Corectec ARRT Practice Exam

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• What is the magnification factor if the SID is 40 inches and the OID is 8 inches?
• In a histogram, what is the range of numbers called that determines the useful minimum to maximum range?
• What should be done when radiographing a patient with a newly fractured forearm?
• For an AP projection of the sacrum, how is the CR directed?
• When switching from a Bucky technique to a tabletop technique, how many times less radiation is required?
• If a patient is diagnosed with an ileus, which of the following signs would you expect to observe?
• What is the name of the imaginary line drawn between the outer canthus of the eye and the external auditory meatus (EAM)?
• In pediatric radiography, which area is typically used for bone age assessment?
• Which digital radiography system uses exposure indicators (S-number) to express the radiation dose received by the image receptor?
• The nasal bones articulate with which of the following bones?
• When placing multiple images on a CR cassette, which of the following is NOT a requirement?
• Which of the following factors influence the interpretation of a digital radiograph?
• Which of the following terms refers to the kinetic energy released in matter?
• What must the radiographer do to correct a radiograph with proper exposure but excessive quantum noise?
• For accurate localization of anatomy, how many sides of collimation must be detected?
• When does foreshortening occur in radiography?
• What is the name of the largest blood vessel in the abdomen?
• Which vertebrae are characterized by having transverse foramen?
• Which radiation monitoring device uses aluminum oxide to absorb and store x-ray energy?
• Which factor can influence the dose of radiation received by a patient in radiographic examinations?
• What factor is crucial for achieving optimal image quality in radiography?
• What should be done if a patient reports feeling unwell during a radiographic procedure?
• In computed radiography, the imaging plate should be erased if it has NOT been used for how many hours?
• The breakdown of water molecules within the body due to irradiation is known as what?
• What consequence might result from not adjusting SID when using AEC?
• What is the proper way to move a heavy object?
• When radiographing a patient with a hip prosthesis, what option must be selected?
• Which patient type should be scheduled first for contrast media procedures that require fasting and laxatives?
• While using a C-arm fluoroscopy unit, what will reduce radiation exposure to the patient the most?
• The red X is located over which part of the kidney?
• During radiography of the forearm, what should be primarily supported?
• Which position minimizes the dose to the breast during a mammogram?
• What might occur if the software cannot recognize three collimated borders?
• What is the most significant effect of radiation exposure over time?
• A digital image receptor exposed to 50% less radiation than optimal will primarily display which artifact?
• What is the normal range for systolic blood pressure in adults?
• What is the most common site for measuring a patient's pulse?
• How does use of a high ratio grid instead of a low ratio grid affect patient exposure?
• Which type of contrast media can usually cause fewer allergic reactions?
• What should be done with sheets that have fecal material and blood on them after a barium enema?
• How many phalanges are there in each foot?
• What type of radiographic contrast is achieved using low atomic number elements?
• Enhanced contrast resolution in digital imaging primarily contributes to what aspect of imaging quality?
• A flat-panel detector is exposed with nothing between the x-ray tube and detector, what quality control test was performed?
• Which bone articulates with the talus anteriorly?
• Which option describes when patient restraints are typically used?
• The patient Bill of Rights specifically covers all the following individuals except which ones?
• Which type of bones contains the most bone marrow in the human body?
• When the central ray (CR) is not aligned perpendicular to the image receptor (IR), which outcome is likely?
• What is one of the consequences of improper angling during an X-ray?
• Which imaging modality utilizes a moving laser beam?
• Where should the central ray enter for an AP projection during an operative cholangiogram?
• What is the shortest portion of the small intestine?
• What should you do if a patient with a contagious disease has an accident on the x-ray table?
• What is the study of unacceptable radiographs called?
• If you are going to put more than one image on a CR cassette, which statement is true?
• What does an RPO position of the ribs primarily demonstrate?
• How many times must the primary beam scatter before reaching the radiographer behind the control booth?
• What is the primary concern with handling contrast media during patient examinations?
• What term describes the effect caused by extreme overexposure in a digital image?
• How is the exposure technique adjusted for overweight patients?
• Which methods can produce primary radiation when electrons interact with the anode?
• Which positions are superior in terms of radiation protection in x-ray examinations?
• Which major factor contributes to a patient contracting an infection while in the hospital?
• What position is best for imaging a trauma patient with suspected fractures in the pelvis?
• Which oxygen delivery system is used for a patient requiring a high rate of oxygen?
• Which term describes the horizontal portion of the mandible?
• Which projection best demonstrates the right sternoclavicular joint?
