DMS 104 Final Exam 2026 – Advanced Diagnostic Medical Sonography
Comprehensive Study Guide
In the formula a=b/c, If b increases what will happen to a ? - correct answer ✔✔ Increase
The attenuation of ultrasound propagating through soft tissue is approximately _dB/cm/MHz -
correct answer ✔✔ .8
6.24mm = m? - correct answer ✔✔ .00624m
During a Doppler examination, if the media boundary is moving away from the source this
would result in ? - correct answer ✔✔ Lower Frequency
How long will it take a sound wave to image a depth of 10 cm if the velocity is 1000 m/s -
correct answer ✔✔ .0001 s
What is the decimal equivalent of 4/1000000 ? - correct answer ✔✔ .00004
The best Doppler shift is achieved when the transducer is perpendicular to the? - correct
answer ✔✔ false
What is the reciprocal of 1/3 - correct answer ✔✔ 3
4 m/s is equal to which of the following ? - correct answer ✔✔ (conversion)
Which of the following is the correct conversion of 20 cm to m ? - correct answer ✔✔ .2
, What is the propagation speed of water that travels 6 cm in 4 s - correct answer ✔✔ 0.15 m/s
Which of the following cannot be considered a unit of frequency ? - correct answer ✔✔
Anything not related to time
solve for the unknown: 5x + 12 = 3x - 6 - correct answer ✔✔ x= -9
Decreasing the diameter of a crystal will result in a(n) _________ in lateral resolution - correct
answer ✔✔ Improved / Increase
Increasing the diameter of the piezoelectric element will result in a(n) ______________ in NFL -
correct answer ✔✔ Increase
All of the following are measures of length except ? - correct answer ✔✔ Anything not related
to distance
0.05 cm/ms is equal to : - correct answer ✔✔ (conversion)
Increasing the Q value of a transducer will result in a(n) ________________ in DF - correct
answer ✔✔ increase
low frequency transducers have - correct answer ✔✔ increased penetration/ greater depth
A longitudinal wave is characterized by - correct answer ✔✔ particle movement along the
direction of the wave
Increasing the thickness of the piezoelectric element will result in a(n) - correct answer ✔✔ in
the divergence of the far field
Comprehensive Study Guide
In the formula a=b/c, If b increases what will happen to a ? - correct answer ✔✔ Increase
The attenuation of ultrasound propagating through soft tissue is approximately _dB/cm/MHz -
correct answer ✔✔ .8
6.24mm = m? - correct answer ✔✔ .00624m
During a Doppler examination, if the media boundary is moving away from the source this
would result in ? - correct answer ✔✔ Lower Frequency
How long will it take a sound wave to image a depth of 10 cm if the velocity is 1000 m/s -
correct answer ✔✔ .0001 s
What is the decimal equivalent of 4/1000000 ? - correct answer ✔✔ .00004
The best Doppler shift is achieved when the transducer is perpendicular to the? - correct
answer ✔✔ false
What is the reciprocal of 1/3 - correct answer ✔✔ 3
4 m/s is equal to which of the following ? - correct answer ✔✔ (conversion)
Which of the following is the correct conversion of 20 cm to m ? - correct answer ✔✔ .2
, What is the propagation speed of water that travels 6 cm in 4 s - correct answer ✔✔ 0.15 m/s
Which of the following cannot be considered a unit of frequency ? - correct answer ✔✔
Anything not related to time
solve for the unknown: 5x + 12 = 3x - 6 - correct answer ✔✔ x= -9
Decreasing the diameter of a crystal will result in a(n) _________ in lateral resolution - correct
answer ✔✔ Improved / Increase
Increasing the diameter of the piezoelectric element will result in a(n) ______________ in NFL -
correct answer ✔✔ Increase
All of the following are measures of length except ? - correct answer ✔✔ Anything not related
to distance
0.05 cm/ms is equal to : - correct answer ✔✔ (conversion)
Increasing the Q value of a transducer will result in a(n) ________________ in DF - correct
answer ✔✔ increase
low frequency transducers have - correct answer ✔✔ increased penetration/ greater depth
A longitudinal wave is characterized by - correct answer ✔✔ particle movement along the
direction of the wave
Increasing the thickness of the piezoelectric element will result in a(n) - correct answer ✔✔ in
the divergence of the far field
