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DANB RHS EXAM - study guide Questions and Answers
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DANB RHS EXAM - study guide Questions and AnswersWhat are the properties of electromagnectic radiation?
a) travels at the speed of light
b) no electrical charge and no mass or weight
c) measurable energies
d) a & b
e) all of the above Correct Ans-e
Ionizing types of radiation include
a) gamma rays
b) cosmic rays
c) xrays
d) only a & b
e) all of the above Correct Ans-e
xrays are categorized in the electromagnetic spectrum according to their
a)milliliters
b)seconds
c) liters
, DANB RHS EXAM - study guide Questions and Answers
d) wavelengths Correct Ans-d
The measurment unit of the number of oscillations per second of electromagnetic radiation is
known as
a)crest
b) wavelength
c) bremsstrahlung
d) frequency Correct Ans-d
Xrays Charastically
a) travel in waves
b) are invisible
c) have no mass
d) all of the above Correct Ans-d
a unit measuring ionization in the air is known as
a) coulomb per kilogram
b) gray
c) siervert
, DANB RHS EXAM - study guide Questions and Answers
d) anstorm Correct Ans-a
A unit measuring the effect of xrays and tissues is defined as
a) rad
b) rem
c) roentgen
d) angstrom Correct Ans-b
Xrays Originate when components in the tube are heated and free electrons are propelled at
high speeds toward the
a) cathode
b) electrode
c) focusing cup
d) tungsten target Correct Ans-d
Dense structures such as bone and enamel
a) absorb more xrays
b) absorb less xrays
c) appear radiopaque
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