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GXMO OHIO EXAM NEWEST 2025 ACTUAL
EXAM COMPLETE 170 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+|BRAND
NEW!!
Who discovered x-rays?
ANSWER: Wilhelm Conrad Roentgen
When were x-rays discovered?
ANSWER: November 8, 1895 in Germany
What are the 3 Cardinal Principles of radiation protection?
ANSWER: Maximize distance, maximize shielding, minimize
time
What is Erythema?
ANSWER: Reddening of the skin
What is Anemia?
ANSWER: Decrease of oxygen in blood, low blood count
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What is Leukopenia?
ANSWER: Low WBC count
What is epilation?
ANSWER: Loss of hair
What does ALARA stand for?
ANSWER: As Low As Reasonably Achievable
What is collimation?
ANSWER: Limits the size/area of the x-ray beam
What is a proton?
ANSWER: Positively charged, in nucleus of atom
What is a neutron?
ANSWER: No electrical charge, in nucleus of atom
What is an electron?
ANSWER: Negatively charged, in orbital shell around nucleus
of an atom
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What is an ion?
ANSWER: A charged particle
What is ionization?
ANSWER: Process of an electron leaving its orbit around a
neutral atom
What is an ion pair?
ANSWER: An electron and a positive charged atom
What does isotropic mean?
ANSWER: Equal in all directions
What is energy?
ANSWER: The ability to do work
What is mass?
ANSWER: The quantity of matter
What is matter?
ANSWER: Anything that occupies space and has mass
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What travels at 186,000 miles/second?
ANSWER: All electromagnetic radiation
Does electromagnetic radiation have mass?
ANSWER: No
What has higher energy than visible light?
ANSWER: X-rays
What happens when x-rays are absorbed by body tissue?
ANSWER: Causes ionization of atoms and molecules
Ionization can result in what type of damage?
ANSWER: Biological Damage
What is radiopaque?
ANSWER: DOES NOT go through
What is radiolucent?