Sonographers should be aware of work-related musculoskeletal disorders. Best practice while
scanning is to avoid abducting the arm more than how many degrees?
a. 50
b. 90
c. 30
d. 40
Ans: c. 30
Quiz Which action demonstrates best practice during ultrasound exams regarding the ALARA
principle?
a. The exposure time should be extended during the exam.
b. use the lowest possible output power that provides a diagnostic image.
,c. use the lowest possible gain.
d. Ensure that the time gain compensation (TGC is within acceptable limits.
Ans: b. use the lowest possible output power that provides a diagnostic image
Quiz Which type of cavitation is the most concerning cause of bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal
Ans: a. transient
Quiz Assuming an unfocused ultrasound beam, the American Institute of ultrasound in
Medicine's "statement on Mammalian Biological Effects of ultrasound In vivo" has confirmed
that no bioeffects have been noted when the spatial pulse temporal average (SPTA) intensity is
less than which value?
a. 1 mW/cm2
b. 100 W/cm2
c. 1 W/cm2
d. 100 mW/cm2
Ans: d. 100 mW/cm2
Quiz A sonographer notices that the mechanical index (MI) is too high during an ultrasound.
What would be the MOST appropriate modification that the sonographer can make?
,a. decrease receiver gain
b. increase period
c. decrease the output power
d. decrease the frequency of the transducer
Ans: c. decrease the output power
Quiz Select the technique that will generate the LEAST amount of exposure to the
patient.
a. Spectral Doppler
b. Color flow Doppler
c. Grayscale
d. M-mode
Ans: c. grayscale
Quiz When a vibrating string or fluid pump is used to test system performance,
what parameter is being tested?
a. Dead zone
b. Doppler velocities
c. Contrast resolution
d. Grayscale sensitivity
Ans: b. Doppler velocities
, Quiz A tissue-equivalent phantom is used to ensure the efficiency of the
ultrasound machine. Choose the resolution that is NOT tested with this
phantom.
a. Temporal
b. Contrast
c. Axial
d. Horizontal
Ans: a. temporal
Quiz Which performance check describes the ability of the ultrasound machine
to correctly visualize signals that are weaker than others?
a. Accuracy
b. Specificity
c. Reliability
d. Sensitivity
Ans: d. sensitivity
Quiz What is the name of the recent technological advancement that is used on tissues such as
the liver, breast, prostate, and thyroid to assess the stiffness of tissue or to better assess
lesions?
a. Contrast-enhanced ultrasound
b. Fusion imaging
scanning is to avoid abducting the arm more than how many degrees?
a. 50
b. 90
c. 30
d. 40
Ans: c. 30
Quiz Which action demonstrates best practice during ultrasound exams regarding the ALARA
principle?
a. The exposure time should be extended during the exam.
b. use the lowest possible output power that provides a diagnostic image.
,c. use the lowest possible gain.
d. Ensure that the time gain compensation (TGC is within acceptable limits.
Ans: b. use the lowest possible output power that provides a diagnostic image
Quiz Which type of cavitation is the most concerning cause of bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal
Ans: a. transient
Quiz Assuming an unfocused ultrasound beam, the American Institute of ultrasound in
Medicine's "statement on Mammalian Biological Effects of ultrasound In vivo" has confirmed
that no bioeffects have been noted when the spatial pulse temporal average (SPTA) intensity is
less than which value?
a. 1 mW/cm2
b. 100 W/cm2
c. 1 W/cm2
d. 100 mW/cm2
Ans: d. 100 mW/cm2
Quiz A sonographer notices that the mechanical index (MI) is too high during an ultrasound.
What would be the MOST appropriate modification that the sonographer can make?
,a. decrease receiver gain
b. increase period
c. decrease the output power
d. decrease the frequency of the transducer
Ans: c. decrease the output power
Quiz Select the technique that will generate the LEAST amount of exposure to the
patient.
a. Spectral Doppler
b. Color flow Doppler
c. Grayscale
d. M-mode
Ans: c. grayscale
Quiz When a vibrating string or fluid pump is used to test system performance,
what parameter is being tested?
a. Dead zone
b. Doppler velocities
c. Contrast resolution
d. Grayscale sensitivity
Ans: b. Doppler velocities
, Quiz A tissue-equivalent phantom is used to ensure the efficiency of the
ultrasound machine. Choose the resolution that is NOT tested with this
phantom.
a. Temporal
b. Contrast
c. Axial
d. Horizontal
Ans: a. temporal
Quiz Which performance check describes the ability of the ultrasound machine
to correctly visualize signals that are weaker than others?
a. Accuracy
b. Specificity
c. Reliability
d. Sensitivity
Ans: d. sensitivity
Quiz What is the name of the recent technological advancement that is used on tissues such as
the liver, breast, prostate, and thyroid to assess the stiffness of tissue or to better assess
lesions?
a. Contrast-enhanced ultrasound
b. Fusion imaging
