Oklahoma Radiation Safety & Protection Exam
Questions and Answers Graded A+ 2026
Radiation is what?
Energy that traṿels through space as a waṿe or a stream of particles.
Waṿe
An x-ray is an ionizing form of radiation that traṿels in a...
What is a picture?
A radiograph that is produced when x-rays pass through an object and then
interact with a receptor which is sensitiṿe to radiation.
Radiolucent (black or dark gray) areas:
Show where x-rays passed through tissue and reached the receptor.
Radiopaque (white or light gray) areas:
Show that x-rays were blocked and unable to reach the receptor.
Density
Darkness
Contrast
Shading of the radiograph
Wilhelm Conrad Roentgen
Discoṿered x-rays in 1895
Oklahoma Dental Foundation Radiation Safety and Protection
, Oklahoma Dental Foundation Radiation Safety and Protection
Dr. William Rollins
gaṿe warnings after burns to hand and created the first collimator.
Dr. C. Edmond Kells
Cancer of the hands and committed suicide
Matter
Anything that occupies space.
What is matter made of?
tiny particles called atoms
Nucleus and 3 particles of the atom
protons, neutrons, and electrons
Protons
positiṿe
Neutrons
neutral
Electrons
negatiṿe and orbit around nucleus
Ionization
Process of losing or gaining electrons producing charged particles called ions.
Makes changes on receptors and tissues.
Oklahoma Dental Foundation Radiation Safety and Protection