ARDMS EXAM NEWEST 2025 COMPLETE ALL QUESTIONS AND
CORRECT DETAILED ANSWERS ALREADY GRADED A+
Why does grayscale imaging require the use of pulsed wave
ultrasound?
a. To optimize penetration
b. To optimize temporal resolution
c. To determine the bandwidth
d. To determine the depth of the reflector - ANSWER-d. To determine
the depth of the reflector
Which system function is modified if the ultrasound user adjusts the
receiver gain?
a. Demodulation
b. Reject
c. Amplification
d. Compression - ANSWER-c. Amplification
If the diameter of the PZT crystal is 13 mm, which sentence
describes the
sound wave's diameter in the Fresnel zone?
a. The sound beam will be half of the diameter of the crystal in the
Fresnel zone.
b. 13 mm
c. 26 mm
,d. The sound wave narrows as it leaves the transducer. - ANSWER-d.
The sound wave narrows as it leaves the transducer.
The amount of divergence that occurs in the far field is determined
by the
sound wave's frequency and which component?
a. Line density
b. Focal zone depth
c. Diameter of the crystal
d. Speed - ANSWER-c. Diameter of the crystal
Select the type of transducer that produces an image that takes on
the shape of a parallelogram when it is electronically steered.
a. Linear phased array
b. Linear sequential array
c. Annular phased array
d. Convex array - ANSWER-b. Linear sequential array
Choose the type of transducer that lacks range resolution.
a. Phased array
b. Annular array
c. Continuous wave (CW)
d. Linear sequential array - ANSWER-c. Continuous wave (CW)
,In this phased array transducer, what direction will the beam be
steered?
a. 45 degrees to the right
b. Slightly to the left
c. Slightly to the right
d. 45 degrees to the left - ANSWER-d. 45 degrees to the left
What configuration is necessary to focus the ultrasound wave in a
linear phased array transducer?
a. Electronic slope
b. Dynamic aperture
c. PZT crystals
d. Electronic curve - ANSWER-d. Electronic curve
Which parameter is decreased by the ultrasound machine to evade
the possibility of range ambiguity when the imaging depth is
increased?
a. Number of scan lines
b. Pulse repetition frequency (PRF)
c. Pulse repetition period (PRP)
d. Persistence - ANSWER-b. Pulse repetition frequency (PRF)
Which phrase does NOT describe an effect that focusing has on the
ultrasound beam?
a. A bigger focal zone
b. Enhanced near zone resolution
, c. Diminished lateral resolution of the far zone
d. Results in a shorter near zone - ANSWER-a. A bigger focal zone
Select the answer that best describes how B-mode will typically
display blood vessels?
a. Hyperechoic
b. Isogenic
c. Anechoic
d. Heterogeneous - ANSWER-c. Anechoic
How deep is a reflector if the go-return time of a sound wave is 39
us?
a. 2cm
b. 3cm
c. 5cm
d. 6cm - ANSWER-b. 3cm
When M-mode is employed during an echocardiogram, what
information is depicted on the display?
a. Depth and amplitude
b. Time and frequency
c. Amplitude, motion, and time
d. Depth, time, and frequency - ANSWER-c. Amplitude, motion, and
time
CORRECT DETAILED ANSWERS ALREADY GRADED A+
Why does grayscale imaging require the use of pulsed wave
ultrasound?
a. To optimize penetration
b. To optimize temporal resolution
c. To determine the bandwidth
d. To determine the depth of the reflector - ANSWER-d. To determine
the depth of the reflector
Which system function is modified if the ultrasound user adjusts the
receiver gain?
a. Demodulation
b. Reject
c. Amplification
d. Compression - ANSWER-c. Amplification
If the diameter of the PZT crystal is 13 mm, which sentence
describes the
sound wave's diameter in the Fresnel zone?
a. The sound beam will be half of the diameter of the crystal in the
Fresnel zone.
b. 13 mm
c. 26 mm
,d. The sound wave narrows as it leaves the transducer. - ANSWER-d.
The sound wave narrows as it leaves the transducer.
The amount of divergence that occurs in the far field is determined
by the
sound wave's frequency and which component?
a. Line density
b. Focal zone depth
c. Diameter of the crystal
d. Speed - ANSWER-c. Diameter of the crystal
Select the type of transducer that produces an image that takes on
the shape of a parallelogram when it is electronically steered.
a. Linear phased array
b. Linear sequential array
c. Annular phased array
d. Convex array - ANSWER-b. Linear sequential array
Choose the type of transducer that lacks range resolution.
a. Phased array
b. Annular array
c. Continuous wave (CW)
d. Linear sequential array - ANSWER-c. Continuous wave (CW)
,In this phased array transducer, what direction will the beam be
steered?
a. 45 degrees to the right
b. Slightly to the left
c. Slightly to the right
d. 45 degrees to the left - ANSWER-d. 45 degrees to the left
What configuration is necessary to focus the ultrasound wave in a
linear phased array transducer?
a. Electronic slope
b. Dynamic aperture
c. PZT crystals
d. Electronic curve - ANSWER-d. Electronic curve
Which parameter is decreased by the ultrasound machine to evade
the possibility of range ambiguity when the imaging depth is
increased?
a. Number of scan lines
b. Pulse repetition frequency (PRF)
c. Pulse repetition period (PRP)
d. Persistence - ANSWER-b. Pulse repetition frequency (PRF)
Which phrase does NOT describe an effect that focusing has on the
ultrasound beam?
a. A bigger focal zone
b. Enhanced near zone resolution
, c. Diminished lateral resolution of the far zone
d. Results in a shorter near zone - ANSWER-a. A bigger focal zone
Select the answer that best describes how B-mode will typically
display blood vessels?
a. Hyperechoic
b. Isogenic
c. Anechoic
d. Heterogeneous - ANSWER-c. Anechoic
How deep is a reflector if the go-return time of a sound wave is 39
us?
a. 2cm
b. 3cm
c. 5cm
d. 6cm - ANSWER-b. 3cm
When M-mode is employed during an echocardiogram, what
information is depicted on the display?
a. Depth and amplitude
b. Time and frequency
c. Amplitude, motion, and time
d. Depth, time, and frequency - ANSWER-c. Amplitude, motion, and
time
