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RADT 142c Unit 1 Exam Questions and Answers
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radiation - Answer-transfer of energy through space or a material away from the source iodized radiation - Answer-x-rays, gamma, removes electron non iodized - Answer-radio, not enough to remove electrons x-rays - Answer-electromagnetic radiation with extremely short wavelengths can pass ...

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  • October 9, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • radt 142c unit 1 exam questions and answers
  • radiation answer transfer of energy through spac

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  • Registered Drug And Alcohol Technician
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RADT 142c Unit 1 Exam Questions and
Answers
radiation - Answer-transfer of energy through space or a material away from the source

iodized radiation - Answer-x-rays, gamma, removes electron

non iodized - Answer-radio, not enough to remove electrons

x-rays - Answer-electromagnetic radiation with extremely short wavelengths
can pass through many materials

who discovered x-rays? - Answer-Wilhelm Roentgen

When was x-ray discovered? - Answer-November 8, 1895

how was the x-ray discovered? - Answer-Crooke's tube
barium platinocyanide

what was the first radiograph? - Answer-Anna Bertha Roentgen's hand (30 min.
exposure)

properties of x-ray - Answer--polyenergetic about 1-90 kv
-Highly penetrating
• Invisible
• Ionize atoms
• Cause chemical and biological changes
• Travel in a straight line
• Produce scatter and secondary radiation
• Cannot be focused by a lens
whats not absorbed are considered scatter radiation

what are the most common forms of x-rays? - Answer-chest

types of diagnostic exams - Answer--chest
-extremities
-skull/facial
-spine
-gastrointestinal
-interventional

what are the two types of x-ray exam? - Answer-radiography (past)
fluoroscopy (real time image)

, who invented the fluoroscope - Answer-Thomas Edison in 1898
barium powder is drunken to be able to see intestines and stomach clearly

ARRT= - Answer-= (R.T.)
American Registry of Radiologic Technologists
R.T. - Certification in Radiologic Technology
- National certification
• R.T.- Must take an exam
• Pass with 75%
- Can take this after completing program
TEST AND CERTIFY TECHS

CRT - Answer-Certified Radiologic Technologist
State of California, Dept of Health - Radiation Health Branch- Licensing to practice in
California
• CRT- State Licensing
• Need this in order to practice in the state of California
- Must pass ARRT exam to get this
- Pay fee to get radiography license (R)

C.R.T. (R) (F) (M) - Answer-Radiography, Fluoroscopy, Mammography

J.R.C.E.R.T - Answer-J.R.C.E.R.T - Joint Review Committee on Education in
Radiologic Technology
(goes to different schools to check accrediation)

T.J.C - The Joint Commission - Answer-inspects medical facilities pertaining to high
patient care

A.S.R.T-American Society of Radiologic Technologists - Answer-provide its member
continuing education credits

beyond diagnostic radiography - Answer-1. Ultrasound (sonography)
2. Angiography
3. Computerized tomography (CT)
4. Magnetic Resonance Imaging (MRI)
5. Nuclear Medicine
a. Positron Emission Tomography (PET)
6. Mammography
7. Radiation Therapy

Ultrasound (sonography) - Answer-uses high frequency SOUND waves
-NON iodized radiation, real time (fluoroscope)

angiography - Answer-study of blood vessels using contrast media

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