Diagnostic Medical Sonography Review
Questions
Course Introduction
Diagnostic Medical Sonography is a comprehensive course that introduces students to the principles and applications of ultrasound technology in medical diagnosis.
Emphasizing anatomy, physiology, and pathology, the course covers image acquisition, interpretation, and patient care techniques relevant to abdominal, obstetric, gynecologic, and vascular sonography. Students will develop hands-on skills in operating ultrasound equipment and learn essential protocols to ensure accurate diagnostic imaging, while also exploring the ethical and professional standards required in healthcare environments.
Recommended Textbook
Sonography Principles and Instruments 9th Edition by Frederick W. Kremkau PhD
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7 Chapters
473 Verified Questions
473 Flashcards
Source URL: https://quizplus.com/study-set/1224 Page 2
Chapter 1: Introduction
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20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/24200
Sample Questions
Q1) One pulse of ultrasound generates a single scan line as it travels through tissue.
A)True
B)False
Answer: True
Q2) The Doppler effect is caused by a difference in the depth of two moving objects.
A)True
B)False
Answer: False
Q3) The Doppler effect is a change in echo ________.
A) frequency
B) strength
C) amplitude
D) direction
Answer: A
Q4) Color Doppler imaging is superimposed on a gray-scale image.
A)True
B)False
Answer: True
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Page 3
Chapter 2: Ultrasound
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108 Verified Questions
108 Flashcards
Source URL: https://quizplus.com/quiz/24201
Sample Questions
Q1) If the beam area decreases,the intensity ________.
A) decreases
B) remains unchanged
C) increases
D) quadruples
Answer: C
Q2) The rate at which energy passes through a unit area is called ________.
A) amplitude
B) power
C) attenuation
D) intensity
Answer: D
Q3) The best way to describe the role of ultrasound reflection and scattering in diagnostic imaging is it ___________________.
A) is responsible for enhancement
B) provides clear detail
C) allows us to see the tissue interfaces
D) increases the patient's exposure
Answer: C
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Page 4
Chapter 3: Transducers
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75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/24202
Sample Questions
Q1) Contrast and temporal resolution relate more directly to the transducer.
A)True
B)False
Answer: False
Q2) The transducer has an impedance ______ times that of tissue.
A) 4
B) 10
C) 20
D) 6
Answer: C
Q3) The near-zone length decreases with an increase in frequency.
A)True
B)False
Answer: False
Q4) The transducer element converts _________ to _______ and vice versa.
A) voltage; electricity
B) pulses; ultrasound
C) ultrasound; voltage
D) electricity; ultrasound
Answer: D
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Chapter 4: Instruments
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85 Verified Questions
85 Flashcards
Source URL: https://quizplus.com/quiz/24203
Sample Questions
Q1) Ultrasound pulse repetition frequency (PRF) is equal to the voltage PRF.
A)True
B)False
Q2) Filtering of the sound beam is used to eliminate ________.
A) side lobe artifacts
B) secondary frequencies
C) the fundamental frequency
D) frequencies outside of the bandwidth
Q3) To receive information for display at a rapid rate,it is desirable to use a ________.
A) low pulse repetition frequency
B) lower operating frequency
C) high pulse repetition frequency
D) high operating frequency
Q4) Which of the following constitutes a reception channel?
A) Elements, pulser, signal processor, and delay path.
B) Beam former, pulser, amplifier, and scan converter.
C) Elements, amplifier, digitizer, and delay path.
D) Beam former, signal processor, image processor, and display.
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Chapter 5: Doppler Principles
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75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/24204
Sample Questions
Q1) Determining the direction of the Doppler shift voltages is accomplished by the
A) autocorrelation
B) spectrum analyzer
C) fast Fourier transform
D) phase quadrature detector
Q2) Disturbed flow is a form of laminar flow.
A)True
B)False
Q3) Pulsatile flow is uncommon in arterial circulation.
A)True
B)False
Q4) With color Doppler imaging,the priority control ________.
A) eliminates aliasing
B) filters out low-intensity echoes
C) selects the pulse repetition frequency
D) selects which gray-scale echo strength will demonstrate color
Q5) If viscosity increases,flow rate increases.
A)True
B)False
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Chapter 6: Artifacts
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80 Verified Questions
80 Flashcards
Source URL: https://quizplus.com/quiz/24205
Sample Questions
Q1) High pulse repetition frequencies can result in Doppler range ambiguity artifacts.
A)True
B)False
Q2) The Nyquist limit describes the ________.
A) flow speed through a stenosis
B) driving force behind blood flow
C) resistance of blood flow in a straight tube
D) minimum number of samples required to avoid aliasing
Q3) There must be ________ samples per cycle of Doppler shift to correctly obtain an image.
A) two
B) three
C) four
D) five
Q4) Spatial compounding can reduce attenuation artifacts.
A)True
B)False
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8
Chapter 7: Performance and Safety
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30 Verified Questions
30 Flashcards
Source URL: https://quizplus.com/quiz/24206
Sample Questions
Q1) In soft tissue,a temperature rise is considered significant once it exceeds ________.
A) 2 °C
B) 4 °C
C) 2 °F
D) 4 °F
Q2) The American College of Radiology (ACR) Ultrasound Accreditation Program requires at least ________ testing for instrument quality control.
A) semimonthly
B) monthly
C) semiannual
D) annual
Q3) Plant studies are useful primarily for ________.
A) identifying focal lesion production
B) understanding cavitational effects in living tissue
C) determining conditions under which thermal effects occur
D) determining conditions under which nonthermal effects occur
Q4) Ultrasound produces a temperature increase as it propagates through tissues.
A)True
B)False
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