GXMO MODULE 2 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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Module
GXMO
Institution
GXMO
GXMO MODULE 2 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
Collimation and Light Field - ANSWER Restricts the useful x-ray beam to that part of the body to be images and thereby spares adjacent tissue from unnecessary exposure.
3 types of IR systems - ANSWER Film based cassette
CR Based cassette
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GXMO MODULE 2 QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
Collimation and Light Field - ANSWER Restricts the useful x-ray beam to that part of the body to
be images and thereby spares adjacent tissue from unnecessary exposure.
3 types of IR systems - ANSWER Film based cassette
CR Based cassette
DR
Film based cassette - ANSWER Contains film and screens
CR based cassette - ANSWER Contains an x-ray sensitive plate. Uses Photostimulable phoshor to
generate a latent image
DR - ANSWER Contains capture element made up of sodium iodide, cesium iodide, gadolinium
oxysulfide, or amorphous selenium.
kVp - ANSWER measure of the maximum electrical potential across an x-ray tube
mA - ANSWER measure of x-ray tube current
Matter - ANSWER Anything that occupies space and has shape or form.
Fundamental building blocks of matter are atoms and molecules.
Mass - ANSWER The quantity of matter that makes up any physical object
Atom - ANSWER All matter is composed of fundamental building blocks
, Fundamental particles of an atom - ANSWER electron, proton, neutron
Electron - ANSWER Surrounds the positively charged nucleus and determines the chemical
properties of an atom
Proton - ANSWER Located in the nucleus of an atom
Neutron - ANSWER Mass slightly greater than that of the proton, found in the nucleus
Shells - ANSWER The orbital energy levels surrounding the nucleus of an atom.
Contains the electrons.
Most important in radiology is K.
Orbit - ANSWER The path by which the electron travels around the nucleus
Nonionizing radiation - ANSWER Radiation that includes radio waves and microwaves that is not
capable of removing an orbital electron from an atom with which it interacts.
Ionizing radiation - ANSWER Includes alpha, beta, x-rays, and gamma rays.
Any radiation that is capable of removing an orbital electron from an atom with which it
interacts.
Photons - ANSWER X-rays and gamma rays.
No mass, no charge.
Travel at the speed of light
2 types of ionizing radiation - ANSWER Particulate (alpha and beta particles) and
Electromagnetic radiation (gamma rays and x-rays).
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