Radiologic Technology (RT) Entrance Practice Exam

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• What is required to drive the thermionic cloud from the cathode to the anode?
• What does the term "synovial" refer to in joint types?
• What factor most influences the number of photons reaching the image receptor?
• Which sinus is demonstrated through the oral cavity using a parietoacanthial transoral projection?
• Which part of the X-ray machine generates the radiation?
• Which technique is most effective for identifying signs of acute abdominal pain in radiographic images?
• As the Object-to-Image Distance (OID) increases while the Source-to-Image Distance (SID) remains constant, what happens to entrance skin exposure (ESE)?
• What does computed tomography (CT) use to produce cross-sectional images of the body?
• What is the primary purpose of radiologic technology?
• Which radioactive element is commonly used in nuclear medicine?
• What are the two main types of shock that can occur during imaging procedures?
• Which type of filter is suitable for use with an AP foot examination?
• Which of the following is the SI unit for the rad?
• What is the purpose of the collimator in radiographic imaging?
• What is the common effect of increased SID on image quality?
• What is the purpose of a quality control program in radiology?
• What is the main advantage of digital radiography over traditional film radiography?
• Define the term "radiation therapy."
• What should be done to correct a lateral projection of the sternum showing superimposed ribs?
• The slight depression above each eyebrow is termed the:
• Which projection of the ankle best demonstrates the open joint space of the lateral aspect?
• The electron dislodged during Compton scattering is referred to as:
• What safety precaution should radiologic technologists take when performing procedures on pregnant patients?
• Which position would provide the best view of the thoracic spine?
• What is the normal range of temperature when measured orally?
• What is the primary purpose of an x-ray beam filter?
• What is the greatest factor contributing to scatter radiation?
• What does the term 'radiographic contrast' refer to in imaging?
• Which interaction has a significant impact on the quality of an x-ray image?
• What is one potential risk associated with ionizing radiation in medical imaging?
• In terms of anatomy, which of the following accurately defines the term 'distal'?
• What is the annual effective dose limit for the general public in REM?
• What should the technologist do when a patient complains of pain during a hip study?
• How should a technologist respond to a patient with a previous allergic reaction to contrast media?
• What does the acronym ALARA stand for in radiation safety?
• Is it true that the only bony connection between the shoulder girdle and the bony thorax is the acromioclavicular joint?
• What is the effect of increasing the milliamperage (mA) on the radiographic image quality?
• Why is it important for technologists to stay updated with new imaging techniques?
• What type of imaging technique is mammography?
• Which imaging modality uses high-frequency sound waves?
• How can a technologist ensure patient safety during an imaging procedure?
• How does a PACS system benefit a radiology department?
• Where should the central ray be centered for an AP supine adult chest projection?
• Identify one potential risk of radiation exposure to patients.
• What is the effective dose limit for a radiographer over any given 13-week period?
• What type of projection is typically used for visualizing the sacroiliac joints?
• What types of problems can occur due to technical factors in radiologic imaging?
• Which factors are included in the three alignment factors in radiologic technology?
• Which abdominal region contains the right colic (hepatic) flexure?
• Why is it important to document a patient's medical history before imaging?
• What is the primary purpose of using lead aprons in radiology?
• Which cranial bone is known to possess the zygomatic process?
• How does beam filtration affect patient dose?
• What type of joint movement does the ankle joint exhibit?
• What could be a consequence of inappropriately high radiation doses?
• What safety measure should technologists take when performing fluoroscopy?
• The AP axial vertebral arch projection is best for demonstrating which structures?
• Which type of fracture is classified as a hyperflexion injury?
• Which of the following factors is least likely to influence image resolution?
• In CT imaging, what does the dose modulation feature do?
• Where is a common site for contrast injection during imaging studies?
• Which interaction with matter results in a radiograph with higher contrast?
• Which scenario would constitute a violation of patient confidentiality?
• To protect the radiographer during X-ray exposures, where are the mA and kVp selections typically located?
• What modification can improve visibility of the upper thoracic spine if it is overexposed in a radiograph?
• Name one common contraindication for using MRI.
• What is the primary purpose of using filters in fluoroscopy?
• Which term describes the technique of using an electronic detector in radiology?
• What is the term for releasing medical records without a patient's consent?
