TEST BANK For Dental Radiography:
IIll IIll IIll IIll IIll
Principles and Techniques 6th Edition
IIll IIll IIll IIll IIll
by Joen Iannucci & Laura Jansen Howerton
IIll IIll IIll IIll IIll IIll IIll
Chapters 1 - 35 | CompleteIIll IIll IIll IIll IIll IIll
,Chapter 01: Radiation History
IIll IIll IIll
Iannucci: Dental Radiography, 6th Edition
IIll IIll IIll IIll
MULTIPLE CHOICE IIll
1. Radiation is defined as IIll IIll IIll
a. a form of energy carried by waves or streams of particles.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
b. a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll imageshadows on a receptor. Il IIll IIll IIll
c. a high-energy radiation produced by the collision of a beam of electrons
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll with ametal target in an x-ray tube. IIll Il IIll IIll IIll IIll IIll
d. a branch of medicine that deals with the use of x-rays.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
ANSWER: A IIll
Radiation is a form of energy carried by waves or streams of particles. An x-ray is a
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
beam ofenergy that has the power to penetrate substances and record image shadows on
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a receptor.
IIll IIll
X-radiation is a high-energy radiation produced by the collision of a beam of electrons IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
with ametal target in an x-ray tube. Radiology is a branch of medicine that deals with
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
the use of
IIll IIll IIll
x-rays.
DIF: Recall REF: Page 2 OBJ: 1 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
radiophysicsand radiobiology
IIll Il IIll
2. A radiograph is defined as
IIll IIll IIll IIll
a. a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll imageshadows on a receptor. Il IIll IIll IIll
b. a picture on film produced by the passage of x-rays through an object or body.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
c. the art and science of making radiographs by the exposure of an image
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
receptor tox-rays.
IIll IIll Il
d. a form of energy carried by waves or a stream of particles.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
ANSWER: B IIll
An x-ray is a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
image shadows on a receptor. A radiograph is a picture on film produced by the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
passage of x-rays through an object or body. Radiography is the art and science of
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
making dental images by theexposure of a receptor to x-rays.
IIll IIll Radiation is a form of IIll IIll IIll Il IIll IIll IIll IIll IIll I I l l IIll IIll IIll IIll
energy carried by waves or streams of particles.
IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Comprehension REF: Page 2 OBJ: IIll IIll IIll IIll
1TOP: CDA, RHS, III.B.2. Describe the characteristics of x-
IIll Il I I l l IIll IIll IIll IIll IIll IIll IIll
radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
radiophysicsand radiobiology
IIll Il IIll
3. Your patient asked you why dental images are important. Which of the following
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
is thecorrect response?
IIll IIll Il IIll
a. An oral examination with dental images limits the practitioner to what is
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
seenclinically.
IIll Il
b. All dental diseases and conditions produce clinical signs and symptoms.
IIll IIll IIll IIll IIll IIll IIll IIll IIll
, c. Dental images are not a necessary component of comprehensive patient care.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
d. Many dental diseases are typically discovered only through the use of
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll dentalimages. Il
ANSWER: D IIll
An oral examination without dental images limits the practitioner to what is seen clinically.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
Many dental diseases and conditions produce no clinical signs and symptoms. Dental
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
imagesare a necessary component of comprehensive patient care. Many dental diseases are
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
typically discovered only through the use of dental images.
IIll IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Application REF: Page 2 OBJ: 2 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
4. The x-ray was discovered by
IIll IIll IIll IIll
a. Heinrich Geissler IIll
b. Wilhelm Roentgen IIll
c. Johann Hittorf IIll
d. William Crookes IIll
ANSWER: B IIll
Heinrich Geissler built the first vacuum tube in 1838.
IIll Wilhelm Roentgen discovered the IIll IIll IIll IIll IIll IIll IIll I I l l IIll IIll IIll
x-ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
from the negative electrode of a vacuum tube traveled in straight lines, produced heat,
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
and resultedin a greenish fluorescence. William Crookes discovered in the late 1870s
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
that cathode rays were streams of charged particles.
IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Recall REF: Page 2 OBJ: 4 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
5. Who exposed the first dental radiograph in the United States using a live person?
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Otto Walkoff IIll
b. Wilhelm Roentgen IIll
c. Edmund Kells IIll
d. Weston Price IIll
ANSWER: I I l l C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
Roentgenwas a Bavarian physicist who discovered the x-ray. Edmund Kells exposed the
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
first dental radiograph in the United States using a live person. Price introduced the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
bisecting technique in 1904.
IIll IIll IIll IIll
DIF: Recall REF: Page 4 OBJ: 5 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
6. Current fast radiographic film requires IIll IIll IIll IIll % less exposure time than the initial
IIll IIll IIll IIll IIll IIll
exposuretimes used in 1920.