• What type of reaction is indicated by nausea, vomiting, and headache after contrast media administration?
• What is the name of the most distal part of the stomach?
• Where should the fetal dosimeter be placed on a pregnant technologist?
• What physical signs might indicate a patient requires suctioning?
• What is the primary purpose of a half-value layer test?
• Which personal protective equipment is essential when radiographing a patient with airborne precautions?
• How should the head be positioned to best demonstrate the body of the mandible in an axiolateral projection?
• What is considered an advantage of utilizing the air-gap technique in radiography?
• Which imaging technique can help minimize patient exposure to scatter radiation?
• Which anatomical structures are demonstrated in a 45-degree oblique view of the C-spine?
• The first-stage entrance shutters of a variable-aperture collimator aim to reduce which type of radiation?
• What anatomy is typically assessed during an ERCP procedure?
• When performing imaging on patients, what is an essential consideration regarding dose management?
• Scatter radiation will have the greatest effect on which aspect of imaging?
• Which of the following is considered a reservoir for infection?
• Which procedure is considered to involve the greatest exposure and therefore the highest risk for female patients?
• Where would you expect to find the largest number of microorganisms?
• What aspect of a digital image is influenced by its brightness?
• Which anatomical position is best viewed for demonstrating the right colic flexure of the colon?
• Which type of barrier would be considered a primary radiation barrier?
• Failure to collimate accurately while using AEC may result in what type of radiograph?
• What aspect of digital imaging is significantly improved by high contrast resolution?
• What projection of the knee will show the proximal tibiofibular articulation free of superimposition?
• What is the greatest advantage of digital imaging technology?
• What is a simple method to evaluate ambient light on a monitor?
• According to the Code of Federal Regulations Title 21, what is considered a fluoroscopic primary protective barrier?
• Which of the following devices is designed to attenuate secondary radiation during fluoroscopy?
• What is a common indicator of exposure quality in x-ray imaging?
• What happens to the frequency of x-rays as their energy increases?
• How is image brightness defined in radiography?
• What is the consequence of improper positioning during radiographic imaging?
• What does the fill factor for a detector element represent?
• What does the term "effective focal spot" refer to?
• What is the annual equivalent dose limit for the public?
• What condition describes the body of L5 slipping forward on top of S1?
• No practical amount of mAs can ever compensate for which of the following?
• What is the function of the air-gap technique in radiography?
• Radiographing an infant's chest table-top compared to using a Bucky will reduce the infant's exposure by what factor?
• What is the medical term for the condition where air enters the pleural space?
• The distal end of the endotracheal tube should be placed how many centimeters above the carina?
• Which of the following should be used to detect quantum noise in a digital image?
• What can occur if the collimator's light field does not align with the radiation field?
• Which of the following is a byproduct of photoelectric absorption?
• To prevent shape distortion, which two elements must be parallel?
• What is essential for demonstrating soft tissue in radiography?
• The Merchant Bilateral method is used to demonstrate which anatomical structure?
• What is it called when a patient agrees to a procedure after being informed about the associated risks?
• Which positions are required when determining the alignment of fractures?
• Which factor influences the size of the focal spot in radiography?
• Which type of dose-response relationship is represented by a linear threshold?
• Which of the following refers to the movement of the imaging plate as it is being read by the laser?
• Which condition can hinder the viewing of digital images on a monitor?
• What is necessary to connect an external computer to a hospital's server?
• What is the main consequence of having a poor positioning technique in radiography?
• According to federal regulations, what is the minimum required target-to-tabletop distance for stationary fluoroscopy?
• Which of the following factors will lead to an increase in scatter radiation during an imaging procedure?
• Which factor primarily affects the quantity of radiation produced in an X-ray tube?
• What safety procedures should be followed when using ionizing radiation?
• Reactions such as nausea, vomiting, and headaches when using contrast media are classified as what?
• Who should witness a patient’s signature on an informed consent form?
• Which position best demonstrates the glenoid fossa?
• What is the name of the socket that holds the head of the femur?
• For the scapular Y position of the shoulder, how much should the patient be obliqued?
• What is the name of the proximal, funnel shaped portion of the ureter called?
• Which type of radiation cannot be produced at tube potentials of less than 70 keV?
• When performing an X-ray, which projection would be suitable for examining the cervical spine?
• Which property is primarily used to control the amount of scatter radiation during imaging?
• What is the primary purpose of using endoscopy in medical imaging?
• How often should CR imaging plates be cleaned in a busy imaging department?
• Which imaging position or projection is best for demonstrating the esophagus filled with barium?
• When should the exposure be made for an AP or lateral projection of the upper airway?
