SPI QUESTIONS practice exam Questions and
Answers (100% Correct Answers) Already
Graded A+
Which of the following anatomical structures exhibits the
lowest level of attenuation?
Rib
Sternocleidomastoid muscle
Bowel
Distended bladder [ Ans: ] Distended bladder
What is the average speed of sound in soft tissue? [ Ans: ]
1540 m/s
In the following diagram, what does the letter (A)
represent? [ Ans: ] Wavelength
Which of the following is NOT identifiable in the image:
Presence of flow
Flow velocity
Peak velocity
Direction of flow [ Ans: ] peak velocity
,Which transducer component is bonded to the back of the
transducer's active element? [ Ans: ] damping material
Which type of ultrasound transducer creates this
displayed image shape? [ Ans: ] Curvilinear
If the depth of a reflector is 5 centimeters in soft tissue,
what is the time of flight?
130 milliseconds
65 microseconds
13 microseconds
65 milliseconds [ Ans: ] 65 microseconds
What image artifact is present in this image, identified by
the red arrow? [ Ans: ] Posterior enhancement
Which function of the receiver has the capability to
produce an image that is uniformly bright from top to
bottom?* [ Ans: ] compensation
The knobology function, which is circled in red, is the
_______ and its purpose it to ________.*
a) Focus, improve axial resolution
b) Caliper, let the sonographer know an organ's
dimensions
,c) Focus, improve lateral resolution
d) Depth marker, let the sonographer know the depth of
penetration [ Ans: ] Focus, improve lateral resolution
A sonographer is performing a renal artery Doppler
examination and implements spectral Doppler for
measurement of the renal artery's peak systolic velocity.
With regard to bioeffects, how does this affect the thermal
index? [ Ans: ] Thermal index increases.
The knobology function circled in this image compensates
for which of the following? [ Ans: ] Attenuation
A sonographer is assisting with a core needle biopsy.
During a biopsy pass, reflections are created at increasing
depths, deep to the core biopsy needle. These reflections
refer to an artifact called: [ Ans: ] Reverberation
Sound is redirected in a single, uniform direction when it
encounters which type of reflector? [ Ans: ] Specular
A sonographer performing an abdominal ultrasound
narrows the sector width. Which of the following is
affected? [ Ans: ] Temporal resolution increases
Sonographers should be aware of work-related
musculoskeletal disorders. Best practice while scanning is
to avoid abducting the arm more than how many degrees?
[ Ans: ] 30
, Which action demonstrates best practice during
ultrasound exams regarding the ALARA principle?
A. The exposure time should be extended during the
exam.
b. Use the lowest possible output power that provides a
diagnostic image.
c. Use the lowest possible gain.
d. Ensure that the time gain compensation (TGC) is within
acceptable limits. [ Ans: ] b. Use the lowest possible
output power that provides a diagnostic image.
Which type of cavitation is the MOST concerning cause of
bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal [ Ans: ] a.Transient
Assuming an unfocused ultrasound beam, the American
Institute of Ultrasound in Medicine's "Statement on
Mammalian Biological Effects of Ultrasound In Vivo" has
confirmed that no bioeffects have been noted when the
spatial pulse temporal average (SPTA) intensity is less
than? [ Ans: ] 100 mW/cm²
Answers (100% Correct Answers) Already
Graded A+
Which of the following anatomical structures exhibits the
lowest level of attenuation?
Rib
Sternocleidomastoid muscle
Bowel
Distended bladder [ Ans: ] Distended bladder
What is the average speed of sound in soft tissue? [ Ans: ]
1540 m/s
In the following diagram, what does the letter (A)
represent? [ Ans: ] Wavelength
Which of the following is NOT identifiable in the image:
Presence of flow
Flow velocity
Peak velocity
Direction of flow [ Ans: ] peak velocity
,Which transducer component is bonded to the back of the
transducer's active element? [ Ans: ] damping material
Which type of ultrasound transducer creates this
displayed image shape? [ Ans: ] Curvilinear
If the depth of a reflector is 5 centimeters in soft tissue,
what is the time of flight?
130 milliseconds
65 microseconds
13 microseconds
65 milliseconds [ Ans: ] 65 microseconds
What image artifact is present in this image, identified by
the red arrow? [ Ans: ] Posterior enhancement
Which function of the receiver has the capability to
produce an image that is uniformly bright from top to
bottom?* [ Ans: ] compensation
The knobology function, which is circled in red, is the
_______ and its purpose it to ________.*
a) Focus, improve axial resolution
b) Caliper, let the sonographer know an organ's
dimensions
,c) Focus, improve lateral resolution
d) Depth marker, let the sonographer know the depth of
penetration [ Ans: ] Focus, improve lateral resolution
A sonographer is performing a renal artery Doppler
examination and implements spectral Doppler for
measurement of the renal artery's peak systolic velocity.
With regard to bioeffects, how does this affect the thermal
index? [ Ans: ] Thermal index increases.
The knobology function circled in this image compensates
for which of the following? [ Ans: ] Attenuation
A sonographer is assisting with a core needle biopsy.
During a biopsy pass, reflections are created at increasing
depths, deep to the core biopsy needle. These reflections
refer to an artifact called: [ Ans: ] Reverberation
Sound is redirected in a single, uniform direction when it
encounters which type of reflector? [ Ans: ] Specular
A sonographer performing an abdominal ultrasound
narrows the sector width. Which of the following is
affected? [ Ans: ] Temporal resolution increases
Sonographers should be aware of work-related
musculoskeletal disorders. Best practice while scanning is
to avoid abducting the arm more than how many degrees?
[ Ans: ] 30
, Which action demonstrates best practice during
ultrasound exams regarding the ALARA principle?
A. The exposure time should be extended during the
exam.
b. Use the lowest possible output power that provides a
diagnostic image.
c. Use the lowest possible gain.
d. Ensure that the time gain compensation (TGC) is within
acceptable limits. [ Ans: ] b. Use the lowest possible
output power that provides a diagnostic image.
Which type of cavitation is the MOST concerning cause of
bioeffects?
a. Transient
b. Absorption
c. Stable
d. Thermal [ Ans: ] a.Transient
Assuming an unfocused ultrasound beam, the American
Institute of Ultrasound in Medicine's "Statement on
Mammalian Biological Effects of Ultrasound In Vivo" has
confirmed that no bioeffects have been noted when the
spatial pulse temporal average (SPTA) intensity is less
than? [ Ans: ] 100 mW/cm²
