,Chapter 01: Radiation History
x@ x@ x@
Iannucci: Dental Radiography, 6th Edition
x@ x@ x@ x@
MULTIPLE CHOICE x@
1. Radiation is defined as x@ x@ x@
a. a form of energy carried by waves or streams of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
b. a beam of energy that has the power to penetrate substances and recor
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
d im ageshadows on a receptor.
x@ x @ x@ x@ x@
c. a high- x@
energy radiation produced by the collision of a beam of electrons with
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
x@ amet x @ al target in an x-ray tube.
x@ x@ x@ x@ x@
d. a branch of medicine that deals with the use of x-rays.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ANSWER:C A x@
Radiation is a form of energy carried by waves or streams of particles. An x-
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ray is a beam ofenergy that has the power to penetrate substances and record image
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
shad ows on a receptor.
x@ x @ x@ x@ x@
X-radiation is a high- x@ x@ x@
energy radiation produced by the collision of a beam of electrons with ametal targ
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
et in an x-
x@ x@ x@
ray tube. Radiology is a branch of medicine that deals with the use of
x@ x @ x@ x @ x@ x @ x @ x @ x @ x @ x @ x @ x@
x-rays.
DIF: Recall REF: Page 2 x@ OBJ: x @ 1
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiop
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
hysic x @ sand radiobiologyx@
2. A radiograph is defined as
x@ x@ x@ x@
a. a beam of energy that has the power to penetrate substances and recor
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
, d im ageshadows on a receptor.
x@ x @ x@ x@ x@
b. a picture on film produced by the passage of x-rays through an object or body.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
c. the art and science of making radiographs by the exposure of an imag
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
e recepto r tox-rays.
x@ x@ x@
d. a form of energy carried by waves or a stream of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ANSWER:C B x@
An x- x@
ray is a beam of energy that has the power to penetrate substances and record imag
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
e shad ows on a receptor. A radiograph is a picture on film produced by the
x@ x @ x@ x@ x@ x @ x@ x @ x@ x@ x@ x@ x@ x@ x@
x@ passage of x- x@ x@
rays through an object or body. Radiography is the art and science of making den
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
tal imag es by theexposure of a receptor to x-
x@ x @ x@ x@ x@ x@ x@ x@ x@
rays. x @ Radiation is a form of energy carried by waves or streams of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Comprehension REF: Page 2 x@
OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristic
x@ x@ x @ x@ x@ x@ x@ x@
s of x-radiation
x@ x@
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiop
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
hysic x @ sand radiobiology
x@
3. YourCpatient asked you why dental images are important. Which of the followi
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ng is thecorrect response?
x@ x @ x@
a. An oral examination with dental images limits the practitioner to what
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
is se en clinically.
x@ x@ x@
b. All dental diseases and conditions produce clinical signs and symptoms.
x@ x@ x@ x@ x@ x@ x@ x@ x@
, c. Dental images are not a necessary component of comprehensive patient care.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
d. Many dental diseases are typically discovered only through the use of
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x
@den talimages.x@
ANSWER:C D x@
An oral examination without dental images limits the practitioner to what is seen clinica
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
lly. Many dental diseases and conditions produce no clinical signs and symptoms. Dent
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
al images are a necessary component of comprehensive patient care. Many dental
x@ x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
diseases are typicall y discovered only through the use of dental images.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Application REF: Page 2 x@ OBJ: x @ 2
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: x @ NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
x@ x@ x@ x@ x@ x @ x@ x@ x@
4. The x-ray was discovered by
x@ x@ x@ x@
a. Heinrich Geissler x@
b. Wilhelm Roentgen x@
c. Johann Hittorf x@
d. William Crookes x@
ANSWER:C B x@
Heinrich Geissler built the first vacuum tube in 1838.
x@ x@ x@ x@ x@ x@ x@ x@ x @ Wilhelm Roentgen discovere
x@ x@
d the x-
x@ x @
ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted f
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
rom t x@ x @ he negative electrode of a vacuum tube traveled in straight lines, produced he
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
at, and result ed in a greenish fluorescence. William Crookes discovered in the late 1
x@ x@ x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
870s that cathode r ays were streams of charged particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Recall REF: Page 2 x@ OBJ: x @ 4
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: x @ NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
x@ x@ x@ x@ x@ x @ x@ x@ x@
x@ x@ x@
Iannucci: Dental Radiography, 6th Edition
x@ x@ x@ x@
MULTIPLE CHOICE x@
1. Radiation is defined as x@ x@ x@
a. a form of energy carried by waves or streams of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
b. a beam of energy that has the power to penetrate substances and recor
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
d im ageshadows on a receptor.
