150 QUESTIONS AND CORRECT ANSWERS
BRAND NEW VERSION TEST PAPER
COMPLETE QUESTIONS AND SOLUTIONS
⩥ 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