DANB RHS 57 Exam - Study Guide Review Questions With 100% Correct Answers|19 Pages
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Course
DANB RHS
Institution
DANB RHS
Xrays Charastically
a) travel in waves
b) are invisible
c) have no mass
d) all of the above - ️️d
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 - ️�...
a) travel in waves
b) are invisible
c) have no mass
d) all of the above - ✔ ✔ d
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 - ✔ ✔ d
a unit measuring ionization in the air is known as
a) coulomb per kilogram
b) gray
c) siervert
d) anstorm - ✔ ✔ a
,A unit measuring the effect of xrays and tissues is defined as
a) rad
b) rem
c) roentgen
d) angstrom - ✔ ✔ b
an electron is defined as
a) anything that occupies space and has mass
b) electrically neutral tiny particle
c) center of the atom
d) negatively charged atomic particle - ✔ ✔ d
an insufficinate amount of verticle angulation will produce an image
appearing
a)foreshortened
b) elongated
c) overlapped
d) herringboned - ✔ ✔ b
Background Radiation originates from:
, a)enviornment
b) outerspace
c) radionuclides
d) terrestrail radiation
e) all of the above - ✔ ✔ e
Common Characteristics of radiation are
a) wavelengths that determine the penetrating power of the energy
b) forms of electromagnetic radiation
c) the giving off of electrical fields at right angles to the path of travel
d) straight lines that travel at 186,000 miles per second
e) all of the above - ✔ ✔ e
Conecutting of the film is the result of
a) central ray not being aimed at the center of the film
b) central ray being aimed at the center of the film
c) film extending more than 1/2 inch above or below the occlusal plane
d) none of the above - ✔ ✔ a
Dense structures such as bone and enamel
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