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,Created.By:.Solution.Stuvia
Test.Bank.for.Dental.Radiography:.Principle
s.and.Techniques.6th.Edition.by.Joen.Iannuc
ci.&.Laura.Jansen.Howerton.–.Updated
Chapter.01:.Radiation.History.MULTIPL
E.CHOICE
1. Radiation.is.defined.as
a. a.form.of.energy.carried.by.waves.or.streams.of.particles.
b. a.beam.of.energy.that.has.the.power.to.penetrate.substances.and.record.im.ageshadows
.on.a.receptor.
c. a.high-
energy.radiation.produced.by.the.collision.of.a.beam.of.electrons.with.amet.al.target.in.an.x-
ray.tube.
d. a.branch.of.medicine.that.deals.with.the.use.of.x-rays.
CORRECT ANSWER:C.A
Radiation.is.a.form.of.energy.carried.by.waves.or.streams.of.particles..An.x-
ray.is.a.beam.ofenergy.that.has.the.power.to.penetrate.substances.and.record.image.shad.ows.on.
a.receptor.
X-radiation.is.a.high-
energy.radiation.produced.by.the.collision.of.a.beam.of.electrons.with.ametal.target.in.an.x-
ray.tube..Radiology.is.a.branch.of.medicine.that.deals.with.the.use.of
x-rays.
DIF: Recall. REF: Page.2.OBJ:.1
2
,Created.By:.Solution.Stuvia
TOP:.CDA,.RHS,.III.B.2..Describe.the.characteristics.of.x-radiation
MSC:.NBDHE,.2.0.Obtaining.and.Interpreting.Radiographs.|.NBDHE,.2.1.Principles.of.radiophy
sic.sand.radiobiology
2. A.radiograph.is.defined.as
a. a.beam.of.energy.that.has.the.power.to.penetrate.substances.and.record.im.ageshadows
.on.a.receptor.
b. a.picture.on.film.produced.by.the.passage.of.x-rays.through.an.object.or.body.
c. the.art.and.science.of.making.radiographs.by.the.exposure.of.an.image.recepto.r.tox-rays.
d. a.form.of.energy.carried.by.waves.or.a.stream.of.particles.
CORRECT ANSWER:C.B
An.x-
ray.is.a.beam.of.energy.that.has.the.power.to.penetrate.substances.and.record.image.shad.ows.on
.a.receptor..A.radiograph.is.a.picture.on.film.produced.by.the.passage.of.x-
rays.through.an.object.or.body..Radiography.is.the.art.and.science.of.making.dental.imag.es.by
.theexposure.of.a.receptor.to.x-
rays..Radiation.is.a.form.of.energy.carried.by.waves.or.streams.of.particles.
.DIF: Comprehension REF: Page.2
OBJ:.1.TOP:.CDA,.RHS,.III.B.2..Describe.the.characteristics.of.x-radiation
MSC:.NBDHE,.2.0.Obtaining.and.Interpreting.Radiographs.|.NBDHE,.2.1.Principles.of.radiophy
sic.sand.radiobiology
3. YourCpatient.asked.you.why.dental.images.are.important..Which.of.the.following.is
.thecorrect.response?
a. An.oral.examination.with.dental.images.limits.the.practitioner.to.what.is.se.en.clinically.
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, Created.By:.Solution.Stuvia
b. All.dental.diseases.and.conditions.produce.clinical.signs.and.symptoms.
c. Dental.images.are.not.a.necessary.component.of.comprehensive.patient.care.
d. Many.dental.diseases.are.typically.discovered.only.through.the.use.of.den.talimages.
CORRECT ANSWER:C.D
An.oral.examination.without.dental.images.limits.the.practitioner.to.what.is.seen.clinically..Man
y.dental.diseases.and.conditions.produce.no.clinical.signs.and.symptoms..Dental.images.are.a.ne
cessary.component.of.comprehensive.patient.care..Many.dental.diseases.are.typicall.y.discovere
d.only.through.the.use.of.dental.images.
DIF: Application REF: Page.2.OBJ:.2
TOP:.CDA,.RHS,.III.B.2..Describe.the.characteristics.of.x-radiation
MSC:.NBDHE,.2.0.Obtaining.and.Interpreting.Radiographs.|.NBDHE,.2.5.General
4. The.x-ray.was.discovered.by
a. Heinrich.Geissler
b. Wilhelm.Roentgen
c. Johann.Hittorf
d. William.Crookes
.CORRECT
ANSWER:C.B
Heinrich.Geissler.built.the.first.vacuum.tube.in.1838..Wilhelm.Roentgen.discovered.the. x-
ray.on.November.8,.1895..Johann.Hittorf.observed.in.1870.that.discharges.emitted.from.t.he.
negative.electrode.of.a.vacuum.tube.traveled.in.straight.lines,.produced.heat,.and.result.ed.in.a
.greenish.fluorescence..William.Crookes.discovered.in.the.late.1870s.that.cathode.r.ays.were.
streams.of.charged.particles.
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