EDELMEN'S SPI EXAM
REVIEW EXAM FULLY SOLVED
& UPDATED 2026-2027(LATEST
VERSION VERIFIED FOR
ACCURACY) | 2026LATEST!!
Sound waves are:
a) electric
b) mechanical, transverse
c) spectral
d) longitudinal, mechanical - CORRECT ANSWER -D
The speed of sound of ultrasound in soft tissue is closest to:
a) 1,540 km/sec
,b) 1.54 km/sec
c) 1,500 m/s
d) 1,540 mm/sec - CORRECT ANSWER -C
Which is not an acoustic variable?
a) density
b) pressure
c) distance
d) intensity - CORRECT ANSWER -D
The effects of soft tissue on ultrasound are called:
a) acoustic proliferation properties
b) dynamic effects
,c) acoustic propagation properties
d) biological effects - CORRECT ANSWER -C
All of the following are true EXCEPT:
a) two waves with identical frequencies must interfere
constructively.
b) constructive interference is associated with waves that are
in-phase.
c) out-of-phase waves interfere destructively.
d) waves of different frequencies may exhibit both
constructive and destructive interference at different times. -
CORRECT ANSWER -A
Put in decreasing order:
, a) deca
b) deci
c) micro
d) centi - CORRECT ANSWER -abdc
______ is the time to complete one cycle
a) pulse duration
b) pulse period
c) period
d) duration period - CORRECT ANSWER -C
Which of the following sound waves is ultrasonic and least
useful in diagnostic imaging?
a) 30 KHz
REVIEW EXAM FULLY SOLVED
& UPDATED 2026-2027(LATEST
VERSION VERIFIED FOR
ACCURACY) | 2026LATEST!!
Sound waves are:
a) electric
b) mechanical, transverse
c) spectral
d) longitudinal, mechanical - CORRECT ANSWER -D
The speed of sound of ultrasound in soft tissue is closest to:
a) 1,540 km/sec
,b) 1.54 km/sec
c) 1,500 m/s
d) 1,540 mm/sec - CORRECT ANSWER -C
Which is not an acoustic variable?
a) density
b) pressure
c) distance
d) intensity - CORRECT ANSWER -D
The effects of soft tissue on ultrasound are called:
a) acoustic proliferation properties
b) dynamic effects
,c) acoustic propagation properties
d) biological effects - CORRECT ANSWER -C
All of the following are true EXCEPT:
a) two waves with identical frequencies must interfere
constructively.
b) constructive interference is associated with waves that are
in-phase.
c) out-of-phase waves interfere destructively.
d) waves of different frequencies may exhibit both
constructive and destructive interference at different times. -
CORRECT ANSWER -A
Put in decreasing order:
, a) deca
b) deci
c) micro
d) centi - CORRECT ANSWER -abdc
______ is the time to complete one cycle
a) pulse duration
b) pulse period
c) period
d) duration period - CORRECT ANSWER -C
Which of the following sound waves is ultrasonic and least
useful in diagnostic imaging?
a) 30 KHz
