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DANB's NYR (NYR) Practice Tests & Test Prep by Exam Edge - Review



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DANB's New York Radiology - Reviews


   Excellent
Based on 145 reviews

Rofiah


"I found the practice tests extremely helpful. I passed the DANB RHS exam and felt that the subject matter was thoroughly covered by your practice tests. The viewing of films and answering questions on them was especially helpful. Thank you very much for the assistance in preparing for the DANB RHS exam."

Kay


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"Easy to purchase & easily accessible. Great tool to use"

Charisse


"Yesterday I pass My CDA test. Your test really help me and I just would to say thank you."



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See why our users from 154 countries love us for their exam prep! Including 145 reviews for the DANB's NYR exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

   Excellent -- Based on 145 reviews

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DANB's New York Radiology - Test Reviews Sample Questions

Intensifying screens:

Correct Answer:
contain phosphors that emit blue or green light.
intensifying screens are a crucial component in the field of radiography, particularly in the context of extraoral dental imaging. these screens play a vital role in enhancing the effectiveness and safety of radiographic imaging procedures by significantly reducing the amount of radiation exposure required to produce a clear image.

the primary function of intensifying screens is not to magnify the amount of radiation but rather to convert the x-ray radiation into visible light, which can then expose the photographic film in a more efficient manner. the screens contain phosphors that emit blue or green light when struck by x-rays. this emitted light is much more effective at exposing film than the direct impact of the much lower intensity x-ray photons themselves.

the choice of blue or green light emission depends on the type of phosphor used in the screen and the sensitivity of the film to different colors of light. the use of these screens allows for the use of lower doses of x-rays, since the light emitted by the screen exposes the film more efficiently than the x-rays would alone. this is particularly important in reducing the radiation dose to the patient, which is a critical concern in all medical imaging applications.

it's important to note that intensifying screens are typically used in extraoral films, such as panoramic dental x-rays and other broad field imaging, where the film is not placed inside the mouth but outside, close to the face or around the head. these extraoral setups benefit significantly from the use of intensifying screens because they can cover larger areas without increasing the radiation exposure to harmful levels.

contrary to some misconceptions, intensifying screens do not absorb scatter radiation or increase the amount of exposure time needed. in fact, they decrease the exposure time because of their efficiency at converting x-rays to light. scatter radiation, which can blur the image and reduce its diagnostic quality, is managed through other means such as collimation and the use of grids.

overall, the correct understanding of the role of intensifying screens is vital for professionals in the radiography field to optimize the use of radiographic imaging, enhancing patient safety by minimizing radiation exposure, while ensuring high-quality diagnostic images. this knowledge also aids in the proper maintenance and handling of radiographic equipment to maintain its efficacy and longevity.