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Radiologic and Imaging Sciences Study Set 1

Medicine

Quiz 7 :

Radiographic Imaging

Quiz 7 :

Radiographic Imaging

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All of the following are related except
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Answer:

D

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Bowel gas in the abdomen is an example of a _____ material,with regard to the X-ray beam.
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Answer:

B

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As you position patients for various radiographic procedures,you will occasionally angle the X-ray tube assembly.This intentional use of tube angles is referred to as
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Answer:

C

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The invisible,unprocessed data on an image detector immediately after X-ray exposure forms the _____ image.
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A direct capture digital radiography detector uses _____ as the receptor material.
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The x-radiation that is "left over" and exits the patient to strike the image receptor and create the image is known as _____ radiation.
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When radiographic images of patients are created,many exposure variables come into play to produce optimum image quality.Any change in the radiographic image appearance should be the result of
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The component that intercepts the remnant radiation from a patient and creates the radiographic image is the
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As you process a radiographic image of the abdomen of a small child,you notice a small ring-like object on the image.It appears this object is in the patient's stomach,which is consistent with the examination history.The ring shows on the X-ray image because of its metallic density.This is the result of
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Sub-optimum mAs exposures in CR imaging technology will yield an image that is
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X-ray film imaging has been replaced by
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As you perform a portable chest radiograph,the optimal SID of 40 inches is unattainable because of orthopedic supports over the patient.It is necessary for you to shorten the SID to 34 inches.A professional radiographer should do which of the following?
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Optimum radiographic image quality is a function of proper exposure technique selection.Given the three sets of mAs calculations that follow,all three should yield the same degree of radiographic exposure to a detector. Exposure 1: 200 mA 0.05 ms Exposure 2: 100 mA 0.10 ms Exposure 3: 400 mA 0.025 ms This is known as
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The resolution of an image using thin-film-transistor (TFT)technology is determined by the
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The production of x-radiation that occurs in an X-ray tube requires the movement of negatively charged particles traveling from one side of the tube to the other.This movement of charges must occur in
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There are four primary image quality factors.They are
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The total quantity of X-ray photons produced during an exposure is determined by the
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Of all of the energy traveling through the X-ray tube during a radiographic exposure,the largest percentage of this electrical energy is converted to
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All of the following are true of computed radiography (CR)except
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The X-ray tube component that stops the stream of electrons and produces the X-ray beam is called the
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