ARDMS SPI EXAM

ARDMS SPI EXAM LATEST REAL EXAM 100
QUESTIONS AND CORRECT ANSWERS
AGRADE
Which gain will increase the risk of bioeffects?
a. transmit
b. receive
c. gain
d. overall gain - ANSWER>>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 - ANSWER>>e. digital scan converter


Spectral broadening suggest:
a. laminar flow
b. turbulent flow
c. flow away from the transducer
d. flow towards the transducer - ANSWER>>b. turbulent flow


With pulse wave Doppler axial resolution: - ANSWER>>degrades


What color is usually use in color flow Doppler variance map to indicate turbulent flow? -
ANSWER>>green

, Doppler high pass filter eliminates: - ANSWER>>high amplitude signals; low velocity
flow


The Doppler wall filter is considered a: - ANSWER>>high pass filter


The Nyquist Limit is equal to:
a. propagation speed x frequency
b. propagation speed/ wavelength
c. PRF/2
d. 4xV^2 - ANSWER>>c. PRF/2


Multiple echoes, equally spaced originating from a gas bubble is called:
a. comet tail
b. ring down
c. slice thickness artifact
d. multipath - ANSWER>>b. ring down


An increase in red blood cell velocity will_____ the Doppler Shift:
a. increase
b. decrease
c. not change
d. cannot be predicted - ANSWER>>a. increase


The primary advantage of CW Doppler is:
a. range resolution
b. range discrimination
c. range ambiguity
d. range gating
e. absence of sampling rate - ANSWER>>e. absence of sampling rate


The range for ultrasound begins: