RADT 142 PHYSICS AND ELECTRONICS Exam | Questions And Answers Latest {2024-
2025} A+ Graded | 100% Verified
What is ionizing radiation? - radiation with high energy enough to knock electrons off some atoms
What is radiation? - transfer of energy through space in the form of rays, waves, or particles
Name types of non-ionized radiation - RADIO WAVES, MICROWAVES, INFRARED, VISIBLE LIGHT
Name 3 types of ionizing radiation? - X-RAYS, GAMMA RAYS, ULTRAVIOLET (SUN)
What is X-rays? - Electromagnetic radiation with extremely short wavelengths. They can pass through
many materials.
Who DISCOVERED x-rays and when? - Wilhelm Conrad Roentgen on November 8, 1895
What was Wilhelm experimenting with when he discovered x-rays? - crookes tube
Who experimented the first radiograph? - Anna Bertha Roentgen.
Name the properties of x-rays? - Polyenergetic, Invisible, travels in a straight line, highly penetrating,
causes chemical and biological changes, produces scatter and secondary radiation, cannot be focused by
a lens, ionizes atoms and matter
How long did the first radiograph last? - 30 minutes
Types of diagnostic exams as a radiographer - Chest, Extremities, Skull/Facial, Spine, Gastrointestinal,
Interventional
Who invented the fluoroscope and when? - Thomas Edison in 1898
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