DANB RHS EXAM - study guide
Professor Wilhelm Roentgen :___.
a)advocated radiology in the u.s
b)exposed the first radiographs in the u.s
c)discovered the x-ray
d)employed the first dental auxiliary in the united states - Question and answersc
Digital radiography utilizes the following approach :
a) filmless radiographic computer imaging system
b) electronically charged plated imaging system
c) non-ionizing radio frequency imaging system
d) none of the above - Question and answersa
A form of energy is :
a) heat
b) light
c) electricity
d) x-radiation
e) all of the above - Question and answerse
Photons are described as :
a)bundles of energy
b) dental film mounts
c) electrically neutral particles
d) negatively charged atomic particles - Question and answersa
Limited Penetration, long wavelength radiation is known as :
a) short wavelengths
b) hard radiation
c) soft radiation
d) desirable wavelengths - Question and answersc
Background Radiation originates from:
a)enviornment
b) outerspace
c) radionuclides
d) terrestrail radiation
, e) all of the above - Question and answerse
Ionizing Radiation produces ions when :
a) radiation passes through the body tissues
b) ions compress into the atmosphere
c) isotopes flow freely on air
d) none of the above - Question and answersa
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 - Question and answerse
Hard Radiation is considered to be :
a) short wavelengths with great penetrating power. most desirable and capable of
penetrating oral structures
b) long wavelengths with limited penetrating power. unsuitable for exposing radiographs
- Question and answersa
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 - Question and answersd
Penumbra is defined as :
a) magnification of an object
b) diverging xrays
c) distortion of the shape of an image
d) fuzzy outline of a radiographic image - Question and answersd
What are the properties of electromagnetic 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 - Question and answerse
Professor Wilhelm Roentgen :___.
a)advocated radiology in the u.s
b)exposed the first radiographs in the u.s
c)discovered the x-ray
d)employed the first dental auxiliary in the united states - Question and answersc
Digital radiography utilizes the following approach :
a) filmless radiographic computer imaging system
b) electronically charged plated imaging system
c) non-ionizing radio frequency imaging system
d) none of the above - Question and answersa
A form of energy is :
a) heat
b) light
c) electricity
d) x-radiation
e) all of the above - Question and answerse
Photons are described as :
a)bundles of energy
b) dental film mounts
c) electrically neutral particles
d) negatively charged atomic particles - Question and answersa
Limited Penetration, long wavelength radiation is known as :
a) short wavelengths
b) hard radiation
c) soft radiation
d) desirable wavelengths - Question and answersc
Background Radiation originates from:
a)enviornment
b) outerspace
c) radionuclides
d) terrestrail radiation
, e) all of the above - Question and answerse
Ionizing Radiation produces ions when :
a) radiation passes through the body tissues
b) ions compress into the atmosphere
c) isotopes flow freely on air
d) none of the above - Question and answersa
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 - Question and answerse
Hard Radiation is considered to be :
a) short wavelengths with great penetrating power. most desirable and capable of
penetrating oral structures
b) long wavelengths with limited penetrating power. unsuitable for exposing radiographs
- Question and answersa
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 - Question and answersd
Penumbra is defined as :
a) magnification of an object
b) diverging xrays
c) distortion of the shape of an image
d) fuzzy outline of a radiographic image - Question and answersd
What are the properties of electromagnetic 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 - Question and answerse
