Introduction to Medical Sonography Final
Exam Questions
Course Introduction
Introduction to Medical Sonography provides students with foundational knowledge and practical skills in the field of diagnostic medical ultrasound. The course covers the physical principles of ultrasound, instrumentation, image production, and interpretation techniques. Students learn about the anatomy, physiology, and pathology of organs commonly assessed through sonographic procedures, with an emphasis on safety, patient care, and ethical considerations. Laboratory sessions and case studies are incorporated to develop hands-on abilities and critical thinking skills necessary for future sonography professionals.
Recommended Textbook
Sonography Principles and Instruments 9th Edition by Frederick W. Kremkau PhD
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7 Chapters
473 Verified Questions
473 Flashcards
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Page 2
Chapter 1: Introduction
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Sample Questions
Q1) Quantitative data are determined by which Doppler display?
A) Color imaging.
B) Power imaging.
C) B-mode (gray-scale, or brightness) imaging.
D) Spectral imaging.
Answer: D
Q2) Echoes produced by ________ objects have different ________ than the pulses sent into the body.
A) stationary; frequencies
B) stable; directions
C) moving; frequencies
D) moving; echoes
Answer: C
Q3) The location of each dot corresponds to the ________ of the echo to return.
A) strength
B) time
C) pulse
D) frequency
Answer: B
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Page 3
Chapter 2: Ultrasound
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108 Verified Questions
108 Flashcards
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Sample Questions
Q1) Stiffer media have ________ sound speeds.
A) lower
B) higher
C) stiffness does not change the propagation speed
D) sound cannot propagate through stiffer media
Answer: B
Q2) If intensity reflection coefficient increases,intensity transmission coefficient
A) decreases
B) increases
C) remains unchanged
D) is equal to the intensity reflection coefficient
Answer: A
Q3) Continuous wave (CW) Doppler has a duty factor of ________ %.
A) 1.0
B) 0.10
C) 100
D) 10
Answer: C
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Page 4
Chapter 3: Transducers
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Sample Questions
Q1) With phasing,the reception beam is ________ and dynamically ________.
A) focused; steered
B) steered; focused
C) variable; focused
D) generated; received
Answer: B
Q2) Ceramics used as materials in the production of modern ultrasound transducer elements are naturally piezoelectric.
A)True
B)False
Answer: False
Q3) Various formulations of lead zirconate titanate are commonly used in modern day transducers.
A)True
B)False
Answer: True
Q4) Elevational resolution can be considered a third aspect of detail resolution.
A)True
B)False
Answer: True
Page 5
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Chapter 4: Instruments
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Sample Questions
Q1) Which imaging technique is most likely to visualize a structure beneath a calcification?
A) Harmonic imaging.
B) Pixel interpolation.
C) Panoramic imaging.
D) Spatial compounding.
Q2) Temporal resolution in M (motion) and A (amplitude) modes is equal to the pulse repetition period (PRP).
A)True
B)False
Q3) Storage of the last several frames acquired before freezing is called ________.
A) freeze
B) triplex
C) cine loop
D) picture archiving
Q4) Averaging sequential frames improves ________.
A) frame rate
B) dynamic range
C) temporal resolution
D) penetration depth
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Chapter 5: Doppler Principles
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Sample Questions
Q1) A nonsteady flow with acceleration and deceleration over the cardiac cycle,is called
A) plug flow
B) pulsatile flow
C) laminar flow
D) parabolic flow
Q2) Which of the following pulsed Doppler techniques is the most likely to demonstrate slow flow velocities in deep vessels?
A) Color Doppler.
B) Duplex imaging.
C) Power Doppler.
D) Spectral analysis.
Q3) What is the driving force behind blood flow?
A) Heart.
B) Gravity.
C) Pressure.
D) Flow rate.
Q4) Disturbed flow is a form of laminar flow.
A)True
B)False
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Chapter 6: Artifacts
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Sample Questions
Q1) The assumptions in the design of sonographic instruments include all of the following except ________.
A) sound travels in a straight line
B) sound travels at different speeds in soft tissue
C) echoes originate from objects located on the beam axis
D) echogenicity is a property of the structure
Q2) Which of the following artifacts is exclusive to pulse-Doppler imaging?
A) Aliasing.
B) Mirror image.
C) Enhancement.
D) Range ambiguity.
Q3) Axial resolution is determined by ________ and lateral resolution is determined by
A) pulse width; pulse length
B) pulse length; pulse width
C) pulse width; operating frequency
D) operating frequency; pulse length
Q4) Refraction can cause shadowing.
A)True
B)False
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Chapter 7: Performance and Safety
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Sample Questions
Q1) Tissue-equivalent phantoms are filled with a substance containing ________.
A) water
B) quartz
C) silicone
D) graphite
Q2) Which of the following is not assessed with a tissue-equivalent (TE) phantom?
A) Penetration.
B) Beam width.
C) Dynamic range.
D) TGC operation.
Q3) The American Institute of Ultrasound in Medicine (AIUM) strongly discourages nonmedical use of ultrasound.
A)True
B)False
Q4) The as low as reasonably achievable (ALARA) principle regulates ultrasound instruments.
A)True
B)False
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Page 9