Fundamentals of Ultrasound Exam Review
Course Introduction
Fundamentals of Ultrasound introduces students to the basic principles and technology underlying diagnostic ultrasound imaging. The course covers the physical properties of sound waves, the mechanisms of ultrasound generation and detection, and the interactions between ultrasound waves and biological tissues. Students will learn about the components of ultrasound equipment, including transducers and display systems, as well as the essential concepts of image formation, resolution, and artifacts. An emphasis is placed on understanding image acquisition techniques, safety concerns, and clinical applications across various medical fields. This foundational knowledge prepares students for more advanced coursework and practical training in medical imaging.
Recommended Textbook
Sonography Principles and Instruments 9th Edition by Frederick W. Kremkau PhD
Available Study Resources on Quizplus 7 Chapters
473 Verified Questions
473 Flashcards
Source URL: https://quizplus.com/study-set/1224 Page 2
Chapter 1: Introduction
Available Study Resources on Quizplus for this Chatper
20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/24200
Sample Questions
Q1) The location of each dot corresponds to the ________ of the echo to return.
A) strength
B) time
C) pulse
D) frequency
Answer: B
Q2) The brightness of the dot corresponds to the ________ of the returning echo.
A) location
B) speed
C) strength
D) angle
Answer: C
Q3) Sonographic images are composed of many ________.
A) crystals
B) scan lines
C) focal points
D) frequency shifts
Answer: B
To view all questions and flashcards with answers, click on the resource link above.
Page 3
Chapter 2: Ultrasound
Available Study Resources on Quizplus for this Chatper
108 Verified Questions
108 Flashcards
Source URL: https://quizplus.com/quiz/24201
Sample Questions
Q1) The wavelength of 3 MHz ultrasound in soft tissue is ________ mm.
A) 510
B) 5.1
C) 0.51
D) 4.6
Answer: C
Q2) What units are used to quantify attenuation?
A) Unitless.
B) dB/cm.
C) dB.
D) Rayls.
Answer: C
Q3) Interfaces that scatter ultrasound energy are usually considered those that are equal to or smaller than the wavelength.
A)True
B)False
Answer: True
To view all questions and flashcards with answers, click on the resource link above.
Page 4
Chapter 3: Transducers
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/24202
Sample Questions
Q1) Axial resolution is determined by the width of the ultrasound beam.
A)True
B)False Answer: False
Q2) Even unfocused transducers have a natural focus.
A)True
B)False Answer: True
Q3) Multi-Hertz transducers are driven at only one selectable frequency.
A)True
B)False
Answer: False
Q4) Elevational resolution can be considered a third aspect of detail resolution. A)True
B)False Answer: True
Q5) The matching layer increases reflection of the transducer element.
A)True
B)False
Answer: False
Page 5
To view all questions and flashcards with answers, click on the resource link above.
Chapter 4: Instruments
Available Study Resources on Quizplus for this Chatper
85 Verified Questions
85 Flashcards
Source URL: https://quizplus.com/quiz/24203
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) Increasing the frame rate improves ________.
A) axial resolution
B) detail resolution
C) penetration depth
D) temporal resolution
Q3) The ultrasound instrument is composed of a beam former,a signal processor,an image processor,and a transducer.
A)True
B)False
Q4) In order to image deeper structures,the ________.
A) pulse repetition frequency (PRF) needs to be increased
B) time gain compensation (TGC) needs to be increased
C) frame rate needs to be increased
D) PRF needs to be decreased
Page 6
To view all questions and flashcards with answers, click on the resource link above.
Chapter 5: Doppler Principles
Available Study Resources on Quizplus for this Chatper
75 Verified Questions
75 Flashcards
Source URL: https://quizplus.com/quiz/24204
Sample Questions
Q1) The maximum normal flow speed in the circulation is ________ cm/s.
A) 75
B) 80
C) 100
D) 125
Q2) ________ are the tiniest vessels in the human body.
A) Veins
B) Venules
C) Arterioles
D) Capillaries
Q3) Which of the following is an advantage of pulsed Doppler?
A) Sensitivity of low flow velocities is increased.
B) Higher operating frequencies can be utilized.
C) Depth of sample volume can be accurately selected.
D) Higher frequency shifts can be displayed without aliasing.
Q4) The fast Fourier transform derives the Doppler ________.
A) color scale
B) spectrum
C) variance maps
D) power display
Page 7
To view all questions and flashcards with answers, click on the resource link above.
Chapter 6: Artifacts
Available Study Resources on Quizplus for this Chatper
80 Verified Questions
80 Flashcards
Source URL: https://quizplus.com/quiz/24205
Sample Questions
Q1) Electromagnetic interference from nearby equipment can cloud the spectral display with lines or "snow."
A)True
B)False
Q2) Which of the following will always eliminate aliasing?
A) Using continuous wave Doppler.
B) Increasing the transducer frequency.
C) Decreasing the transducer frequency.
D) Increasing the pulse repetition frequency.
Q3) Speckle artifact is most likely caused by ________.
A) refraction
B) interference
C) pulse width
D) multiple reflections
Q4) There must be ________ samples per cycle of Doppler shift to correctly obtain an image.
A) two
B) three
C) four
D) five
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Performance and Safety
Available Study Resources on Quizplus for this Chatper
30 Verified Questions
30 Flashcards
Source URL: https://quizplus.com/quiz/24206
Sample Questions
Q1) The American Institute of Ultrasound in Medicine (AIUM) strongly discourages nonmedical use of ultrasound.
A)True
B)False
Q2) The extent of temperature rise produced depends on
A) intensity and frequency
B) type of tissue and intensity
C) penetration depth and frequency
D) number of focal zones and intensity
Q3) Which of the following pulsed-wave techniques demonstrates the lowest sonographic output?
A) M (motion)-mode.
B) Gray-scale.
C) Color Doppler.
D) Spectral Doppler.
Q4) Which of the following describes cavitation?
A) Flow in an absorbing fluid.
B) Conversion of ultrasound to heat.
C) Temperature rise as ultrasound propagates through tissue.
D) Production and behavior of bubbles in a liquid medium.
Page 9
To view all questions and flashcards with answers, click on the resource link above.