear during a dental radiograph?
• How should the image receptor be aligned for a paralleling technique periapical radiograph?
• What is the estimated risk of a fatal cancer resulting from an intraoral radiograph taken using recommended equipment?
• What defines a true lateral radiograph?
• What does it indicate if a film appears blank during manual processing?
• How does increasing the atomic number of the material affect x-ray absorption?
• What do the letters D, E, and F signify in the context of intraoral films?
• What vertical angle should the tubehead be aimed at when taking bitewing radiographs?
• How often are local rules audited?
• Which percentage represents the maximum acceptable rate of 'N' quality ratings in traditional radiography?
• Under which circumstances is it permissible for the operator to hold the x-ray tubehead during exposure?
• Who must justify each radiographic exposure as per IRMER regulations?
• Which organ is notably sensitive to radiation damage?
• What does the bisected angle technique involve?
• What percentage of electron energy is converted into x-rays in the x-ray tube?
• What is the recommended annual dose constraint for dental staff involved in radiography?
• What does the letter 'A' signify in the quality ratings of radiographs?
• Which speed of film is recommended for use in dental radiography?
• What radiographic technique makes use of the radiographic keyhole?
• What determines the overall energy of the x-ray photons?
• Why might it be difficult to place an intra-oral image receptor accurately in an edentulous patient?
• What setting on the control panel determines the energy range of the x-ray produced?
• If an image appears too dark after processing, what might be the cause?
• How many tanks are used in automatic processing, and what are they?
• What is the recommended thickness of an aluminum filter for x-rays with less than 70 kV?
• Which of the following describes the function of solid state receptors?
• In dental imaging, what does the term 'field of view' refer to?
• What is the atomic number for bone and teeth?
• Which type of radiograph is free from geometrical distortion?
• What is the highest safe dose of radiation that is 100% guaranteed not to cause any negative health issues?
• Which type of damage is primarily associated with direct ionization from x-rays?
• How does periapical infection initially present on a radiograph?
• What is an anode made of in dental radiography?
• What is the yearly radiation dose limit for non-classified workers?
• What is the correct vertical angulation for a standard upper occlusal radiograph in adults?
• What types of tissue reaction effects are caused by ionising radiation?
• What is a recommended practice when considering patient safety in dental radiography?
• What characterizes an oblique lateral radiograph?
• At what temperature should chemical and water tanks be maintained?
• What factor primarily contributes to air shadow on an OPG?
• What will result in an air shadow appearing on an OPG?
• When using parallax in the horizontal plane, a buccally positioned unerupted tooth will appear to move in which direction relative to the x-ray tubehead?
• What does the acronym ALARA stand for in radiation safety?
• What does a mixture indicate in dental x-rays?
• What is an advantage of using the paralleling technique when taking a periapical?
• What should be the primary concern when positioning oneself during x-ray exposure?
• What is a common cause of vertical plane errors on an OPG?
• Which of the following factors can influence image contrast in radiography?
• What is the atomic number for soft tissue?
• What do brown or green stains on a film indicate in manual processing?
• How should a patient be placed within a cephalostat for a lateral cephalometric skull radiograph?
• Which of the following is a golden rule of patient positioning for a dental panoramic radiograph?
• What should be autoclaved after use in dental radiography?
• What is the formula for calculating equivalent dose?
• What must be confirmed before taking a dental radiograph?
• Which aspect is not typically addressed by a quality assurance programme?
• What issue arises if a film is placed in the fixer before the developer?
• What is the main function of a CBCT machine?
• What is the minimum target for 'A' ratings in traditional film radiography?
• If an X-ray photon passes straight through the patient without interacting, what is it said to have done?
• What is considered a routine radiation protection measure in dentistry?
• How are images created in phosphor plate receptors?
• How should the technique be modified to take a panoramic radiograph on an edentulous patient?
• What do crazed patterns on a film suggest regarding processing conditions?
• In the context of dental radiography, what is an important aspect of the legislative framework?
• What is the difference between x-rays and gamma rays?
• What must indirect-action films be used in conjunction with?
• How do you immobilize the patient's head for a cephalometric skull radiograph?
• What is a key aim of a radiography quality assurance program?
• Why is an oblique lateral radiograph called oblique?
• Which x-ray variable affects the degree of blackening of the radiographic image?
• What is an advantage of using the paralleling technique for periapical radiographs?
• In the context of radiograph interpretation, what does a high density indicate?
• When taking a bisected angle technique periapical, what should the main beam angle depend on?
• What is the name of the machine used to take a lateral skull radiograph?
• What is the maximum size that a collimator should not exceed?
• What does direct damage refer to in radiology?
• At what temperature should the developer be maintained during processing?
• What is indicated by the presence of two oblique laterals on a radiographic film?
• What is the most likely cause of cervical spine ghosting on an OPG?
• What does the letter 'N' represent in radiographic quality ratings?
• Which of the following choices would lead to a pale film due to exhaustion of the developer?
• Which effects of X-rays principally concern the dental profession?
• What does the paralleling technique involve in dental radiography?
• What happens to the 99% of electrons' energy not converted into x-rays?
• What role does the developer play in the film processing?
• What causes a digital image to be too dark?
• How can one describe the consequence of using a developer that is too hot?
• What might a fading image in manual processing suggest?
• Which age group is considered to have the highest risk of developing somatic stochastic effects after a dental radiograph?
• What is the primary concern regarding radiation exposure in patients under the age of 10?
• Which factor is critical to ensure safety during radiographic procedures?
• What procedure is essential when a radiographic image does not meet diagnostic standards?
• What does the acronym CBCT stand for?
• What is the meaning of the term 'optimal kV' in radiography?
• When might the superimposition of root canals in multi rooted teeth be a particular problem?
• What is the target percentage of 'A' quality ratings for digital films?
• What determines the different shades of pixels on 2D images?
• What term describes the effect of radiation on living tissue?
• What is the correct sequence of chemical processing steps?
• What does the absorption of x-rays depend on?
• What can lead to horizontal plane errors on an OPG?