x@ x @ x@ x@ x@
c. a high- x@
energy radiation produced by the collision of a beam of electrons with
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
x@ amet x @ al target in an x-ray tube.
x@ x@ x@ x@ x@
d. a branch of medicine that deals with the use of x-rays.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ANSWER:C A x@
Radiation is a form of energy carried by waves or streams of particles. An x-
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ray is a beam ofenergy that has the power to penetrate substances and record image
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
shad ows on a receptor.
x@ x @ x@ x@ x@
X-radiation is a high- x@ x@ x@
energy radiation produced by the collision of a beam of electrons with ametal targ
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
et in an x-
x@ x@ x@
ray tube. Radiology is a branch of medicine that deals with the use of
x@ x @ x@ x @ x@ x @ x @ x @ x @ x @ x @ x @ x@
x-rays.
DIF: Recall REF: Page 2 x@ OBJ: x @ 1
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiop
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
hysic x @ sand radiobiologyx@
2. A radiograph is defined as
x@ x@ x@ x@
a. a beam of energy that has the power to penetrate substances and recor
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
, d im ageshadows on a receptor.
x@ x @ x@ x@ x@
b. a picture on film produced by the passage of x-rays through an object or body.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
c. the art and science of making radiographs by the exposure of an imag
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
e recepto r tox-rays.
x@ x@ x@
d. a form of energy carried by waves or a stream of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ANSWER:C B x@
An x- x@
ray is a beam of energy that has the power to penetrate substances and record imag
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
e shad ows on a receptor. A radiograph is a picture on film produced by the
x@ x @ x@ x@ x@ x @ x@ x @ x@ x@ x@ x@ x@ x@ x@
x@ passage of x- x@ x@
rays through an object or body. Radiography is the art and science of making den
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
tal imag es by theexposure of a receptor to x-
x@ x @ x@ x@ x@ x@ x@ x@ x@
rays. x @ Radiation is a form of energy carried by waves or streams of particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Comprehension REF: Page 2 x@
OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristic
x@ x@ x @ x@ x@ x@ x@ x@
s of x-radiation
x@ x@
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiop
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
hysic x @ sand radiobiology
x@
3. YourCpatient asked you why dental images are important. Which of the followi
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
ng is thecorrect response?
x@ x @ x@
a. An oral examination with dental images limits the practitioner to what
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
is se en clinically.
x@ x@ x@
b. All dental diseases and conditions produce clinical signs and symptoms.
x@ x@ x@ x@ x@ x@ x@ x@ x@
, c. Dental images are not a necessary component of comprehensive patient care.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
d. Many dental diseases are typically discovered only through the use of
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x
@den talimages.x@
ANSWER:C D x@
An oral examination without dental images limits the practitioner to what is seen clinica
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
lly. Many dental diseases and conditions produce no clinical signs and symptoms. Dent
x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
al images are a necessary component of comprehensive patient care. Many dental
x@ x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
diseases are typicall y discovered only through the use of dental images.
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Application REF: Page 2 x@ OBJ: x @ 2
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: x @ NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
x@ x@ x@ x@ x@ x @ x@ x@ x@
4. The x-ray was discovered by
x@ x@ x@ x@
a. Heinrich Geissler x@
b. Wilhelm Roentgen x@
c. Johann Hittorf x@
d. William Crookes x@
ANSWER:C B x@
Heinrich Geissler built the first vacuum tube in 1838.
x@ x@ x@ x@ x@ x@ x@ x@ x @ Wilhelm Roentgen discovere
x@ x@
d the x-
x@ x @
ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted f
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
rom t x@ x @ he negative electrode of a vacuum tube traveled in straight lines, produced he
x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
at, and result ed in a greenish fluorescence. William Crookes discovered in the late 1
x@ x@ x @ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@ x@
870s that cathode r ays were streams of charged particles.
x@ x@ x@ x@ x@ x@ x@ x@ x@
DIF: Recall REF: Page 2 x@ OBJ: x @ 4
TOP: x @ CDA, RHS, III.B.2. Describe the characteristics of x-radiation
x@ x@ x@ x@ x@ x@ x@
MSC: x @ NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
x@ x@ x@ x@ x@ x @ x@ x@ x@