Intro to ultrasound final- questions from
quizzes w answers with correct answers
100% 2026
In soft tissues, the assumed propagation velocity is (in meters per second): - Correct Answers
1540
The device that converts energy from one form to another is called the: - Correct Answers
transducer
The Fresnel zone is also called the: - Correct Answers near zone
The display mode that shows time along the horizontal axis and depth along the vertical axis is: -
Correct Answers M-mode
Which one of the following statements about the role of sonographers is false? - Correct
Answers Sonographers perform ultrasound studies and gather diagnostic data independent of
the physicia
The angle of reflection is equal to the: - Correct Answers angle of incidence.
The higher the transducer frequency, the: - Correct Answers shorter the wave length
Diagnostic ultrasound uses the frequencies of: - Correct Answers 1-20MHz
Which one of the following statements about the Doppler principle is false? - Correct Answers
The beam should be perpendicular to the flow.
,Historically, the development of ultrasound began shortly after - Correct Answers sonar in World
War II
Sonography is ranked number _____ in regarded to all allied health imaging salary range? -
Correct Answers 1
The Fraunhofer zone is also called the: - Correct Answers far zone
Ultrasound is not user dependent - Correct Answers false
Acoustic exposure to the patient remains unchanged when the receiver gain is increased -
Correct Answers true
If the reflector is moving toward the transducer, the frequency of the echo will be lower than
the transmitted frequency - Correct Answers false
Qualities of a Sonographer include: good communication skills, emotional stability, initiative,
curiosity - Correct Answers true
The greater the acoustic mismatch, the less the backscatter, or reflection. - Correct Answers
false
Larger or deeper field of view causes the frame rate to increase - Correct Answers false
Specialized education in ultrasound garners respect of other allied health professionals and
clinicians - Correct Answers true
, Hours of continual scanning does not lead to tendinitis, arm and shoulder pain, and back strain -
Correct Answers false
Leonardo da Vinci - Correct Answers Angle of reflection is equal to angle of incidence
Pythagoras - Correct Answers His experiments on the properties of vibrating strings let to the
invention of sonometer
Galileo Galilei - Correct Answers Demonstrated that the frequency of sound waves determine
pitch
Sir Isaac Newton - Correct Answers Provided the first analytical determination of the speed of
sound in air
Robert Boyle - Correct Answers Demonstrated physical characteristics of air, showing it is
necessary in combustion, respirations, and sound transmission
Lazzaro Spallanzani - Correct Answers Famous for extensive experiments on bat navigation, from
which he concluded that bats use sound reflected in their ears
Augustin Fresnel - Correct Answers Discovered the theory of wave diffraction, which is named
after him.
Christian Johann Doppler - Correct Answers Discovered the apparent change in frequency and
wavelength of a wave as perceived by an observer moving relative to the
Paul-Jacques Curie & Pierre Curie - Correct Answers Discovered the piezoelectricity effect
quizzes w answers with correct answers
100% 2026
In soft tissues, the assumed propagation velocity is (in meters per second): - Correct Answers
1540
The device that converts energy from one form to another is called the: - Correct Answers
transducer
The Fresnel zone is also called the: - Correct Answers near zone
The display mode that shows time along the horizontal axis and depth along the vertical axis is: -
Correct Answers M-mode
Which one of the following statements about the role of sonographers is false? - Correct
Answers Sonographers perform ultrasound studies and gather diagnostic data independent of
the physicia
The angle of reflection is equal to the: - Correct Answers angle of incidence.
The higher the transducer frequency, the: - Correct Answers shorter the wave length
Diagnostic ultrasound uses the frequencies of: - Correct Answers 1-20MHz
Which one of the following statements about the Doppler principle is false? - Correct Answers
The beam should be perpendicular to the flow.
,Historically, the development of ultrasound began shortly after - Correct Answers sonar in World
War II
Sonography is ranked number _____ in regarded to all allied health imaging salary range? -
Correct Answers 1
The Fraunhofer zone is also called the: - Correct Answers far zone
Ultrasound is not user dependent - Correct Answers false
Acoustic exposure to the patient remains unchanged when the receiver gain is increased -
Correct Answers true
If the reflector is moving toward the transducer, the frequency of the echo will be lower than
the transmitted frequency - Correct Answers false
Qualities of a Sonographer include: good communication skills, emotional stability, initiative,
curiosity - Correct Answers true
The greater the acoustic mismatch, the less the backscatter, or reflection. - Correct Answers
false
Larger or deeper field of view causes the frame rate to increase - Correct Answers false
Specialized education in ultrasound garners respect of other allied health professionals and
clinicians - Correct Answers true
, Hours of continual scanning does not lead to tendinitis, arm and shoulder pain, and back strain -
Correct Answers false
Leonardo da Vinci - Correct Answers Angle of reflection is equal to angle of incidence
Pythagoras - Correct Answers His experiments on the properties of vibrating strings let to the
invention of sonometer
Galileo Galilei - Correct Answers Demonstrated that the frequency of sound waves determine
pitch
Sir Isaac Newton - Correct Answers Provided the first analytical determination of the speed of
sound in air
Robert Boyle - Correct Answers Demonstrated physical characteristics of air, showing it is
necessary in combustion, respirations, and sound transmission
Lazzaro Spallanzani - Correct Answers Famous for extensive experiments on bat navigation, from
which he concluded that bats use sound reflected in their ears
Augustin Fresnel - Correct Answers Discovered the theory of wave diffraction, which is named
after him.
Christian Johann Doppler - Correct Answers Discovered the apparent change in frequency and
wavelength of a wave as perceived by an observer moving relative to the
Paul-Jacques Curie & Pierre Curie - Correct Answers Discovered the piezoelectricity effect
