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FDI Exam 1 Questions With Correct Answers A+

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FDI Exam 1 Questions With Correct Answers A+ Who discovered x-rays? - AnswerWilhelm Konrad Roentgen Where was it discovered? - AnswerWurzburg, Germany When was it discovered? - AnswerNovember 8, 1895 First x-ray? - Answervacuum tube, cathode ray tube Crookes tube What was concluded with x-ra...

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  • January 5, 2025
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  • 2024/2025
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©Jason MacConnell 2025 ALL RIGHTS RESERVED.




FDI Exam 1 Questions With Correct
Answers A+


Who discovered x-rays? - Answer✔Wilhelm Konrad Roentgen

Where was it discovered? - Answer✔Wurzburg, Germany

When was it discovered? - Answer✔November 8, 1895

First x-ray? - Answer✔vacuum tube, cathode ray tube
Crookes tube

What was concluded with x-rays? - Answer✔invisible form of radiation was produced

name of the x-rays? - Answer✔unknown

first experiment? - Answer✔on wife with 15 minutes of exposure!

first radiograph in us? - Answer✔15 yr old body injured his forearm
exposure time: 20 minutes

Clarence Dally - Answer✔thomas edison's assistant
first reported x-ray related death

pedoscope - Answer✔shoe-fitting fluroscope
30s-50s

William Coolidge - Answer✔invented coolidge tube in 1913 working for GE

Coolidge tube - Answer✔hot cathode tube that produced more x-rays

today's x-ray tubes? - Answer✔refined versions of the coolidge tube

Computed Tomography (CT) - Answer✔invented in 1970

Nuclear Imaging, Positron Emission Tomography (PET) - Answer✔started in the 1950s

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, ©Jason MacConnell 2025 ALL RIGHTS RESERVED.

Ultrasound - Answer✔invented in 1949

Magnetic Resonance Imaging (MRI) - Answer✔invented in 1973
first human studies published in 1977
not in routine clinical use until late 1980s

sensitivity - Answer✔true positive

specificity - Answer✔true negative

indication - Answer✔a reason to use a certain treatment/imaging modality

contraindication - Answer✔a reason to withhold certain treatment/imaging modality

relative contraindication - Answer✔use caution
may do it if benefits outweigh the risk
ex. pregnant

absolute contraindication - Answer✔can be life-threatening
avoid at all costs
ex. aneurysm clip, HVLA fx

planar imaging - Answer✔data collected for an entire layer

tomographic imaging - Answer✔tomos-slice/section
grapho-to write

orthogonal views - Answer✔the views used to take x-rays

optical density - Answer✔higher = darker

object density - Answer✔higher = whiter

contrast - Answer✔

radiolucent - Answer✔black part on the xray

radiopaque - Answer✔white part of soft tissue

sclerosis - Answer✔whiteness of bone

resolution - Answer✔

distortion - Answer✔misrepresentation of the true size and shape of the object


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