TEST BANK for Textbook of Diagnostic Sonography 8th Edition by Hagen Ansert. (ALL CHAPTERS 1- 65.)
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Textbook of Diagnostic Sonography - E-Book
HERE IS A LIST OF THE CHAPTERS Table of Contents Volume One Part I: Foundations of Sonography 1. Foundations of Clinical Sonography 2. Essentials of Patient Care for the Sonographer 3. Ergonomics and Musculoskeletal Issues in Sonography 4. Introduction to Anatomical Relationships in the Abdominal-P...
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TEST BANK FOR TEXTBOOK OF DIAGNOSTIC SONOGRAPHY 8TH EDITION BY HAGEN-ANSERT
Test Bank For Textbook of Diagnostic Sonography 8th Edition by Sandra Hagen-Ansert 9780323353755 Chapter 1-65 Complete Guide
Textbook of Diagnostic Sonography 8th Edition Hagen-Ansert Test Bank Chapter 1 - 65 Updated Guide 2022
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, Textbook of Diagnostic Sonography 8th Edition Hagen-Ansert Test Bank
Chapter 01: Foundations of Clinical Sonography
Hagen-Ansert: Textbook of Diagnostic Sonography, 8th Edition
MULTIPLE CHOICE
1. Historically, the development of ultrasound began shortly after:
a. radio communication in World War I.
b. sonar in World War II.
c. nuclear testing in World War II.
d. the launching of Sputnik.
ANS: B
World War II brought sonar equipment to the forefront for defense purposes. Ultrasound
was influenced by the success of sonar equipment.
PTS: 1 REF: p. 7
OBJ: Detail a timeline for pioneers in the advancement of medical diagnostic ultrasound.
TOP: Historical overview of sound theory and medical ultrasound
2. The early applications of obstetric ultrasound were initiated by:
a. Joseph Holmes.
b. Ian Donald.
c. John Howry.
d. William Fry.
ANS: B
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Scotland in 1957.
PTS: 1 REF: p. 7
OBJ: Detail a timeline for pioneers in the advancement of medical diagnostic ultrasound.
TOP: Historical overview of sound theory and medical ultrasound
3. Visualization of the cardiac structures in the heart was discovered by:
a. Joseph Holmes.
b. Ian Donald.
c. Hertz and Edler.
d. George Ludwig.
ANS: C
In 1954, echocardiographic techniques were developed in Sweden by Drs. C.H. Hertz and I.
Edler.
PTS: 1 REF: p. 7
OBJ: Detail a timeline for pioneers in the advancement of medical diagnostic ultrasound.
TOP: Historical overview of sound theory and medical ultrasound
4. Which one of the following statements about the role of sonographers is false?
a. Sonographers perform ultrasound studies and gather diagnostic data independent
NURSINGTB.COM
, Textbook of Diagnostic Sonography 8th Edition Hagen-Ansert Test Bank
of the physician.
b. Sonographers must possess intellectual curiosity and perseverance.
c. Sonographers must have a technical aptitude.
d. Sonographers must be able to communicate on different levels.
ANS: A
A sonographer performs ultrasound studies gathering diagnostic data under both the direct
and the indirect supervision of a physician. They also must assess clinical history and
symptoms, interpret laboratory values, and understand other diagnostic examinations.
PTS: 1 REF: p. 5 OBJ: Describe a career in ultrasound.
TOP: Role of the sonographer
5. In soft tissues, the assumed propagation velocity is (in meters per second):
a. 1320.
b. 1450.
c. 1540.
d. 1650.
ANS: C
In soft tissues, the assumed propagation velocity (speed) is 1540 meters per second.
PTS: 1 REF: p. 9
OBJ: Demonstrate an understanding of the basic principles and terminology of ultrasound.
TOP: Introduction to basic ultrasound principles - Acoustics
6. Diagnostic ultrasound uses the frequencies of:
a. 10 to 15 kHz.
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b. 1 to 20 kHz.
c. 100 to 1000 Hz.
d. 1 to 20 MHz.
ANS: D
Diagnostic application of ultrasound uses frequencies of 1 to 20 million cycles per second (1
to 20 MHz).
PTS: 1 REF: p. 9
OBJ: Demonstrate an understanding of the basic principles and terminology of ultrasound.
TOP: Introduction to basic ultrasound principles - Acoustics
7. The device that converts energy from one form to another is called the:
a. digitizer.
b. transducer.
c. scan converter.
d. beam former.
ANS: B
Piezoelectric elements (transducers) convert electric energy into ultrasound energy and vice
versa.
PTS: 1 REF: p. 12
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, Textbook of Diagnostic Sonography 8th Edition Hagen-Ansert Test Bank
OBJ: Demonstrate an understanding of the basic principles and terminology of ultrasound.
TOP: Introduction to basic ultrasound principles - Acoustics
8. The angle of reflection is equal to the:
a. acoustic impedance.
b. angle of incidence.
c. refraction.
d. image resolution.
ANS: B
Angle of reflection is the angle between the reflected sound direction and a line
perpendicular to the media boundary.
PTS: 1 REF: p. 6
OBJ: Demonstrate an understanding of the basic principles and terminology of ultrasound.
TOP: Historical overview of sound theory and medical ultrasound
9. The display mode that shows time along the horizontal axis and depth along the vertical axis
is:
a. A mode.
b. B mode.
c. M-mode.
d. real-time.
ANS: C
Motion mode (M-mode) displays the depth along the vertical axis versus the time along the
horizontal axis.
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PTS: 1 REF: p. 15
OBJ: Identify ultrasound instruments and discuss their uses.
TOP: Pulse-echo display modes - M-mode
10. Which one of the following statements about the Doppler principle is false?
a. Doppler refers to a change in frequency in which the motion of laminar or
turbulent flow is detected within a vascular structure.
b. The beam should be perpendicular to the flow.
c. The Doppler shift is directly proportional to the velocity of the red blood cell.
d. If the red blood cell moves away from the transducer, then the fall in frequency is
directly proportional to the velocity and direction of the red blood cell movement.
ANS: B
The beam should be parallel to the flow to obtain the maximum velocity. The frequency of
the Doppler shift is proportional to the cosine of the Doppler angle. At a 90-degree angle
(perpendicular to flow), the Doppler shift is zero, regardless of the flow velocity.
PTS: 1 REF: p. 18 |p. 19
OBJ: Discuss three-dimensional and Doppler ultrasound.
TOP: Doppler Ultrasound - Doppler Shift
11. The Fresnel zone is also called the:
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