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