GXMO Review Study Guide Exam with
Actual Answers 2025-2026 Updated.
When were x-rays discovered? - Answer Nov 8th, 1895
Who were x-rays discovered by? - Answer Wilhelm Conrad Roentgen in Germany
Radiograph - Answer a recording of an Xray image (non-moving)
When was the first medical radiograph in the US? - Answer 1896
Fluoroscopy - Answer -developed in the early 1900's by Thomas Edison
-viewing Xray images in motion (dynamic)
The American Society of Radiology Technologists (ASRT) - Answer 1920
-political action committee
-research, CE, guidelines for rad instruction
The American Registry of Radiologic Technologists (ARRT) - Answer 1922
-rules regarding taking xrays
-maintains a registered list of technologists
i.e. Jeffrey L. Rowe RT(R)
Angiography - Answer uses xrays to image of blood vesssels highlighted by injected contrast
media
Mammography - Answer use of special xray equipment to image breast tissue
CT Scan / CAT Scan / Computed Tomography - Answer use of xray to make sectional
"slice"images that can be restructured as 3D images
Nuclear Medicine - Answer images of organ function using radiopharmaceuticals.
(inject to evaluate the organ's function)
,Radiation Therapy - Answer use of radiation to treat cancer tissue
(pinpoint a certain area)
Sonography - Answer use of high frequency (ultrasound) sound waves to make images of the
body
i.e. submarines use
Magnetic Resonance Imaging MRI - Answer use of magnetic field and radiowaves to
generate sectional images of the body
Limitations of GXMO - Answer limited scope of practice-have to be certified in certain areas
of the body
-must have practitioner direct supervision
-no portables
-no CT or fluoro
-no IV injections
-no OR operating
In control booth - Answer -select exposure factors
-give pt breathing instructions
-observe pt while making exposure
4 most important things when taking an xray - Answer measure, marker, collimate, shield
Reciprocity - Answer one state recognizes license issued by another state
GMXO in Ohio must be... - Answer -administered by the ODH
-must be 18 yrs old to apply
-must complete approved education program
-shall be of good moral character
GMXO license categories - Answer -chest and abdomen
-upper ext and lower ext
-skull and sinus
-spine
-podiatric radiography (foot and ankle)
, -bone density
GMXO license expiration - Answer -biennially on licensee's birthday
-renewal requires completion of 12 hrs of CEs
informed consent - Answer pt must be legally competent (otherwise legal guardian)
assault - Answer -threat to injury
-never threaten a pt to gain cooperation
battery - Answer -unlawful touching
-touching without consent or when expressly prohibited by the pt
-performing procedure on wrong pt
intentional misconduct - Answer -assault or battery
-have pt state their full name and DOB each time you do an exam
intentional misconduct legal considerations - Answer -false imprisonment
-invasion of privacy: breach of confidentiality
-Libel (written) Slander (verbal)- spread of info
xray tube - Answer source of xrays
primary radiation - Answer -leaves the xray tube in all directions
-emitted towards the pt and image receptor
tube housing - Answer lead lined protective housing
tube port - Answer opening in tube housing that allows primary xray beam to exit
/opening in protective housing allowing emission of primary radiation
radiation field - Answer area of beam that strikes the pt
(usually visualized as the xray field light)
central ray - Answer imaginary line in center beam
Actual Answers 2025-2026 Updated.
When were x-rays discovered? - Answer Nov 8th, 1895
Who were x-rays discovered by? - Answer Wilhelm Conrad Roentgen in Germany
Radiograph - Answer a recording of an Xray image (non-moving)
When was the first medical radiograph in the US? - Answer 1896
Fluoroscopy - Answer -developed in the early 1900's by Thomas Edison
-viewing Xray images in motion (dynamic)
The American Society of Radiology Technologists (ASRT) - Answer 1920
-political action committee
-research, CE, guidelines for rad instruction
The American Registry of Radiologic Technologists (ARRT) - Answer 1922
-rules regarding taking xrays
-maintains a registered list of technologists
i.e. Jeffrey L. Rowe RT(R)
Angiography - Answer uses xrays to image of blood vesssels highlighted by injected contrast
media
Mammography - Answer use of special xray equipment to image breast tissue
CT Scan / CAT Scan / Computed Tomography - Answer use of xray to make sectional
"slice"images that can be restructured as 3D images
Nuclear Medicine - Answer images of organ function using radiopharmaceuticals.
(inject to evaluate the organ's function)
,Radiation Therapy - Answer use of radiation to treat cancer tissue
(pinpoint a certain area)
Sonography - Answer use of high frequency (ultrasound) sound waves to make images of the
body
i.e. submarines use
Magnetic Resonance Imaging MRI - Answer use of magnetic field and radiowaves to
generate sectional images of the body
Limitations of GXMO - Answer limited scope of practice-have to be certified in certain areas
of the body
-must have practitioner direct supervision
-no portables
-no CT or fluoro
-no IV injections
-no OR operating
In control booth - Answer -select exposure factors
-give pt breathing instructions
-observe pt while making exposure
4 most important things when taking an xray - Answer measure, marker, collimate, shield
Reciprocity - Answer one state recognizes license issued by another state
GMXO in Ohio must be... - Answer -administered by the ODH
-must be 18 yrs old to apply
-must complete approved education program
-shall be of good moral character
GMXO license categories - Answer -chest and abdomen
-upper ext and lower ext
-skull and sinus
-spine
-podiatric radiography (foot and ankle)
, -bone density
GMXO license expiration - Answer -biennially on licensee's birthday
-renewal requires completion of 12 hrs of CEs
informed consent - Answer pt must be legally competent (otherwise legal guardian)
assault - Answer -threat to injury
-never threaten a pt to gain cooperation
battery - Answer -unlawful touching
-touching without consent or when expressly prohibited by the pt
-performing procedure on wrong pt
intentional misconduct - Answer -assault or battery
-have pt state their full name and DOB each time you do an exam
intentional misconduct legal considerations - Answer -false imprisonment
-invasion of privacy: breach of confidentiality
-Libel (written) Slander (verbal)- spread of info
xray tube - Answer source of xrays
primary radiation - Answer -leaves the xray tube in all directions
-emitted towards the pt and image receptor
tube housing - Answer lead lined protective housing
tube port - Answer opening in tube housing that allows primary xray beam to exit
/opening in protective housing allowing emission of primary radiation
radiation field - Answer area of beam that strikes the pt
(usually visualized as the xray field light)
central ray - Answer imaginary line in center beam