• Why must the technologist slightly angle the CR caudad for most AP projections of the chest?
• What is the purpose of shielding during X-ray procedures?
• Which of the following methods can relieve strain on the abdomen for a patient suffering from abdominal pain?
• What is a common use for Computed Tomography (CT) scans?
• In the erect adult bony thorax, how much higher is the posterior portion of a typical rib compared to the anterior portion?
• What radiographic feature indicates a well-composed image of a thoracic spine?
• What does fluoroscopy allow radiologists to do?
• What is the difference between rad and rem?
• What kind of radiation is mainly used in diagnostic imaging?
• Which bone of the pelvic girdle forms the anterior inferior aspect?
• Why is proper equipment calibration essential in radiologic technology?
• The product of tube current and exposure time is equal to what?
• What is the effect of changing the source-to-image distance (SID) in X-ray tube angulations?
• What signed document is required for experimental procedures or those that carry substantial risk?
• In order to include the diaphragm in upright positions, where should the central ray be centered for AP projections of the abdomen?
• What is the purpose of the grid in radiographic imaging?
• Which of the following is a primary responsibility of a radiologic technologist?
• Which of the following describes the effect of a small focal spot in radiography?
• What condition is characterized by the collapse of all or part of a lung, requiring an increase in manual exposure factors?
• What is the medical term for dizziness?
• What is the primary responsibility of a radiologic technologist in emergency situations?
• Which of the following emissions is primarily responsible for the production of scatter radiation?
• Which basic projection of the elbow is best for demonstrating the trochlear notch in profile?
• What role do radiologists play in patient diagnosis?
• A destructive type of lesion with irregular margins and increased density could indicate what condition?
• Which projection is used to project the dens within the shadow of the foramen magnum?
• Which of the following are types of intentional misconduct?
• Which factors directly affect the quality of an x-ray beam?
• Which of the following terms describes positioning in relation to the body's midline?
• How much CR angulation is required for a scapular Y projection?
• The bluish skin coloration known as cyanosis is an indication of what condition?
• What is the recommended KV range for digital systems during the superior-inferior tangential projection of the nasal bones?
• What occurs when the tube or the image receptor is not properly aligned?
• In terms of radiation safety, which device is used to prevent backscatter radiation?
• What does MRI stand for in the context of medical imaging?
• An optimal diagnostic quality radiograph is defined as one that is:
• Which statistical measure is commonly used to assess average pulse rates in adults?
• What typically causes cracking of the anode in radiographic equipment?
• What type of CR angle is required for the AP semi-axial projection of the lung apices?
• Which body structure is considered to be the most distal?
• What is the primary purpose of using protective aprons in radiologic procedures?
• Which of the following is NOT a structure of the proximal femur?
• What is the primary function of ultrasound in medical imaging?
• What body habitus typically requires adjustments in radiographic technique due to size?
• Which factor is least likely to affect image contrast in radiography?
• Which ionization chamber should be used for a tangential projection of the intertubercular groove?
• What is the primary focus of radiobiology in radiologic technology?
• How does the principle of "informed consent" apply in radiologic technology?
• What is the primary purpose of a compensating filter in radiology?
• What aspect makes image critique particularly challenging with current technology?
• The mA control is found between which two components?
• Describe the benefits of using double-contrast studies.
• High contrast in radiography is primarily related to what?
• What is the dynamic range of exposure for photostimulable phosphors in terms of ratio?
• Image receptor contrast is expressed as what aspect of the D log E curve?
• In CT imaging, what is the term used for the thickness of the slice taken?
• If there is a fire in your immediate area, what is the first thing you should do?
• Which position best demonstrates the left zygapophyseal joints of the thoracic spine?
• What technical factor primarily affects the size of the radiation beam spread?
• What is the fundamental principle of radiologic imaging based on?
• What role does radiation safety training play in radiologic technology?
• What is the normal pulse rate range for an adult?
• What is the primary function of the cathode in radiography?
• What is the difference between isotopes used in nuclear medicine?
• How often is it recommended for radiology equipment to undergo routine maintenance?
• What is a radiograph that demonstrates minimal differences between density shades called?
• A patient presents with a possible hemothorax in the right lung and can sit erect. What projection routine would best demonstrate this condition?