• The distance between the centers of two adjacent pixels is known as what?
• For the medial oblique position, the foot should be rotated how many degrees?
• Which examination may utilize the transthoracic projection?
• How many milliseconds are there in 0.10 seconds?
• At which vertebral level is the jugular notch located?
• What is indicated by the term 'image intensifier' in fluoroscopy?
• Which upper GI position is optimal for demonstrating the pylorus and duodenal bulb?
• What is the purpose of the photodetector in a CR reader?
• How well an imaging system reproduces the actual object is referred to as what?
• Which projection best demonstrates the distal tibiofibular joint?
• If using a high-frequency x-ray generator, which of the following will have the greatest effect on increasing exposure to the image receptor?
• What position is defined by the left scapula nearest the IR and thorax rotated 45 degrees?
• Which of the following is NOT needed to produce x-rays?
• According to the American Heart Association's guidelines, what is the correct order for administering basic life support (CPR)?
• What does upside-down grid cutoff demonstrate?
• What is a common effect of using a smaller focal spot in radiography?
• Which of the following terms are matched correctly regarding grayscale?
• Which component primarily controls the quality of the x-ray beam produced?
• During retrograde urography, how is the contrast media administered?
• What does backscatter refer to in imaging?
• What leads to foreshortening of a radiographic image?
• Morbid obesity is classified under which BMI category?
• Where is the larynx located in the human body?
• Which devices can be used for long-term storage of digital radiographic images?
• What is the term for the allowable radiation dose that is assumed to result in an average nominal lifetime risk?
• Which position is most effective for radiographing the sternum of a trauma patient?
• What is the purpose of using a grid in radiographic imaging?
• What does equalization improve in digital images?
• What anatomical part does the lateral cuneiform refer to?
• Where is the most common place along the length of the ureter for a kidney stone to hang up?
• How long after the injection of contrast media should a radiograph be taken to obtain a nephrogram?
• What does the line focus principle pertain to in radiography?
• How high must primary radiation barriers in walls be?
• How can spatial resolution be improved?
• Which of the following body parts requires lateral rotation for an oblique position?
• What is the primary function of lead aprons in radiography?
• How many half value layers (HVL) are required to reduce an x-ray beam from 1 mGy/mAs to 0.05 mGy/mAs?
• What occurs when changing from a 9-inch mode to a 6-inch mode in a multifield image intensifier?
• Which radiographic procedure would require nonionic contrast media instead of ionic contrast media?
• What thickness of lead is required in the walls of a diagnostic x-ray room?
• After a myelogram, what instruction should be given to the patient regarding head elevation?
• What defines off-focus radiation?
• With digital imaging, what procedure may be acceptable if intentionally underexposed for a pediatric patient?
• What effect does increasing energy of x-rays have on their penetration capability?
• Which of the following will cause elongation of the object when the object is horizontal?
• What is examined during endoscopic retrograde cholangiopancreatography (ERCP)?
• Which imaging technique is best to visualize soft tissues, such as the brain?
• Who is responsible for evaluating and maintaining cumulative dose records?
• Which imaging technique is best for visualizing soft tissues?
• For a knee X-ray, which position provides the best view of the patellofemoral joint?
• Which of the following sequences of exams is correct for evaluating gastrointestinal issues?
• What is the name of the bony ridge that lies beneath the eyebrows?
• On which side of the hand is the first metacarpal located?
• When is it appropriate for a radiographer to clamp off a patient's urinary catheter?
• What must be labeled on mobile unit C-arm fluoroscopic systems manufactured after June 10, 2006?
• Which component is NOT part of the standard protocol when dealing with radiation exposure?
• Where in the body is Henle's loop located?
• If an object is angled, what must be adjusted to prevent shape distortion?
• When imaging the soft tissue of the neck in the lateral position, which upper airway structures should be visualized?
• The term intrathecal refers to an injection into which anatomical area?
• What term is used to describe the peak energy of radiation exposure?
• What can be used to clean the outside of a CR cassette?
• Which term describes the intensity of the x-ray beam?
• When using AEC, how can a radiographer increase the exposure of a previous radiograph?
• What is the greatest advantage of digital imaging?
• What does the establishment and growth of microorganisms on or in a host define?
• Which factors increase the attenuation of the x-ray beam?
• What should a patient be instructed to do for an AP projection of the thoracic spine?
• Which of the following is a key consideration when adjusting exposure time in fluoroscopy?
• In which area of the body would you typically find the greatest density of bone structure?
• In which procedure can patient motion be advantageous?