IIll Il IIll IIll IIll
a. 33
b. 98
c. 73
, d. 2
ANSWER: D IIll
Current fast radiographic film requires 98% less exposure time than the initial exposure
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
timesused in 1920.
IIll Il IIll IIll
DIF: Comprehension REF: Page 5 OBJ: IIll IIll IIll IIll
6TOP: CDA, RHS, III.B.2. Describe the characteristics of x-
IIll Il I I l l IIll IIll IIll IIll IIll IIll IIll
radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
7. Who modified the paralleling technique with the introduction of the long-cone technique?
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. C. Edmund Kells IIll IIll
b. Franklin W. McCormack IIll IIll
c. F. Gordon Fitzgerald IIll IIll
d. Howard Riley Raper IIll IIll
ANSWER: C IIll
C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
reintroduced the paralleling technique in 1920. F. Gordon Fitzgerald modified the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
parallelingtechnique with the introduction of the long-cone technique. This is the
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
technique currently used. Howard Riley Raper modified the bisecting technique and
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
introduced the bite-wing technique in 1925.
IIll IIll IIll IIll IIll IIll
DIF: Recall REF: Page 4 OBJ: 7 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
8. Which of the following is an advantage of digital imaging?
IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Increased patient radiation exposure IIll IIll IIll
b. Increased patient comfort IIll IIll
c. Increased speed for viewing images IIll IIll IIll IIll
d. Increased chemical usage IIll IIll
ANSWER: C IIll
Patient exposure is reduced with digital imaging. Digital sensors are more sensitive to x-
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort. The
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
image from digital sensors is uploaded directly to the computer and monitor without the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
need for chemical processing. This allows for immediate interpretation and evaluation.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
The image fromdigital sensors is uploaded directly to the computer and monitor without
IIll IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
the need for chemicalprocessing.
IIll IIll IIll IIll Il
DIF: Comprehension REF: Page 6 OBJ: 7 IIll IIll IIll IIll IIll
TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of digital
IIll I I l l IIll IIll IIll IIll IIll IIll IIll
radiography
IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
9. Which discovery was the precursor to the discovery of x-rays?
IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Beta particles IIll
b. Alpha particles IIll
c. Cathode rays IIll
d. Radioactive materials IIll
ANSWER: C IIll
IIll IIll IIll IIll IIll
Principles and Techniques 6th Edition
IIll IIll IIll IIll IIll
by Joen Iannucci & Laura Jansen Howerton
IIll IIll IIll IIll IIll IIll IIll
Chapters 1 - 35 | CompleteIIll IIll IIll IIll IIll IIll
,Chapter 01: Radiation History
IIll IIll IIll
Iannucci: Dental Radiography, 6th Edition
IIll IIll IIll IIll
MULTIPLE CHOICE IIll
1. Radiation is defined as IIll IIll IIll
a. a form of energy carried by waves or streams of particles.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
b. a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll imageshadows on a receptor. Il IIll IIll IIll
c. a high-energy radiation produced by the collision of a beam of electrons
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll with ametal target in an x-ray tube. IIll Il IIll IIll IIll IIll IIll
d. a branch of medicine that deals with the use of x-rays.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
ANSWER: A IIll
Radiation is a form of energy carried by waves or streams of particles. An x-ray is a
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
beam ofenergy that has the power to penetrate substances and record image shadows on
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a receptor.
IIll IIll
X-radiation is a high-energy radiation produced by the collision of a beam of electrons IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
with ametal target in an x-ray tube. Radiology is a branch of medicine that deals with
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
the use of
IIll IIll IIll
x-rays.
DIF: Recall REF: Page 2 OBJ: 1 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
radiophysicsand radiobiology
IIll Il IIll
2. A radiograph is defined as
IIll IIll IIll IIll
a. a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll imageshadows on a receptor. Il IIll IIll IIll
b. a picture on film produced by the passage of x-rays through an object or body.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
c. the art and science of making radiographs by the exposure of an image
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
receptor tox-rays.
IIll IIll Il
d. a form of energy carried by waves or a stream of particles.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
ANSWER: B IIll
An x-ray is a beam of energy that has the power to penetrate substances and record
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
image shadows on a receptor. A radiograph is a picture on film produced by the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
passage of x-rays through an object or body. Radiography is the art and science of
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
making dental images by theexposure of a receptor to x-rays.
IIll IIll Radiation is a form of IIll IIll IIll Il IIll IIll IIll IIll IIll I I l l IIll IIll IIll IIll
energy carried by waves or streams of particles.
IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Comprehension REF: Page 2 OBJ: IIll IIll IIll IIll
1TOP: CDA, RHS, III.B.2. Describe the characteristics of x-
IIll Il I I l l IIll IIll IIll IIll IIll IIll IIll
radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
radiophysicsand radiobiology
IIll Il IIll
3. Your patient asked you why dental images are important. Which of the following
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
is thecorrect response?