• How can the technologist minimize patient anxiety during imaging procedures?
• What is the primary imaging modality used to assess soft tissue and vascular structures?
• What is an advantage of three-dimensional imaging technologies?
• What is the position that can replace the RAO of the sternum if the patient cannot lie prone?
• A patient has a possible bony defect of the midwing area of the scapula. What projection aside from the routine AP scapula would best demonstrate the involved area?
• What is the definition of negligence?
• Which imaging modality uses ionizing radiation to produce images of the body's internal structures?
• What phenomenon occurs when an original ionizing event happens directly on a macromolecule?
• What type of disease transmission can occur if a radiologic technologist does not clean equipment after an examination?
• What is the primary function of filtration in radiography?
• What kind of radiation is used in a CT scan?
• What documents should be reviewed before performing an imaging procedure?
• What is the importance of maintaining an appropriate room temperature in imaging departments?
• What is the effect of the "heel effect" in an x-ray tube?
• What does an increase in kVp primarily influence in an x-ray exposure?
• When full-wave rectification is applied to three-phase current, what type of ripple is produced?
• What is the required CR angle for an AP axial inlet projection?
• During which interaction with matter does the x-ray photon convert to matter in the form of two electrons?
• Which topographic landmark corresponds to the L2-L3 vertebral level?
• What is contrast media, and why is it used in imaging?
• What does the term "radiographic density" refer to?
• What defines battery in legal terms?
• In a PA chest radiograph, what could improve lung inspiration if only seven ribs are visible above the diaphragm?
• What is the minimum total filtration for fluoroscopic equipment in aluminum equivalent?
• Which imaging modality is considered best for evaluating soft tissue injuries?
• What is the primary role of the radiation safety officer (RSO) in a radiology department?
• Which component of the anode assembly is placed outside the vacuum of the envelope?
• Which of the following best describes the purpose of a compensating filter in radiography?
• Which type of projection is best used to assess the cervical spine's lateral view during injury evaluation?
• In radiographic imaging, the elongation of the left iliac wing and narrowing of the right iliac wing is most likely due to which positioning error?
• The 15% rule changes which aspect of radiography?
• What effect does an increase in linear energy transfer (LET) have on relative biologic effectiveness (RBE)?
• What is the significance of the anode in the X-ray tube?
• What is the primary purpose of the informed consent process in medical procedures?
• The presence of the moire effect on an image indicates a problem with what component?
• In general radiography, what is quantum noise a function of?
• Why is patient history important in radiologic assessments?
• Which factor can cause extensive superimposition of the scaphoid and adjacent carpals in a PA scaphoid projection?
• What is the primary purpose of the use of grids in radiography?
• Why is proper patient positioning essential in radiology?
• In which scenario would a technologist use a portable X-ray unit?
• Which of the following is important for obtaining a good quality radiograph?
• Why is it important to verify a patient's identity before a procedure?
• How much rotation from an AP position of the ankle is typically required to produce an AP mortise projection?
• When an ambulatory patient presents with possible pneumonia and chest pain, what positioning routine should be performed?
• What is the significance of using lead aprons during radiological procedures?
• What is the medical term for fainting?
• What indicates a possible overexposure in radiographic imaging?
• Which stage of mitosis is considered to be the most radiosensitive?
• What is the anatomical classification of the first carpometacarpal joint?
• In radiologic technology, what does the term "exposure" refer to?
• Besides increasing the source to image receptor distance, what other factor improves spatial resolution for lateral and oblique projections of the cervical spine?
• What is the primary purpose of using a grid in radiography?
• What is an essential skill for a radiologic technologist?
• What area of the body is typically imaged using an AP projection of the thoracic spine?
• What is the purpose of patient positioning during imaging?
• What is defined as a threat or attempt to injure another person?
• In radiology, what is the term for the dose of radiation absorbed by a patient?
• A patient comes to radiology with chondromalacia of the patella. What projection should be performed to best demonstrate the femoropatellar joint space?
• What is the purpose of the protective housing in an x-ray tube?
• In terms of radiation exposure, which imaging technique usually requires the highest dose to the patient?
• What are the image quality indicators in digital radiography?
• What describes the energy of the bremsstrahlung photon?