ARDMS SPI Exam/ SPI Prac ce (ARDMS A & B)/ With
complete solu on RATED A+ NEW EDITION JUST
RELEASED 2026
Which gain will increase the risk of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain - Ans a. transmit
Which of the following is considered the memory of an ultrasound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor - Ans e. digital scan converter
Spectral broadening suggest:
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer - Ans b. turbulent flow
,With pulse wave Doppler axial resolu#on: - Ans degrades
What color is usually use in color flow Doppler variance map to indicate turbulent flow? - Ans
green
Doppler high pass filter eliminates: - Ans high amplitude signals; low velocity flow
The Doppler wall filter is considered a: - Ans high pass filter
The Nyquist Limit is equal to:
a. propaga#on speed x frequency
b. propaga#on speed/ wavelength
c. PRF/2
d. 4xV^2 - Ans c. PRF/2
Mul#ple echoes, equally spaced origina#ng from a gas bubble is called:
a. comet tail
b. ring down
c. slice thickness ar#fact
d. mul#path - Ans b. ring down
An increase in red blood cell velocity will_____ the Doppler Shi5:
a. increase
b. decrease
c. not change
d. cannot be predicted - Ans a. increase
, The primary advantage of CW Doppler is:
a. range resolu#on
b. range discrimina#on
c. range ambiguity
d. range ga#ng
e. absence of sampling rate - Ans e. absence of sampling rate
The range for ultrasound begins:
a. 20 Hz
b. 20,000 Hz
c. 2 MHz
d. 15 MHz - Ans b. 20,000 Hz (useful frequency range for clinical imaging is 2MHz-10MHz)
Which instrument control affects the amplitude (dB) of the outgoing signal:
a. gain
b. receiver gain
c. TGC
d. transmit gain
e. overall gain - Ans d. transmit gain; amplitude can be affected by the sonographer
Which of the following is used to convert Doppler shi5 informa#on into color:
a. high PRF
b. fast Fourier transform
c. autocorrela#on
d. #me interval histogram - Ans c. autocorrela#on
complete solu on RATED A+ NEW EDITION JUST
RELEASED 2026
Which gain will increase the risk of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain - Ans a. transmit
Which of the following is considered the memory of an ultrasound instrument?
a. pulser
b. transducer
c. receiver
d. beam former
e. digital scan converter
f. display monitor - Ans e. digital scan converter
Spectral broadening suggest:
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer - Ans b. turbulent flow
,With pulse wave Doppler axial resolu#on: - Ans degrades
What color is usually use in color flow Doppler variance map to indicate turbulent flow? - Ans
green
Doppler high pass filter eliminates: - Ans high amplitude signals; low velocity flow
The Doppler wall filter is considered a: - Ans high pass filter
The Nyquist Limit is equal to:
a. propaga#on speed x frequency
b. propaga#on speed/ wavelength
c. PRF/2
d. 4xV^2 - Ans c. PRF/2
Mul#ple echoes, equally spaced origina#ng from a gas bubble is called:
a. comet tail
b. ring down
c. slice thickness ar#fact
d. mul#path - Ans b. ring down
An increase in red blood cell velocity will_____ the Doppler Shi5:
a. increase
b. decrease
c. not change
d. cannot be predicted - Ans a. increase
, The primary advantage of CW Doppler is:
a. range resolu#on
b. range discrimina#on
c. range ambiguity
d. range ga#ng
e. absence of sampling rate - Ans e. absence of sampling rate
The range for ultrasound begins:
a. 20 Hz
b. 20,000 Hz
c. 2 MHz
d. 15 MHz - Ans b. 20,000 Hz (useful frequency range for clinical imaging is 2MHz-10MHz)
Which instrument control affects the amplitude (dB) of the outgoing signal:
a. gain
b. receiver gain
c. TGC
d. transmit gain
e. overall gain - Ans d. transmit gain; amplitude can be affected by the sonographer
Which of the following is used to convert Doppler shi5 informa#on into color:
a. high PRF
b. fast Fourier transform
c. autocorrela#on
d. #me interval histogram - Ans c. autocorrela#on
