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RADIOGRAPHY: REGISTRY REVIEW QUESTIONS
KETTERING 2025
In a scenario where a radiology technician accidentally exposes their hand to a high dose of radiation while performing an X-ray, what type of injury would this be classified as? chronic radiation syndrome local somatic injuries genetic injuries systemic injuries
- What is the maximum exposure rate for a conventional fluoroscopic unit at the surface of the table top? 20 R/minute 15 R/minute 10 R/minute 5 R/minute
- Describe the effect of pronating the hand from the anatomical position. Pronating the hand rotates the wrist without changing the palm's direction. Pronating the hand keeps the palm facing anteriorly.
Pronating the hand turns the palm to face posteriorly. Pronating the hand causes the fingers to point downwards
supine prone left anterior oblique right posterior oblique
- What device converts the violet light emitted by the PSP into a digital image on the CRT? image intensifier digital signal processor analog to digital converter radiation detector
- Describe the role of the photocathode in the functioning of an image intensifier device. The photocathode converts incoming light photons into free electrons, which are then amplified to create a visible image. The photocathode captures X-rays and converts them directly into images. The photocathode is responsible for the mechanical movement of the image intensifier. The photocathode enhances the resolution of the image by filtering out noise.
- Describe why the right posterior oblique position is beneficial for imaging the right ureter. The right posterior oblique position is used to enhance the contrast of soft tissues. The right posterior oblique position is primarily for imaging the spine. The right posterior oblique position helps to minimize
R a d i o g r a p h y E x a m 2 0 2 5 S u r v i v a l K i t : E v e r y t h i n g Y o u N e e d t o P a s s t h e A R R T The right posterior oblique position allows for better visualization of the left kidney.
- As screen speed increases, spatial resolution __? DECREASES INCREASES NO EFFECT
- Describe the rationale behind the preferred sequence of KUB, IVU, BE, and UGI for radiographic examinations. UGI is performed first to ensure no interference with other exams. BE is done first to prepare the patient for subsequent imaging. IVU is preferred first to visualize the gastrointestinal tract. KUB is performed first to assess the kidneys and urinary tract before other contrast studies.
- Why is it important to clean radiographic equipment in the corridor outside the patient's room after imaging an isolation patient? To comply with hospital regulations regarding equipment maintenance.
To prevent the spread of infection and maintain a sterile environment. To ensure the equipment is ready for the next patient immediately. To allow for better access to the equipment by staff.
lateral left lateral prone supine
- What tube angulation and placement is required for an AP axial (Towne) method of the skull? 37 degrees cephalad exit IOML 30 degrees caudad exit IOML 30 degrees cephalad exit OML 37 degrees caudad exit IOML
- Which of the following interactions has a significant impact on the CONTRAST of the x-ray image? photoelectric brems characteristic compton
- Describe the significance of the olecranon in the context of elbow imaging. The olecranon is a muscle that aids in elbow flexion and extension. The olecranon is a bony prominence that serves as a key landmark for assessing elbow joint alignment and pathology in imaging. The olecranon is a ligament that stabilizes the elbow joint during imaging.
- If a patient presents with contrast media extravasation and exhibits significant swelling and pain, what combination of treatments should be prioritized based on the guidelines? apply a cold pack and elevate the limb apply pressure to the site of injection and moist heat apply pressure and administer pain medication administer pain medication and apply a cold pack
- Interphase death occurs when? during hormesis after a direct hit from alpha radiation after a direct hit from gamma radiation when the cell dies before replicating
- What type of scattering is known to reduce contrast in an x-ray image? Rayleigh scattering Elastic scattering Compton scattering Photoelectric effect
- Describe why the Trendelenburg position is used to visualize a
hiatal hernia during an UGI series. The Trendelenburg position is used to improve patient comfort during the procedure.
produced with: the infraorbitomeatal line and central ray perpendicular to the image the orbitomeatal line and central ray perpendicular to the image
the infraorbitomeatal line is perpendicular to the image and central ray is angled 20 degrees caudally the orbitomeatal line is perpendicular to the image and central ray is angled 15 degrees caudally
- If a spinning top test indicates rectifier failure in an X-ray unit, what immediate action should a radiologic technologist take? Ignore the test results if the images appear acceptable Perform maintenance or repair on the rectifier system Change the imaging technique to a different modality Increase the radiation dose for better imaging
- Describe the role of HL-7 in managing clinical data within healthcare systems. HL-7 is a standard for imaging techniques in radiology. HL-7 is used for patient positioning during imaging procedures. HL-7 regulates radiation exposure in medical imaging. HL-7 facilitates the exchange of administrative and clinical data between healthcare systems.
- Proper treatment for contrast media extravasation into tissues around a vein includes?
1 only 2 only
- Image contrast is affected by beam quality kVp mAs all of the above
- Describe the relationship between the angle of the anode face and spatial resolution in radiology. The angle of the anode face has no effect on spatial resolution in radiology. Increasing the anode angle improves spatial resolution by allowing better image capture. Spatial resolution is only affected by the type of imaging technique used, not the anode angle. As the angle of the anode face increases, spatial resolution decreases due to the effects of geometry on image clarity.
- According to state/federal regulations, the maximum exposure rate for a fixed intensified fluoroscopic unit (with AERC) is: 10 R/min (88 mGY/min) 50 R/min (440 mGy/min)
25 R/min (220 mGy/min) 5 R/min (44 Gy/min
