QUESTIONS EXAM 2025 NEWEST
COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
,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
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