Edelmen's SPI Exam Review
______ is the distance included by means of one cycle.
A) pulse length
b) wavelength
c) cycle distance
d) cycle duration - ANS-B
______ is the time to finish one cycle
a) pulse duration
b) pulse duration
c) duration
d) period period - ANS-C
________ is a redirection of an ultrasound bean in many guidelines as a result of a hard
boundary between media:
a) refraction
b) Rayleigh Scattering
c) scattering
d) mirrored image - ANS-C
_________ decision is decided by means of the spatial pulse duration
a) radial
b) photograph
c) axial
d) angular - ANS-A or C
*A single element transduce is focused with the aid of
a) by way of the manufacturer
b) can not be targeted
c) through growing power
d) via the sonographer - ANS-A
*In the analog converter, what element stores the photo statistics?
A) laptop memory
b) video tape recorder
c) diaeletric matrix
d) none of the above - ANS-C
*Which of the subsequent will result in the highest mechanical index?
A) excessive frequency and low power
b) excessive depth and excessive frequency
c) low frequency and excessive sign amplitude
d) low depth and coffee frequency - ANS-C
*Which of those elements has the greatest influence on pulse repetition duration?
A) display intensity
b) thickness of the PZT crystal
,c) attenuation of the sound beam
d) impedance of the medium
e) show's dynamic range - ANS-A
*With ordinary occurrence, what elements have an effect on refraction of US?
A) propagation speeds
B) frequencies
C) attenuation coefficients
D) not one of the above - ANS-D
A hydrophone is used to degree:
a) speed
b) frequency
c) depth
d) phase - ANS-B or C
A exceptional assurance application:
a) isn't wished in small labs
b) is very time eating and high priced
c) is needed by way of all labs
d) can't be performed by using sonographers - ANS-C
A transducer ________ one shape of ________ into another. - ANS-converts, energy
A transducer with multiple energetic detail is referred to as:
a) multipurpose
b) annular
c) mechanical
d) array - ANS-D
According to AIUM declaration on bioeffects, there were no confirmed bioeffects under
intensities of ________ watts in keeping with square centimeters SPTA.
A) 10
b) zero.01
c) zero.1
d) 1
e) a hundred - ANS-C
All of the subsequent are statements concerning in-vitro bioeffects are proper EXCEPT:
a) in vitro bioeffect conclusions are clinically relevant
b) in vitro bioeffects are always actual
c) in vitro bioeffects are very important
d) in vitro bioeffects may not be relevant to medical settings - ANS-A
All of the following are true EXCEPT:
a) waves with same frequencies ought to interfere constructively.
B) positive interference is related to waves which are in-phase.
C) out-of-segment waves intrude destructively.
D) waves of different frequencies may also show off each optimistic and adverse interference at
exceptional times. - ANS-A
All of the following are authentic of everyday cavitation EXCEPT:
, a) harmful bioeffects are usually discovered
b) it is also called inertial cavitation
c) best a ten% boom in strain is wanted to transform to this from desk cavitation
d) temperatures in the heaps of stages are created
e) it's far constant with shock waves - ANS-A
All of the following will improve temporal decision EXCEPT:
a) multiplied line density
b) single in place of multi consciousness
c) higher frame fee
d) shallower intensity of area
e) slower pace of sound in a medium - ANS-A
An ultrasound device has a virtual scan converter however has an analog enter signal. The
device needs to have a
a) hydbrid multiplexer
b) modem
c) analog to virtual converter
d) virtual monitor - ANS-C
An ultrasound machine is ready to 0db and is transmitting at complete intensity. What is the
output strength while the device is transmitting at 10% of full depth?
A) -three dB
b) -50 dB
c) 40 dB
d) three dB
e) -10 dB - ANS-E
An ultrasound gadget is set to 0db and is transmitting at complete intensity. What is the output
energy whilst the system is transmitting at 50% of full intensity?
A) -3 dB
b) -50 dB
c) 10 dB
d) 3 dB
e) -10 dB - ANS-A
As a result of _____ the propagation velocity increases.
A) growing stiffness and increasing density
b) increasing stiffness and increasing elasticity
c) reducing compressibility and reducing density
d) lowering stiffness and lowering density. - ANS-C
As the impedance of two media grow to be vastly different, the....
A) reflection will increase
b) transmission will increase
c) refraction will increase
d) absorption increases - ANS-A
Assuming a constant frequency, what happens if the diameter of an unfocused circular
transducer is elevated?
