Answers
Question 1
A ________ is a B mode operation that provides a cross section of
the region of interest as the sound beam sweeps through the
region of interest:
Select one:
a. B scan
b. A mode
c. A scan
d. M mode -
correct answer ✅B scan
Question 2
A "bin" in Doppler spectral analysis represents a:
Select one:
a. velocity range
b. group of pulses
c. sample volume
d. pixel -
correct answer ✅velocity range
,SPI Mock Final Exam Questions And
Answers
Question 3
A 3 bit matrix has a gray shade capacity of:
Select one:
a. 3
b. 1
c. 8
d. 16 -
correct answer ✅8
Question 4
A 5 MHz transducer used in a pulse-echo system will generally
produce
Select one:
a. a wide band of frequencies above 5 MHz
b. a wide band of frequencies centered at 5 MHz
c. a narrow band of frequencies centered at 5 MHz
,SPI Mock Final Exam Questions And
Answers
d. frequencies only at 5 MHz -
correct answer ✅a wide band of frequencies centered at 5 MHz
Question 5
A 6 bit memory can represent how many shades of gray?
Select one:
a. 32
b. 12
c. 64
d. 16 -
correct answer ✅64
Question 6
A binary digit is called a:
Select one:
a. Byte
b. Bin
c. Chip
, SPI Mock Final Exam Questions And
Answers
d. Bit -
correct answer ✅Bit
Question 7
A binary word is called a:
Select one:
a. Bin
b. Byte
c. Chip
d. Bit -
correct answer ✅Byte
Question 8
A change in the frequency of sound relative to the motion of the
source and/or the observer is known as the Doppler:
Select one:
a. Shift
b. Velocity