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Radiologic Technology ARRT Review With Questions And 100% SURE ANSWERS
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JACKLINERadiologic Technology ARRT Review With Questions And
100% SURE ANSWERS
Terms in this set (140)
Attenuation: Describes changes in the x-ray beam as it travels through the patient
a. is radiation that emerges from the patient
b. describes changes in the x-ray beam as it
travels through the patient
c. produces only scatter radiation
d. occurs only at doses used in radiation
therapy
Which photon-tissue interaction makes Photoelectric
radiography possible because of its
creation of image contrast?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Which photon-tissue interaction produces Compton
radiation that may expose others in the
room during fluoroscopy?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
The SI unit of absorbed dose: Gray
a. Coulombs/kilogram
b. Gray
c. Curie
d. Rad
The SI unit of radioactivity: Becqueral
a. Becqueral
b. Rem
c. Quality factor
d. Curie
1/17
,Measurement of positive and negative Roentgen
particles created when radiation ionizes
atoms in the air:
a. Becquerel
b. Sievert
c. Roentgen
d. Curie
Linear energy transfer: Varies for different types of radiation
a. is the same for all types of radiation
b. is the same for wave and particulate
radiations used in diagnosis and treatment
c. occurs only during x-ray procedures
d. varies for different types of radiation
The unit of the curie would be used in what Nuclear Medicine
imaging modality?
a. Radiography
b. CT
c. MRI
d. Nuclear Medicine
The smallest particle of an element that Atom
retains the characteristics of the element:
a. compound
b. atom
c. molecule
d. neutron
Atomic mass refers to: Number of protons plus number of neutrons
a. the number of protons plus the number
of neutrons
b. the number of electrons plus the number
of protons
c. the number of electrons plus the number
of neutrons
d. the number of protons
X-rays travel as a bundles of energy called: Photons
a. protons
b. phasers
c. particles
d. photons
The height of a sine wave: Amplitude
a. wavelength
b. altitude
c. amplitude
d. frequency
2/17
, The number of x-ray waves passing a given Frequency
point per unit of time:
a. wavelength
b. altitude
c. amplitude
d. frequency
In digital fluoroscopy, the image should be High-resolution monitor
viewed on what device to take advantage
of the digital capabilities?
a. digital view box
b. high-resolution monitor
c. high-definition TV
d. plasma TV
A primary advantage of digital fluoroscopy: Postprocessing manipulation of the image
a. postprocessing manipulation of the
image
b. no radiation dose to the patient
c. no fluoroscopist required
d. lower cost
Which of the following anatomical parts is Ileum
NOT related to the others?
a. Symphysis pubis
b. Ischial spine
c. Iliac crest
d. Ileum
At what level is the image receptor Iliac crest
centered for a lateral lumbosacral spine?
a. ASIS
b. Symphysis pubis
c. Iliac crest
d. First lumbar
In digital fluoroscopy and computed Analog-to-digital converter
radiography, the energy must be changed
to digital form by a(n):
a. digital-to-analog converter
b. flux-capacitor
c. analog-to-digital converter
d. DVD-ROM
An algorithm is: A mathematical formula used to reconstruct the image in digital imaging
a. a mathematical hypothesis used in
imaging
b. a mathematical formula used to
reconstruct the image in digital imaging
c. an advanced imaging procedure
d. the mathematical basis for film-screen
imaging
3/17
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