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TEST BANK for Dental Radiography Principles and Techniques 6th Edition Joen, Laura Jansen
TEST BANK for Dental Radiography Principles and Techniques 6th Edition Joen, Laura Jansen
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,Chapter_01.bnkMULTIPLE 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 image shadows on a receptor.
c. a high-energy radiation produced by the collision of a beam of
electrons with a metal target in an x-ray tube.
d. a branch of medicine that deals with the use of x-rays.
ANS: a
Radiation is a form of energy carried by waves or streams of particles.
An x-ray is a beam of energy that has the power to penetrate substances
and record image shadows on a receptor. X-radiation is a high-energy
radiation produced by the collision of a beam of electrons with a metal
target in an x-ray tube. Radiology is a branch of medicine that deals with
the use of x-rays.
PTS: 1
DIF: Recall
REF: Page 1
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 Radiophysics and Radiobiology
2. A radiograph is defined as
a. a beam of energy that has the power to penetrate substances and
record image shadows on a receptor.
b. an image or picture produced on a receptor by exposure to ionizing
radiation.
c. the art and science of making radiographs by the exposure of an image
receptor to x-rays.
d. a form of energy carried by waves or a stream of particles.
ANS: b
,An x-ray is a beam of energy that has the power to penetrate substances
and record image shadows on a receptor. A radiograph is an image or
picture produced on a receptor by exposure to ionizing radiation.
Radiography is the art and science of making dental images by the
exposure of a receptor to x-rays. Radiation is a form of energy carried by
waves or streams of particles.
PTS: 1
DIF: Comprehension
REF: Page 1
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 Radiophysics and Radiobiology
3. Your patient asked you why dental images are important. Which of
the following is the correct response?
a. An oral examination with dental images limits the practitioner to what
is seen clinically.
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
dental images.
ANS: d
An oral examination without dental images limits the practitioner to
what is seen clinically. Many dental diseases and conditions produce no
clinical signs and symptoms. Dental images are a necessary component
of comprehensive patient care. Many dental diseases are typically
discovered only through the use of dental images.
PTS: 1
DIF: Application
REF: Page 1
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.
ANS: 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 the negative electrode of a vacuum
tube traveled in straight lines, produced heat, and resulted in a greenish
fluorescence. William Crookes discovered in the late 1870s that cathode
rays were streams of charged particles.
PTS: 1
DIF: Recall
REF: Page 1 | Page 2
OBJ: 4
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5
General
5. Who exposed the first dental radiograph in the United States using a
live person?
a. Otto Walkoff
b. Wilhelm Roentgen
c. Edmund Kells
d. Weston Price
ANS: c
Otto Walkoff was a German dentist who made the first dental
radiograph. Wilhelm Roentgen was a Bavarian physicist who discovered
the x-ray. Edmund Kells exposed the first dental radiograph in the
United States using a live person. Price introduced the bisecting
technique in 1904.
PTS: 1
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