ARDMS ACTUAL EXAM NEWEST 2024
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND
NEW VERSION!!
The best axial resolution will be apparent if the sonographer
performs an exam with a transducer that has which
characteristic?
a. Longer pulse length
b. Longer wavelength
c. Shorter pulse length
d. More ringing in the pulse - CORRECT ANSWER-c. Shorter
pulse length
Lateral resolution will be improved if the sonographer performs
which
operation?
a. Decreases the scanning depth
b. Increases the number of focal zones
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c. Maximizes the output power
d. Uses a lower frequency - CORRECT ANSWER-b. Increases
the number of focal zones
Which action will NOT increase (or improve) temporal
resolution?
a. Increase the imaging depth.
b. Decrease the number of focal zones.
c. Use a sector size that is narrow.
d. Use a low line density. - CORRECT ANSWER-a. Increase
the imaging depth.
Which name describes how the angles of the incident and
transmission
beams are related to the speed of the two media?
a. Bernoulli's principle
b. Curie point
c. Huygens' principle
d. Snell's law - CORRECT ANSWER-d. Snell's law
What can be done when investigating a possible kidney stone to
better
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demonstrate shadowing from the stone when using a 3 MHz
probe?
a. Position the focal point deeper than the stone.
b. Increase the amount of gain.
c. Increase the frequency to 5 MHz.
d. Decrease the output power of the system. - CORRECT
ANSWER-c. Increase the frequency to 5 MHz
If the frequency is doubled, what effect will this have on the
wavelength?
a. It will remain the same.
b. It doubles.
c. It increases by a factor of 1.54.
d. It is halved. - CORRECT ANSWER-d. It is halved.
Which part of the transducer is necessary to reduce the amount
of ringing of the piezoelectric (PZT) crystal?
a. Matching layer
b. Backing material
c. Transducer housing
d. Wire - CORRECT ANSWER-b. Backing material
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A given frequency of sound is 4.5 MHz, and it has a wavelength
of 0.8 mm.
How thick should a manufacturer design the matching layer of a
transducer in
this scenario?
a. 0.4 mm
b. 0.16 mm
c. 0.2 mm
d. 0.6 mm - CORRECT ANSWER-c. 0.2 mm
A sonographer is performing a renal ultrasound. Which
transducer
frequency will generate the slowest speed of sound?
a. All frequencies will travel at the same speed in the same
tissue.
b. 2 MHz
c. 4.5 MHz
d. 7 MHz - CORRECT ANSWER-a. All frequencies will travel
at the same speed in the same tissue.
Transducers used in image production will have which
characteristics?
a. High Q-factor, wide bandwidth
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