1|Page
ARDMS ACTUAL EXAM NEWEST 2025/2026
COMPLETE QUESTIONS AND 100%CORRECT
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+|BRAND NEW VERSION!
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. - ANSWER-b. use the lowest possible
output power that provides a diagnostic image
,2|Page
Which type of cavitation is the most concerning cause of
bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal - ANSWER-a. transient
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?
,3|Page
a. 1 mW/cm2
b. 100 W/cm2
c. 1 W/cm2
d. 100 mW/cm2 - ANSWER-d. 100 mW/cm2
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 - ANSWER-c.
decrease the output power
, 4|Page
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 - ANSWER-c. grayscale
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
ARDMS ACTUAL EXAM NEWEST 2025/2026
COMPLETE QUESTIONS AND 100%CORRECT
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+|BRAND NEW VERSION!
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. - ANSWER-b. use the lowest possible
output power that provides a diagnostic image
,2|Page
Which type of cavitation is the most concerning cause of
bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal - ANSWER-a. transient
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?
,3|Page
a. 1 mW/cm2
b. 100 W/cm2
c. 1 W/cm2
d. 100 mW/cm2 - ANSWER-d. 100 mW/cm2
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 - ANSWER-c.
decrease the output power
, 4|Page
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 - ANSWER-c. grayscale
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