A) the gap to the a ways subject is reduced
______ is the distance included by means of one cycle.
A) pulse length
b) wavelength
c) cycle distance
d) cycle duration - ANS-B
______ is the time to finish one cycle
a) pulse duration
b) pulse duration
c) duration
d) period period - ANS-C
________ is a redirection of an ultrasound bean in many guidelines as a result of a hard
boundary between media:
a) refraction
b) Rayleigh Scattering
c) scattering
d) mirrored image - ANS-C
_________ decision is decided by means of the spatial pulse duration
a) radial
b) photograph
c) axial
d) angular - ANS-A or C
*A single element transduce is focused with the aid of
a) by way of the manufacturer
b) can not be targeted
c) through growing power
d) via the sonographer - ANS-A
*In the analog converter, what element stores the photo statistics?
A) laptop memory
b) video tape recorder
c) diaeletric matrix
d) none of the above - ANS-C
*Which of the subsequent will result in the highest mechanical index?
A) excessive frequency and low power
b) excessive depth and excessive frequency
c) low frequency and excessive sign amplitude
d) low depth and coffee frequency - ANS-C
*Which of those elements has the greatest influence on pulse repetition duration?
A) display intensity
b) thickness of the PZT crystal
,c) attenuation of the sound beam
d) impedance of the medium
e) show's dynamic range - ANS-A
*With ordinary occurrence, what elements have an effect on refraction of US?
A) propagation speeds
B) frequencies
C) attenuation coefficients
D) not one of the above - ANS-D
A hydrophone is used to degree:
a) speed
b) frequency
c) depth
d) phase - ANS-B or C
A exceptional assurance application:
a) isn't wished in small labs
b) is very time eating and high priced
c) is needed by way of all labs
d) can't be performed by using sonographers - ANS-C
A transducer ________ one shape of ________ into another. - ANS-converts, energy
A transducer with multiple energetic detail is referred to as:
a) multipurpose
b) annular
c) mechanical
d) array - ANS-D
According to AIUM declaration on bioeffects, there were no confirmed bioeffects under
intensities of ________ watts in keeping with square centimeters SPTA.
A) 10
b) zero.01
c) zero.1
d) 1
e) a hundred - ANS-C
All of the subsequent are statements concerning in-vitro bioeffects are proper EXCEPT:
a) in vitro bioeffect conclusions are clinically relevant
b) in vitro bioeffects are always actual
c) in vitro bioeffects are very important
d) in vitro bioeffects may not be relevant to medical settings - ANS-A
All of the following are true EXCEPT:
a) waves with same frequencies ought to interfere constructively.
B) positive interference is related to waves which are in-phase.
C) out-of-segment waves intrude destructively.
D) waves of different frequencies may also show off each optimistic and adverse interference at
exceptional times. - ANS-A
All of the following are authentic of everyday cavitation EXCEPT:
, a) harmful bioeffects are usually discovered
b) it is also called inertial cavitation
c) best a ten% boom in strain is wanted to transform to this from desk cavitation
d) temperatures in the heaps of stages are created
e) it's far constant with shock waves - ANS-A
All of the following will improve temporal decision EXCEPT:
a) multiplied line density
b) single in place of multi consciousness
c) higher frame fee
d) shallower intensity of area
e) slower pace of sound in a medium - ANS-A
An ultrasound device has a virtual scan converter however has an analog enter signal. The
device needs to have a
a) hydbrid multiplexer
b) modem
c) analog to virtual converter
d) virtual monitor - ANS-C
An ultrasound machine is ready to 0db and is transmitting at complete intensity. What is the
output strength while the device is transmitting at 10% of full depth?
A) -three dB
b) -50 dB
c) 40 dB
d) three dB
e) -10 dB - ANS-E
An ultrasound gadget is set to 0db and is transmitting at complete intensity. What is the output
energy whilst the system is transmitting at 50% of full intensity?
A) -3 dB
b) -50 dB
c) 10 dB
d) 3 dB
e) -10 dB - ANS-A
As a result of _____ the propagation velocity increases.
A) growing stiffness and increasing density
b) increasing stiffness and increasing elasticity
c) reducing compressibility and reducing density
d) lowering stiffness and lowering density. - ANS-C
As the impedance of two media grow to be vastly different, the....
A) reflection will increase
b) transmission will increase
c) refraction will increase
d) absorption increases - ANS-A
Assuming a constant frequency, what happens if the diameter of an unfocused circular
transducer is elevated?
A) the gap to the a ways subject is reduced