• Which of the following accurately describes a characteristic of radiographic quality?
• What does the term "projection" refer to in radiographic imaging?
• Which statements are true regarding radiation-induced mutations?
• What is the significance of the Window Level in digital imaging?
• Which of the following describes a Beta particle?
• If Automatic Exposure Control (AEC) is used at an SID of 72" instead of 40", what will the outcome be for the image?
• What should you do with sheets and pillows contaminated by a patient with a known salmonella pathogen?
• What is another name for the first cervical vertebra?
• When a patient is supine, which part of the stomach is typically well-filled with barium?
• When viewed from the anatomical position, how is the natural curve of the lumbar spine classified?
• Which long-term effect of ionizing radiation is most commonly observed?
• What device is used to inspect the internal linings of the stomach and duodenum?
• In radiography, what is the function of collimation?
• Which of the following publications recommends limits of exposure to ionizing radiation?
• What is the purpose of using values of interest in digital imaging?
• Which imaging technique provides the highest level of detail for soft tissues?
• In a 45-degree oblique view of the C-spine, which structures are primarily visualized?
• Which of the following will put the humerus in a true AP projection?
• If an image of the scapula was underpenetrated, how should the technique be adjusted?
• What is a disadvantage of using high kVp techniques?
• Where is the x-ray beam intensity greatest due to the anode heel effect?
• What practice in digital imaging helps avoid the possibility of repeats by overexposing the patient?
• When checking the safety of protective leaded apparel with a calibrated test object on a cassette, which of the following is correct?
• Which of the following indicates non-uniformity in a digital image?
• In children, bone age can be assessed by imaging which anatomical areas?
• Which of the following defines photoemission?
• What is the cumulative effective dose limit for a radiation worker who is 30 years old?
• What is the most proximal end of the fibula called?
• Where should the central ray enter for an AP axial projection of the foot?
• Non-ionic, water-soluble iodinated contrast media does what?
• In digital radiography, what process is primarily used to enhance image contrast?
• Which two bones comprise the shoulder girdle?
• In radiation safety, what is a common term for the cumulative radiation dose limits for workers?
• Which position/projected view of the elbow demonstrates the olecranon process free from superimposition?
• At what rate must fluoroscopic images be recorded for a dynamic effect?
• What condition does an ileus radiograph typically demonstrate?
• What is the primary benefit of using a lateral thoracic spine positioning in radiography?
• What effect does increasing the kilovoltage (kVp) have on the quality of the radiographic image?
• Which of the following is critical when preparing a patient for a contrast study?
• How long can the latent image remain stored in the phosphor layer of a photostimulable phosphor plate?
• What refers to the movement of the laser beam across the CR imaging plate during the reading process?
• Geometric unsharpness in radiographic imaging is directly proportional to which of the following?
• When positioning a patient for a PA chest, which detector chambers would you activate if the patient has had their left lung removed?
• The scapular y position is used to demonstrate which of the following?
• What is the main purpose of a grid in radiography?
• During an imaging procedure, where should you document the patient's vital signs?
• Where is the optic foramen located?
• Which position will best demonstrate the coronoid process of the elbow?
• What type of contrast media is least likely to cause allergic reactions?
• For a patient needing multiple imaging exams, in what order should they be scheduled?
• During the gestation period, a pregnant radiographer's fetal monitor should not receive more than how much dose per month?
• Inspiration and expiration PA projections of the chest are used to demonstrate what condition?
• Cycles per second or hertz is the unit of measurement for which of the following?
• Which blood pressure reading would indicate that a patient is in shock?
• Detector fog is also known as?
• What is an acceptable means for receiving a request to perform an examination?
• What is a post-processing option to decrease noise in a digital image?
• Which of the following is a key indicator that suctioning is necessary for a patient?
• According to the law of Bergonie and Tribondeau, which factor increases cell radiosensitivity?
• The latent image in the imaging plate can remain stored for how many hours before being lost?
• In a radiographic procedure, which factor is adjusted to enhance image penetration?
• What is the term used for the "cloud of electrons" held by the focusing cup?
• How does the use of radiographic grids affect the production of scatter radiation?
• A sampling frequency of 5 pixels per millimeter results in how much spatial resolution?
• What type of shape distortion is produced by part angulation?
• The first pair of ribs forms a joint with which part of the sternum?
• Which anatomical structure is located at the level of the iliac crest?
• Which of the following primary factors has the greatest effect on subject contrast?
• Which position is best for demonstrating the left colic (splenic) flexure?
• What does it mean to administer drugs parenterally?
• Which factors must be considered when preparing a technique chart?
