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RADT 1065 Final Exam with correct Answers
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RADT 1065 Final Exam with correct Answers
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RADT 1065 Final Exam with correctAnswers
The protons and neutron of an atom are located in the ________
a. shells
b. muons
c. nucleus
d. photon pairs - Answer -c. nucleus
Filtration of the x-ray beam results in:
a. increased beam quantily
b. increased beam quality
c. lower average energy photons
d. b and c - Answer -b. increased beam quality
A photon of radiation can cause an ionization by ejecting a(n) _______ from an atom
a. neutron
b. nucleon
c. proton
d. electron - Answer -d. electron
All types of electromagnetic radiation will travel ____
a. at the speed of light
b. at the speed of sound
c. fast but depending on the frequency
d. fast but depending on the wavelength - Answer -a. at the speed of light
What primary factor is responsible for the penerability of the x-ray beam?
a. mA
b. kvp
c. time
d. SID - Answer -b. kvp
Infrared and ultraviolet waves and x-rays are all organized by energy(frequency) into the
a. emission spectrum
b. periodic chart
c. electromagnetic spectrum
d. interactions with matter - Answer -c. electromagnetic
, One of the properties of x-rays is the ability to ionize atoms. This can be a concern to
living tissue because ____
a. radiation can cause tissue damage
b. radiation is stored in the body
c. the ability of radiation to cause flurescence
d. ionizations of atoms cause the production of halogens - Answer -a. radiation can
cause tissue damage
Protons possess what type of charge?
a. negative
b. positive
c. neutral - Answer -b. positive
The modern x-ray tube has a rotating anode to
a. capture all the electrons
b. capture all the photons
c. manage the heat load on the target surface
d. ensure the vacuum is maintained in the tube - Answer -c. manage the heat load on
the target surface
The term defined as the ability to do work
a. mass
b. energy
c. ionization
d. current - Answer -b. energy
The units measuring exposure are based on measurements of ____
a. energy deposited in tissue
b. ionizations in air
c. the number of radioactive decays per unit of time
d. the effect of radiation based on type - Answer -b. ionization in air
This radiation unit is used to measure the effect of radiation on different types of tissues.
a. curle
b. becquerel
c. gray
d. seivert - Answer -d. seivert
X-rays cannot be focused by a lens
True or False - Answer -True
X-rays can be attracted to substances with negative electrical charge
True or False - Answer -False
What is the SI unit for absorbed dose?
a. seivert
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