SPI Test 2 2024: Comprehensive
Assessment for Ultrasound Professionals
Which of the following is incorrect in reference to sterile technique? - correct answer ✔✔The only
person who must be sterile within the sterile field is the physician performing the proceed
Which of the following is a responsibility of a Sonographer when assisting with an intravascular
ultrasound? - correct answer ✔✔to operate the ultrasound machine controls from outside the sterile
field
All of the following are used as contrast agents in US, except:
agitated iodine bubbles perfluorocarbon based contrast
filled bubbles
agitated saline bubbles - correct answer ✔✔agitated iodine bubbles
In the electronically focused US beam, the intensity is - correct answer ✔✔greatest at the focal point
Which of the following is NOT the proper procedure for disinfection of instruments between patients? -
correct answer ✔✔biopsy needles should be sent out for sterilization after each use.
What can be done to reduce the Mechanical Index level during an exam? - correct answer ✔✔reduce
output power
Ultrasound hybrid imaging has shown to be beneficial for: - correct answer ✔✔liver tumor vascularity
The tissue phantom is scanned from the top. There are 6 pins separated by different millimeter intervals
from each other from the top to bottom in the phantom. If you measure the minimum visible distance
between the pins, what are you testing on your ultrasound system? - correct answer ✔✔Axial resolution
, Which type of phantom is necessary to evaluate temporal resolution? - correct answer ✔✔Fluid filled
doppler phantom
The term "in vivo" refers to: - correct answer ✔✔living human tissue
When working in a hospital setting, what is the best way to verify a patient's identity? - correct answer
✔✔Check the hospital issued ID bracelet
SA=25mW/cm2 sP=75mW/cm TA=40mW/cm2 TP=80mW/cm2 What is the beam uniformity ratio? -
correct answer ✔✔3.0
Elastography is used in breast imaging to determine the relative_______________ of a mass. - correct
answer ✔✔stiffness
How do the microbubbles in an ultrasound contrast agent change the image? - correct answer
✔✔increase the reflectivity of flowing blood
Which of the following correctly describes Real-time Virtual Sonography? - correct answer ✔✔technique
that enables the display of real-time ultrasound B-mode images and CT or MR images
Which of the folowing bloeffects refers to the formation of microbubbles that burst and cause damage to
tissues? - correct answer ✔✔transient cavitation
What effect will a mechanical index of 1.0 have on a contrast exam? - correct answer ✔✔The increased
beam intensity will burst the contrast bubbles quickly
Potential bioeffects of ultrasound dan be minimized by which of the following ? - correct answer
✔✔reduce exam time
Which of the following describes a normal result for uniformity testing of the ultrasound system? -
correct answer ✔✔TGC set to produce an image with equal echo amplitude across the screen and then
when the TGC function is turned off, the echoes in the far field are reduced in amplitude
Assessment for Ultrasound Professionals
Which of the following is incorrect in reference to sterile technique? - correct answer ✔✔The only
person who must be sterile within the sterile field is the physician performing the proceed
Which of the following is a responsibility of a Sonographer when assisting with an intravascular
ultrasound? - correct answer ✔✔to operate the ultrasound machine controls from outside the sterile
field
All of the following are used as contrast agents in US, except:
agitated iodine bubbles perfluorocarbon based contrast
filled bubbles
agitated saline bubbles - correct answer ✔✔agitated iodine bubbles
In the electronically focused US beam, the intensity is - correct answer ✔✔greatest at the focal point
Which of the following is NOT the proper procedure for disinfection of instruments between patients? -
correct answer ✔✔biopsy needles should be sent out for sterilization after each use.
What can be done to reduce the Mechanical Index level during an exam? - correct answer ✔✔reduce
output power
Ultrasound hybrid imaging has shown to be beneficial for: - correct answer ✔✔liver tumor vascularity
The tissue phantom is scanned from the top. There are 6 pins separated by different millimeter intervals
from each other from the top to bottom in the phantom. If you measure the minimum visible distance
between the pins, what are you testing on your ultrasound system? - correct answer ✔✔Axial resolution
, Which type of phantom is necessary to evaluate temporal resolution? - correct answer ✔✔Fluid filled
doppler phantom
The term "in vivo" refers to: - correct answer ✔✔living human tissue
When working in a hospital setting, what is the best way to verify a patient's identity? - correct answer
✔✔Check the hospital issued ID bracelet
SA=25mW/cm2 sP=75mW/cm TA=40mW/cm2 TP=80mW/cm2 What is the beam uniformity ratio? -
correct answer ✔✔3.0
Elastography is used in breast imaging to determine the relative_______________ of a mass. - correct
answer ✔✔stiffness
How do the microbubbles in an ultrasound contrast agent change the image? - correct answer
✔✔increase the reflectivity of flowing blood
Which of the following correctly describes Real-time Virtual Sonography? - correct answer ✔✔technique
that enables the display of real-time ultrasound B-mode images and CT or MR images
Which of the folowing bloeffects refers to the formation of microbubbles that burst and cause damage to
tissues? - correct answer ✔✔transient cavitation
What effect will a mechanical index of 1.0 have on a contrast exam? - correct answer ✔✔The increased
beam intensity will burst the contrast bubbles quickly
Potential bioeffects of ultrasound dan be minimized by which of the following ? - correct answer
✔✔reduce exam time
Which of the following describes a normal result for uniformity testing of the ultrasound system? -
correct answer ✔✔TGC set to produce an image with equal echo amplitude across the screen and then
when the TGC function is turned off, the echoes in the far field are reduced in amplitude