IIll IIll Il IIll
a. An oral examination with dental images limits the practitioner to what is
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
seenclinically.
IIll Il
b. All dental diseases and conditions produce clinical signs and symptoms.
IIll IIll IIll IIll IIll IIll IIll IIll IIll
, c. Dental images are not a necessary component of comprehensive patient care.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
d. Many dental diseases are typically discovered only through the use of
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
IIll dentalimages. Il
ANSWER: D IIll
An oral examination without dental images limits the practitioner to what is seen clinically.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
Many dental diseases and conditions produce no clinical signs and symptoms. Dental
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
imagesare a necessary component of comprehensive patient care. Many dental diseases are
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
typically discovered only through the use of dental images.
IIll IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Application REF: Page 2 OBJ: 2 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
4. The x-ray was discovered by
IIll IIll IIll IIll
a. Heinrich Geissler IIll
b. Wilhelm Roentgen IIll
c. Johann Hittorf IIll
d. William Crookes IIll
ANSWER: B IIll
Heinrich Geissler built the first vacuum tube in 1838.
IIll Wilhelm Roentgen discovered the IIll IIll IIll IIll IIll IIll IIll I I l l IIll IIll IIll
x-ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
from the negative electrode of a vacuum tube traveled in straight lines, produced heat,
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
and resultedin a greenish fluorescence. William Crookes discovered in the late 1870s
IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
that cathode rays were streams of charged particles.
IIll IIll IIll IIll IIll IIll IIll IIll
DIF: Recall REF: Page 2 OBJ: 4 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
5. Who exposed the first dental radiograph in the United States using a live person?
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Otto Walkoff IIll
b. Wilhelm Roentgen IIll
c. Edmund Kells IIll
d. Weston Price IIll
ANSWER: I I l l C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
Roentgenwas a Bavarian physicist who discovered the x-ray. Edmund Kells exposed the
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
first dental radiograph in the United States using a live person. Price introduced the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
bisecting technique in 1904.
IIll IIll IIll IIll
DIF: Recall REF: Page 4 OBJ: 5 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
6. Current fast radiographic film requires IIll IIll IIll IIll % less exposure time than the initial
IIll IIll IIll IIll IIll IIll
exposuretimes used in 1920.
IIll Il IIll IIll IIll
a. 33
b. 98
c. 73
, d. 2
ANSWER: D IIll
Current fast radiographic film requires 98% less exposure time than the initial exposure
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
timesused in 1920.
IIll Il IIll IIll
DIF: Comprehension REF: Page 5 OBJ: IIll IIll IIll IIll
6TOP: CDA, RHS, III.B.2. Describe the characteristics of x-
IIll Il I I l l IIll IIll IIll IIll IIll IIll IIll
radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
7. Who modified the paralleling technique with the introduction of the long-cone technique?
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. C. Edmund Kells IIll IIll
b. Franklin W. McCormack IIll IIll
c. F. Gordon Fitzgerald IIll IIll
d. Howard Riley Raper IIll IIll
ANSWER: C IIll
C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
reintroduced the paralleling technique in 1920. F. Gordon Fitzgerald modified the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
parallelingtechnique with the introduction of the long-cone technique. This is the
IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
technique currently used. Howard Riley Raper modified the bisecting technique and
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
introduced the bite-wing technique in 1925.
IIll IIll IIll IIll IIll IIll
DIF: Recall REF: Page 4 OBJ: 7 IIll IIll IIll IIll I I l l
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
I I l l IIll IIll IIll IIll IIll IIll IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
8. Which of the following is an advantage of digital imaging?
IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Increased patient radiation exposure IIll IIll IIll
b. Increased patient comfort IIll IIll
c. Increased speed for viewing images IIll IIll IIll IIll
d. Increased chemical usage IIll IIll
ANSWER: C IIll
Patient exposure is reduced with digital imaging. Digital sensors are more sensitive to x-
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort. The
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
image from digital sensors is uploaded directly to the computer and monitor without the
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
need for chemical processing. This allows for immediate interpretation and evaluation.
IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
The image fromdigital sensors is uploaded directly to the computer and monitor without
IIll IIll IIll Il IIll IIll IIll IIll IIll IIll IIll IIll IIll IIll
the need for chemicalprocessing.
IIll IIll IIll IIll Il
DIF: Comprehension REF: Page 6 OBJ: 7 IIll IIll IIll IIll IIll
TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of digital
IIll I I l l IIll IIll IIll IIll IIll IIll IIll
radiography
IIll
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
I I l l IIll IIll IIll IIll IIll IIll IIll IIll IIll
9. Which discovery was the precursor to the discovery of x-rays?
IIll IIll IIll IIll IIll IIll IIll IIll IIll
a. Beta particles IIll
b. Alpha particles IIll
c. Cathode rays IIll
d. Radioactive materials IIll
ANSWER: C IIll
