According to ALARA (as little as reasonably workable) pointers, which parameter must be
minimized?
A.Transmit energy
B.Frequency
C.Time advantage reimbursement
D.Universal benefit - ANS-A.Transmit strength
An boom wherein parameter will enhance the accuracy of velocity measurements with
autocorrelation?
A.Shade discipline of view
B.Packet size
C.Wall filtering
D.Transmitted frequency - ANS-B.Packet size
How is lateral decision decided for a pulsed-echo machine the use of a tissue-mimicking check
object?
A.Via observing spaces among reflectors perpendicular to the beam
B.By using staring at areas among reflectors along the beam route
C.By way of looking at role of deepest seen reflector along the beam course
D.By means of staring at function of deepest visible reflector perpendicular to the beam course -
ANS-A.By means of gazing areas among reflectors perpendicular to the beam
The middle frequency of a transducer relies upon frequently upon which traits of the crystal?
A.Width
B.Length
C.Spacing
D.Thickness - ANS-D.Thickness
To which acoustic variable is penetration intensity inversely related?A.Frequency
B.Wavelength
C.Period
D.Propagation pace - ANS-A.Frequency
What affects the beam width inside the near subject?
A.Pulse repetition frequency
B.Pulse length
C.Frame price
D.Transducer aperture - ANS-D.Transducer aperture
What does coded excitation enhance similarly to penetration?
A.Lateral resolution
B.Signal-to-noise ratio
C.Body price
D.Dynamic range - ANS-B.Sign-to-noise ratio