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RADT 1010 Test 1 Questions With Correct Answers.

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RADT 1010 Test 1 Questions With Correct Answers.

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RADT 1010 Test 1 Questions With Correct
Answers

Radiography |(X-ray) |- |CORRECT |ANSWER✔✔-Produces |2D |images |using |x-ray |photons, |good |
for |bones, |chest, |abdomen. |Equipment: |x-ray |tube, |detector/film, |grid, |collimator.



Fluoroscopy |- |CORRECT |ANSWER✔✔-Real-time |imaging, |continuous |x-ray |beam |with |an |image
|intensifier |or |flat-panel |detector. |Used |for |swallowing |studies, |catheter |placements, |GI |


imaging.



Tomography |(Conventional) |- |CORRECT |ANSWER✔✔-Uses |motion |of |x-ray |tube |and |film |to |
blur |structures |outside |the |focal |plane.



Mammography |- |CORRECT |ANSWER✔✔-Low |kVp |(25-30) |for |soft |tissue |detail. |Compression |
paddles |to |spread |breast |tissue.



Computed |Tomography |(CT) |- |CORRECT |ANSWER✔✔-Cross-sectional |slices |using |rotating |x-ray
|tubes |and |detectors. |Uses |high |computing |power |for |reconstruction.




Magnetic |Resonance |Imaging |(MRI) |- |CORRECT |ANSWER✔✔-No |ionizing |radiation. |Uses |strong
|magnetic |fields |and |RF |pulses. |Excellent |soft |tissue |contrast.




Positron |Emission |Tomography |(PET) |- |CORRECT |ANSWER✔✔-Nuclear |medicine |scan |using |
radiotracers |(ex: |FDG), |detects |metabolic |activity; |often |fused |with |CT/MRI |for |detail.



X-Ray |Tube |- |CORRECT |ANSWER✔✔-Cathode |(filament) |heats |to |release |electrons. |Electrons |
accelerate |toward |the |tungsten |anode |target. |Interactions |produce |x-rays |Bremsstrahlung |
(majority) |and |Characteristic |radiation.

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