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OHIO GXMO STUDY GUIDE UPDATED
ACTUAL EXAM WITH CORRECT SOLUTIONS.
Who discovered x-rays? - correct answer- Wilhelm Conrad Roentgen
When were x-rays discovered? - correct answer- November 8, 1895 in Germany
What are the 3 Cardinal Principals of radiation protection? - correct answer- Maximize distance, maximize shielding, minimize time
What is Erythema? - correct answer- Reddening of the skin
What is Anemia? - correct answer- Decrease of oxygen in blood, low blood count
What is Leukopenia? - correct answer- Low WBC count
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What is epilation? - correct answer- Loss of hair
What does ALARA stand for? - correct answer- As Low As Reasonably Achievable
What is collimation? - correct answer- Limits the size/area of the x-ray beam
What is a proton? - correct answer- Positively charged, in nucleus of atom
What is a neutron? - correct answer- No electrical charge, in nucleus of atom
What is a electron? - correct answer- Negatively charged, in orbital shell around nucleus of an atom
What is an ion? - correct answer- A charged particle
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What is ionization? - correct answer- Process of an electron leaving its orbit around a neutral atom
What is an ion pair? - correct answer- An electron and a positive charged atom
What does isotropic mean? - correct answer- Equal in all directions
What is energy? - correct answer- The ability to do work
What is mass? - correct answer- The quantity of matter
What is matter? - correct answer- Anything that occupies space and has mass
What travels at 186,000 miles/second? - correct answer- All electromagnetic radiation
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Does electromagnetic radiation have mass? - correct answer- No
What has higher energy than visible light? - correct answer- X- rays
What happens when x-rays are absorbed by body tissue? - correct answer- Causes ionization of atoms and molecules
Ionization can result in what type of damage? - correct answer- Biological Damage
What is radioplaque? - correct answer- DOES NOT go through
What is radiolucent? - correct answer- Sees through
A special mechanism that stops tube movement at a specific location is? - correct answer- Detent
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