• When does major organogenesis occur in the developing fetus?
• Which imaging characteristic is critical for diagnosing diseases in the thoracic region?
• Which stomach position/projection is best for demonstrating the duodenal loop?
• What is the required angling of the CR for a carpal canal projection if the long axis of the fingers and metacarpals are vertical to the cassette?
• What is the unit for measuring air kerma?
• If a radiologic technologist notices an equipment malfunction, what is the appropriate step to take?
• What is the name of the fossa that separates the medial and lateral femoral condyles posteriorly?
• What principle guides the use of radiation is to minimize dose to patients?
• What would be a consequence of using an inappropriate kVp for tissue imaging?
• What must be corrected in the radiograph of the dens by adjusting the patient's chin?
• Which position would best demonstrate the rectum filled with barium?
• What is the result of using a higher kVp in digital imaging as compared to mAs?
• What defines overexposure in radiographic imaging?
• In the context of radiation protection, what does mSv stand for?
• What is an imaging contrast agent called that absorbs most of the x-rays compared to the surrounding tissue?
• Which term describes a long scale of contrast?
• What is the minimum number of persons needed for a stretcher-to-table transfer when using a draw sheet?
• Approximately what energy characteristic x-ray is emitted when a k-shell is removed from a tungsten target?
• Who is authorized to order imaging examinations?
• Since imaging plates and flat-panel detectors are sensitive to scatter radiation, which practices are necessary?
• What tool can be used to test the kVp accuracy of a radiographic generator?
• Why do the backs of cassettes contain lead?
• Which statement about the CR reader is false?
• What does "kVp" stand for in radiography?
• Which factor increases when using high kVp techniques?
• To demonstrate the greater tubercle of the humerus, which of the following should be done?
• Which anatomical landmark is important for positioning in the lateral skull view?
• What is the maximum amount of water-soluble contrast media given to a child weighing 60 pounds?
• What describes the effective dose limit?
• In the context of imaging, what does a CR reader do with collimated borders?
• On an AP forearm projection, what anatomical landmark should be aligned for accurate imaging?
• What does a high SID (Source-to-Image Distance) achieve in radiographic imaging?
• Which of the following is NOT a facial bone?
• How do flat-panel detectors remove fog from background radiation?
• The spinal cord passes through which of the following?
• What is the preferred position for a patient with left posterior rib trauma?
• What is the greatest disadvantage of digital imaging?
• What are the initial signs of an anaphylactic shock reaction to contrast media?
• Which element is primarily responsible for the attenuation effects in X-ray imaging?
• Which of the following groups would be classified as cultural groups?
• Which combination of parameters will produce the same radiographic exposure as 200 mA, 1/5 second, 60 kVp?
• Which of the following is not necessary for the production of x-rays?
• What is the minimum schedule for testing lead aprons and gloves for shielding defects?
• Which of the following best describes an x-ray photon?
• How does underexposure typically affect digital images?
• Why was a lumbar spine radiograph repeated?
• What type of contrast media reaction is considered severe?
• Why would a technologist need the patient's chart when transporting a patient to the imaging department?
• What is the recommended position for a CXR to minimize heart magnification?
• From where does oxygenated blood return to the heart?
• In what order should the following be done to discontinue a contrast media administration?
• Which element determines the grayscale in a digital image?
• What is the primary purpose of collimation in radiographic imaging?
• What is the primary purpose of a Bucky slot cover in radiology?
• Which of the following bones is considered the longest?
• What does automatic rescaling in digital imaging ensure?
• What does the term 'Atlas' primarily refer to in anatomical terminology?
• Which of the following is a component of the CR reader?
• For an AP axial projection of the rectosigmoid segment of the large intestine, what is the required CR angle?
• According to the NCRP, what is the minimum lead equivalency required for lead aprons worn during fluoroscopy?
• Which action should be taken when a radiograph demonstrates inadequate penetration?
• If a digital imaging system can record 10 lines per millimeter, what is the spatial resolution?
• The term used to describe the amount of light emitted by pixels in a digital image is called?
• How does the air-gap technique affect scatter radiation that reaches the image receptor?
• What is the monthly equivalent dose limit for the fetus of a radiation worker?
• Which of the following is correct for an AP projection of the upper airway?
• What is the primary benefit of the kVp 15% rule in relation to receptor exposure adjustments?
• What anatomical structure could be indicated by a red arrow pointing to the sphenoid sinus?
• What is the effect of pneumothorax noted in a chest radiograph?
• What is the area of the tungsten target called where high speed electrons strike the surface?